0001628280-26-037521 | 10-K | XBRL Viewer | Booz Allen Hamilton Holding Corp

Repurchase of restricted stock

^[1]

$ 591

$ 804

$ 418

$ 30

$ 40

$ 45

Class A Common Stock

5.6

3.2

Beginning of period (in shares) at Mar. 31, 2023

$ 561

$ 764

$ 373

[1]

During fiscal 2026, 2025, and 2024, the Company purchased 5.6 million, 5.6 million and 3.2 million shares, respectively, of the Company’s Class A Common Stock for $561 million, $764 million, and $373 million, respectively. Additionally, during fiscal 2026, 2025, and 2024, the Company repurchased shares for $30 million, $40 million and $45 million, respectively, to cover the minimum statutory taxes on repurchases and restricted stock units that vested on various dates during those years.

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)
$ in Millions

Total

Class A Common Stock

Common Stock

Class A Common Stock

Treasury Stock

Additional Paid-In Capital

Retained Earnings

Accumulated Other Comprehensive Income (Loss)

165,872,332

Beginning of period at Mar. 31, 2023

$ 992

$ 2

$ (1,860)

$ 769

$ 2,051

$ 30

Treasury stock (in shares) at Mar. 31, 2023

(34,234,744)

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Issuance of common stock (in shares)

1,194,324

Issuance of common stock

Stock options exercised (in shares)

335,612

Stock options exercised

(3,200,000)

(3,524,401)

^[1]

Other comprehensive income, net of tax

(418)

^[1]

$ (373)

$ (418)

^[1]

Net income

606

(20)

Dividends paid

(253)

Stock-based compensation expense

End of period (in shares) at Mar. 31, 2024

167,402,268

End of period at Mar. 31, 2024

1,047

$ 2

$ (2,278)

909

2,404

Treasury stock (in shares) at Mar. 31, 2024

(37,759,145)

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Issuance of common stock (in shares)

1,022,351

Issuance of common stock

Stock options exercised (in shares)

97,925

Stock options exercised

(5,600,000)

(5,884,395)

^[1]

Other comprehensive income, net of tax

(804)

^[1]

$ (764)

$ (804)

^[1]

Net income

935

(39)

Dividends paid

(269)

Stock-based compensation expense

$ 94

End of period (in shares) at Mar. 31, 2025

124,879,004

168,522,544

End of period at Mar. 31, 2025

$ 1,003

$ 2

$ (3,082)

1,042

3,070

(29)

Treasury stock (in shares) at Mar. 31, 2025

(43,643,540)

Increase (Decrease) in Stockholders' Equity [Roll Forward]

Issuance of common stock (in shares)

1,123,700

Issuance of common stock

$ 34

Stock options exercised (in shares)

158,957

Stock options exercised

(5,600,000)

(5,820,341)

^[1]

Other comprehensive income, net of tax

(591)

^[1]

$ (561)

$ (591)

^[1]

Net income

851

Dividends paid

(277)

Stock-based compensation expense

$ 69

End of period (in shares) at Mar. 31, 2026

120,341,320

169,805,201

End of period at Mar. 31, 2026

$ 1,105

$ 2

$ (3,673)

$ 1,155

$ 3,644

$ (23)

Treasury stock (in shares) at Mar. 31, 2026

(49,463,881)

[1]

Employee Benefit Plans - Schedule of Change in Benefit Obligation (Details) - Other Postretirement Benefits Plan - Officer Medical Plan - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of the year	$ 174	$ 127	$ 106
Service cost	7	6	5
Interest cost	10	6	5
Net actuarial (gain) loss	(3)	41	17
Benefits paid	(6)	(6)	(6)
Gain due to curtailment	(2)	0	0
Benefit obligation, end of the year	$ 180	$ 174	$ 127

Accounts Payable and Other Accrued Expenses (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Payables and Accruals [Abstract]
Vendor payables	$ 594	$ 693
Provision for claimed costs	248	245
Accrued interest	32	16
Accrued expenses	35	33
Total accounts payable and other accrued expenses	$ 909	$ 987

Debt - Schedule of Interest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Debt Instrument [Line Items]
Amortization of Debt Issuance Cost (DIC) and Original Issue Discount (OID)	$ 5	$ 6	$ 5
Interest Rate Swaps	(1)	(10)	(15)
Other	0	1	1
Interest expense on debt	212	186	173
Line of Credit \| Credit Agreement \| Term Loan A-1
Debt Instrument [Line Items]
Interest expense, debt, excluding amortization	83	100	108
Line of Credit \| Credit Agreement \| Term Loan A-2
Debt Instrument [Line Items]
Interest expense, debt, excluding amortization	0	0	0
Line of Credit \| Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Interest expense, debt, excluding amortization	0	1	1
Senior Notes
Debt Instrument [Line Items]
Interest expense, debt, excluding amortization	$ 125	$ 88	$ 73

Stock-based Compensation - Schedule of Stock-Based Compensation Expense Recognized in the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 69	$ 94	$ 95
Tax benefits recognized from stock-based compensation	12	22	31
Cost of revenue
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	27	35	44
General and administrative expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 42	$ 59	$ 51

Income Taxes - Schedule of Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Amount
Income tax expense computed at U.S. Federal statutory rate	$ 181	$ 256	$ 179
State and local income taxes, net of federal income tax effect	31	55	85
Foreign income taxes, net of federal tax		0	(8)
Foreign Derived Intangible Income (FDII)	(29)	(13)	(14)
Other	(3)
Research and development and other federal credits	(103)	(40)	(31)
Non-deductible expenses, including non-deductible penalties	10	7	5
Excess tax benefits from stock-based compensation		(6)	(10)
Executive compensation - 162(m)		7	6
Changes in uncertain tax positions (including indirect effects)	(80)	27	38
Other adjustments	4	(9)	(2)
Total income tax expense	$ 11	$ 284	$ 248
Rate
Income tax expense computed at U.S. Federal statutory rate	21.00%
State and local income taxes, net of federal income tax effect	3.60%
Foreign Derived Intangible Income (FDII)	(3.40%)
Other	(0.30%)
Research and development and other federal credits	(12.00%)
Nontaxable and non-deductible items	1.20%
Changes in uncertain tax positions	(9.30%)
Other adjustments	0.50%
Income tax expense at the effective income tax rate	1.30%

Business Overview (Details)	12 Months Ended
Business Overview (Details)	Mar. 31, 2026 employee segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of employees \| employee	31,500
Number of operating segments	1
Number of reportable segments	1

Acquisitions and Divestitures	12 Months Ended
Acquisitions and Divestitures	Mar. 31, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures Acquisitions PAR Government Systems Corporation On June 7, 2024, the Company completed the acquisition of PAR Government Systems Corporation (“PGSC”), previously a wholly owned subsidiary of PAR Technology Corporation, for approximately $99 million, net of post-closing adjustments and incurred transaction costs as part of the acquisition. PGSC was founded in 1985 and headquartered in Rome, New York, and delivers differentiated services and solutions in strategic mission areas, including the provision of real-time communications and mobile situational awareness to maintain battlespace dominance for a range of government customers. The acquisition was funded with cash on hand. As a result of the transaction, PGSC became a wholly owned subsidiary of Booz Allen Hamilton Inc. The acquisition was accounted for under the acquisition method of accounting. The Company completed the determination of fair values of the acquired assets and liabilities assumed during the fourth quarter of fiscal 2025. The goodwill recognized of $61 million is primarily attributable to PGSC’s specialized workforce and the expected synergies between the Company and PGSC, and is deductible for tax purposes. The intangible assets recognized of $27 million consist primarily of contract assets and are being amortized over the estimated useful life of twelve years. Divestitures Sale of Contracts On November 30, 2025, the Company completed a transaction for the sale of a group of contracts, as well as the assets and liabilities associated with those contracts and the workforce that provides services under those contracts. As a result of this transaction, during fiscal 2026 the Company recognized a pre-tax net gain of $6 million, inclusive of working capital adjustments, which is reflected in other income (expense) on the consolidated statements of operations. The consideration for the sale is subject to customary working capital adjustments and contingent consideration, which may impact the amount of the gain ultimately recognized.

Stock-based Compensation

12 Months Ended

Mar. 31, 2026

Share-Based Payment Arrangement [Abstract]

Stock-based Compensation

The following table summarizes stock-based compensation expense recognized in the consolidated statements of operations:


	Fiscal Year Ended March 31,
	2026		2025		2024
Cost of revenue	$	27	$	35	$	44
General and administrative expenses	42		59		51
Total (1)	$	69	$	94	$	95

(1) Tax benefits recognized from stock-based compensation were $12 million, $22 million, and $31 million for fiscal 2026, 2025, and 2024, respectively.

Our stock-based compensation expense, primarily related to stock options, time-based and performance-based restricted stock awards, is measured at the grant date fair value and recognized ratably over the vesting period. The Company uses the Black-Scholes option-pricing model to determine the estimated fair value for stock option awards. The fair value of the Company’s restricted stock awards are generally based on the closing price of its common stock on the New York Stock Exchange on the date of grant. The fair value of performance-based awards that also have market conditions is measured using a Monte Carlo model. Compensation expense for performance-based awards is estimated at each reporting date using management's expectation of the probable achievement of the specified performance criteria of each tranche during the respective performance periods.

As of March 31, 2026 and 2025, there was $47 million and $68 million, respectively, of total unrecognized compensation cost related to unvested stock-based compensation agreements. The unrecognized compensation cost as of March 31, 2026 is expected to be fully amortized over the next five years. As of March 31, 2026 and 2025, absent the effect of forfeiture or acceleration of stock compensation cost for departures of employees, the weighted average period over which the cost is expected to be amortized (excluding any future awards) is 2.0 years and 1.7 years, respectively.

Equity Incentive Plan

Awards under the Company's Equity Incentive Plan (the “EIP”) may be made in the form of stock options; stock purchase rights; restricted stock; restricted stock units; performance shares; performance units; stock appreciation rights; deferred share units; dividend equivalents; and other stock-based awards. As of March 31, 2026 and 2025, there were 4.3 million and 5.1 million shares, respectively, available for future grants under the EIP.

Stock Options

Stock options under the EIP are granted at the discretion of the Board of Directors or its Compensation, Culture and People Committee and expire ten years from the grant date. Stock options generally vest in equal installments over a five-year period subject to the grantee’s continued service on each applicable vesting date. All options under the EIP are exercisable, upon vesting, for shares of Class A Common Stock of the Company.

As of both March 31, 2026 and 2025, 0.1 million options were unvested under the EIP, with a weighted average grant date fair value of $24.37 and $20.60, respectively. There were 0.5 million and 0.7 million EIP options outstanding as of March 31, 2026 and 2025, with a weighted average exercise price of $73.63 and $69.88, respectively.

Annual Incentive Plans

On October 1, 2010, the Board of Directors adopted an Annual Incentive Plan, or AIP, in connection with the initial public offering to more appropriately align the Company’s compensation programs with those of similarly situated companies. The amount of the annual incentive payment is determined based on performance targets established by the Board and a portion of the bonus may be paid in the form of equity (including stock and other awards under the EIP).

The Company maintains annual incentive programs for officers and key employees. The equity compensation would be issued in the form of restricted stock units of which a portion would vest based on the passage of time, and the other portion would vest based on specified performance conditions to be achieved over a specified time period. A restricted stock unit represents a contingent right to receive one share of Class A Common Stock upon vesting. Service-based restricted stock units vest in equal installments over a three-year period subject to the grantee's continued service on each applicable vesting date and are settled for shares of Class A Common Stock. Dividend equivalents are paid in respect of the service-based restricted stock units when dividends are paid on the Company's Class A Common Stock. The related expense is recognized in the accompanying consolidated statements of operations based on the grant date fair value over the vesting period.

Performance-based awards vest at the end of a three-year period, subject to certain specified financial performance criteria, the grantee's continued service through the period, and certification of final performance by the Compensation, Culture and People Committee of the Board of Directors. Certain performance-based awards included additional market conditions related to the Company’s total stockholder return relative to its peer group over the three-year performance period. The Company recognizes compensation expense for these performance-based awards with market conditions based on the grant-date fair value calculated using a Monte Carlo model. These awards are settled for Class A Common Stock and dividend equivalents. Compensation expense for performance-based awards during the performance period is estimated at each reporting date using management's expectation of the probable achievement of the specified performance criteria.

The Company also issues equity awards under other programs in the form of restricted stock units that would vest immediately after issuance or over an applicable vesting period subject to the employee's continued service for the Company. The associated expenses are recognized in the accompanying consolidated statements of operations based on the grant date fair value.

Grants of Class A Restricted Common Stock and Restricted Stock Units

During fiscal 2026, the Board of Directors granted an aggregate of 0.9 million Restricted Stock Units with service-based and performance-based vesting conditions to officers, vice presidents, and other employees and non-employees of the Company. The awards will vest based on the applicable vesting period for the specific award subject to the employees' continued employment with the Company. The Board also granted Class A Restricted Common Stock to members of the Board during fiscal 2026. These awards generally vest over one year.

The aggregate fair value of all awards issued during fiscal 2026 was $90 million and will be recognized in the accompanying consolidated statements of operations over the applicable vesting period of the awards. As permitted under the terms of the EIP, the Compensation, Culture and People Committee, as Administrator of the Plan, authorized the withholding of taxes not in excess of such amount as may be necessary to avoid liability award accounting, through the surrender of shares of Class A Common Stock issuable upon the vesting or accelerated vesting of Restricted Stock. As a result of these transactions, the Company repurchased 0.3 million shares and recorded them as treasury shares at a total cost of $25.5 million in fiscal 2026.

The following table summarizes unvested restricted stock activity for the periods presented:


	Number of Shares	Weighted Average Grant Date Fair Value
Unvested Restricted Stock Awards
Unvested at March 31, 2025	1,003,794	$	120.89
Granted	860,646	104.11
Vested	735,591	106.04
Forfeited	168,292	121.39
Unvested at March 31, 2026 (1)	960,557	$	117.14

(1) Unvested restricted stock includes 0.2 million shares of performance-based awards that completed the three-year performance period but remained unsettled at March 31, 2026, subject to the certification of final performance by the Compensation, Culture and People Committee of the Board of Directors.

The weighted average grant date fair value of restricted stock awards granted during fiscal 2026, 2025, and 2024 was $104.11, $151.85, and $98.94, respectively. The total grant date fair value of restricted stock shares vested during fiscal 2026, 2025, and 2024 was $78 million, $81 million, and $86 million, respectively.

Employee Stock Purchase Plan

The Company offers a tax qualified Employee Stock Purchase Plan (the “ESPP”) which is designed to enable eligible employees to periodically purchase shares of the Class A Common Stock at a five percent discount from the fair market value of the Class A Common Stock. The ESPP provides for quarterly offering periods. For the year ended March 31, 2026, 0.4 million shares of Class A Common Stock were purchased by employees under the ESPP. Since the program's inception, 4.4 million shares of the total 10.0 million shares available have been purchased by employees.

Subsequent Events	12 Months Ended
Subsequent Events	Mar. 31, 2026
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Acquisition of Defy Security On April 6, 2026, the Company acquired Defy Security as a wholly-owned subsidiary for $235 million subject to customary adjustments including net working capital. Defy Security will enable the Company to deliver end-to-end, tech-enabled cybersecurity solutions and products for U.S. and foreign customers.

Employee Benefit Plans (Tables)

12 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Schedule of Assumed Health Care Cost Trend Rates

Assumed healthcare cost trend rates for the Officer Medical Plan at March 31 were as follows:


Pre-65 initial rate	2026		2025
Healthcare cost trend rate assumed for next year	8.10	%	8.25	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50	%	4.50	%
Year that the rate reaches the ultimate trend rate	2036		2034


Post-65 initial rate	2026		2025
Healthcare cost trend rate assumed for next year	9.20	%	8.95	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50	%	4.50	%
Year that the rate reaches the ultimate trend rate	2036		2034

Schedule of Change in Benefit Obligation

The changes in the benefit obligation of the unfunded Officer Medical Plan were as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Benefit obligation, beginning of the year (1)	$	174	$	127	$	106
Service cost	7		6		5
Interest cost	10		6		5
Net actuarial (gain) loss	(3)		41		17
Benefits paid	(6)		(6)		(6)
Gain due to curtailment	(2)		—		—
Benefit obligation, end of the year (1)	$	180	$	174	$	127

(1) The short term and long term portion of the Officer Medical Plan’s benefit obligation is included in accrued compensation and other long-term liabilities, respectively, in the accompanying consolidated balance sheets.

Schedule of Expected Future Benefit Payments

The expected future medical benefit payments and related contributions are as follows:


For the Fiscal Year Ending March 31,
2027	$	8
2028	8
2029	9
2030	10
2031	11
2032 - 2036	64
Total	$	110

Earnings Per Share (Tables)

12 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Schedule of Reconciliation of the Income Used to Compute Basic and Diluted EPS

A reconciliation of the income used to compute basic and diluted EPS for the periods presented are as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Numerator: (1)
Earnings for basic computations	$	845	$	930	$	601
Earnings for diluted computations	$	845	$	930	$	601
Denominator:
Weighted-average common stock shares outstanding, basic	122,071,669		127,763,166		130,366,501
Dilutive stock options and restricted stock	303,482		527,251		449,402
Weighted-average common stock shares outstanding, diluted (2)	122,375,151		128,290,417		130,815,903
Earnings per share of common share:
Basic	$	6.92	$	7.28	$	4.61
Diluted (2)	$	6.90	$	7.25	$	4.59

(1) The difference between earnings for basic and diluted computations and net income presented on the consolidated statements of operations is due to undistributed earnings and dividends allocated to the participating securities. During fiscal 2026, 2025, and 2024, respectively, approximately 0.9 million, 0.7 million, and 1.1 million shares of participating securities were paid dividends totaling $2 million, $1 million, and $2 million, respectively. There were undistributed earnings of $4 million in both fiscal 2026 and 2025, and $3 million in fiscal 2024, allocated to the participating class of securities in both basic and diluted earnings per share of common stock.

(2) The impact of anti-dilutive options excluded from the calculation of diluted EPS was not material during the periods presented.

Debt (Tables)

12 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Debt consisted of the following on the dates below:


		March 31, 2026				March 31, 2025
	Maturity	Interest Rate		Outstanding Balance		Interest Rate		Outstanding Balance
Term Loan A-1	9/7/2027	5.018	%	$	714	5.675	%	$	1,526
Term Loan A-2	2/27/2031	4.923	%	750		—	%	—

Senior Notes due 2028	9/1/2028	3.875	%	700		3.875	%	700
Senior Notes due 2029	7/1/2029	4.000	%	500		4.000	%	500
Senior Notes due 2033	8/4/2033	5.950	%	650		5.950	%	650
Senior Notes due 2035	4/15/2035	5.950	%	650		5.950	%	650
Less: Unamortized debt issuance costs and discount on debt				(24)				(28)
Total				3,940				3,998
Less: Current portion of long-term debt				(19)				(83)
Long-term debt, net of current portion				$	3,921			$	3,915

The following table summarizes additional material terms of the senior notes issued by Booz Allen Hamilton as of March 31, 2026:

Indenture Date

Principal

(in millions)

Interest Payable

Issuance Costs

(in millions)

Senior Notes due 2028

8/24/2020

$700

March and September 1

Senior Notes due 2029

6/17/2021

$500

July and January 1

Senior Notes due 2033

8/4/2023

$650

February and August 4

$12

Senior Notes due 2035

3/14/2025

$650

April and October 15

Total Senior Notes

$2,500

Schedule of Debt Instrument Redemption

The Senior Notes are generally subject to redemption, in whole or in part, at Booz Allen Hamilton’s option, in whole or in part, at any time and from time to time, at the redemption prices specified in their respective indenture and outlined below:

Optional Redemption Date

Redemption Price

Senior Notes due 2028

present - 8/31/2025

100.969% of the principal amount being redeemed*

9/1/2025 - maturity

100% of the principal amount being redeemed*

Senior Notes due 2029

present - 6/30/2025

102% of the principal amount being redeemed*

7/1/2025 - 6/30/2026

101% of the principal amount being redeemed*

7/1/2026 - maturity

100% of the principal amount being redeemed*

Senior Notes due 2033

present - 5/3/2033

The greater of 1) the present value of the remaining payments plus 100% of the principal being redeemed, less accrued interest and 2) 100% of the principal amount being redeemed*

5/4/2033 - maturity

100% of the principal amount being redeemed*

Senior Notes due 2035

present - 1/14/2035

The greater of 1) the present value of the remaining payments plus 100% of the principal being redeemed, less accrued interest and 2) 100% of the principal amount being redeemed*

1/15/2035 - maturity

100% of the principal amount being redeemed *

*plus any unpaid interest

Schedule of Future Debt Principal Repayments

The following table summarizes required future debt repayments:


	Payments Due By March 31,
	Total		2027		2028		2029		2030		2031		Thereafter
Term Loan A-1	$	714	$	—	$	714	$	—	$	—	$	—	$	—
Term Loan A-2	750		19		18		37		38		638		—
Senior Notes due 2028	700		—		—		700		—		—		—
Senior Notes due 2029	500		—		—		—		500		—		—
Senior Notes due 2033	650		—		—		—		—		—		650
Senior Notes due 2035	650		—		—		—		—		—		650
Interest on indebtedness	1,017		198		176		146		120		106		271
Total	$	4,981	$	217	$	908	$	883	$	658	$	744	$	1,571

Schedule of Interest Expense

Interest expense consisted of the following:


	Fiscal Year Ended March 31,
	2026		2025		2024
Term Loan A-1	$	83	$	100	$	108
Term Loan A-2	—		—		—
Revolving Credit Facility	—		1		1
Senior Notes	125		88		73
Amortization of Debt Issuance Cost (DIC) and Original Issue Discount (OID) (1)	5		6		5
Interest Rate Swaps	(1)		(10)		(15)
Other	—		1		1
Total Interest Expense	$	212	$	186	$	173

(1) DIC and OID on the Term Loans and Senior Notes are recorded as a reduction of long-term debt in the consolidated balance sheet and are amortized ratably over the life of the related debt using the effective rate method. DIC on the Company's Revolving Credit Facility is recorded as a long-term asset on the consolidated balance sheet and amortized ratably over the term of the Revolving Credit Facility.

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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Property, Plant and Equipment [Abstract]

Property and Equipment, Net (Tables)

12 Months Ended

Mar. 31, 2026

Schedule of Components of Property and Equipment, Net

The components of property and equipment, net were as follows:


	March 31,
	2026		2025
Furniture and equipment	$	124	$	113
Computer equipment	102		109
Leasehold improvements	263		236
Total	489		458
Less: Accumulated depreciation and amortization	(318)		(281)
Property and equipment, net	$	171	$	177

Goodwill and Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2026

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets consisted of the following:


	March 31, 2026						March 31, 2025
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Amortizable intangible assets:
Customer contracts and related customer relationships	$	619	$	365	$	254	$	619	$	305	$	314
Software	202		137		65		168		109		59
Total amortizable intangible assets	$	821	$	502	$	319	$	787	$	414	$	373
Unamortizable intangible assets:
Trade name	$	190	$	—	$	190	$	190	$	—	$	190
Total	$	1,011	$	502	$	509	$	977	$	414	$	563

Schedule of Expected Amortization Expense for Intangible Assets

The following table summarizes the estimated annual amortization expense for future periods:


For the Fiscal Year Ended March 31,
2027	$	81
2028	65
2029	53
2030	42
2031	35
Thereafter	43
Total estimated amortization expense	$	319

Income Taxes - Schedule of Cash Paid for Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Effective Income Tax Rate Reconciliation [Line Items]
U.S. Federal	$ 0
Foreign	5
Total income taxes paid, net of refunds received	103	$ 379	$ 336
DISTRICT OF COLUMBIA
Effective Income Tax Rate Reconciliation [Line Items]
State and local:	24
MARYLAND
Effective Income Tax Rate Reconciliation [Line Items]
State and local:	17
VIRGINIA
Effective Income Tax Rate Reconciliation [Line Items]
State and local:	37
All other states
Effective Income Tax Rate Reconciliation [Line Items]
State and local:	$ 20

Business Overview	12 Months Ended
Business Overview	Mar. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Business Overview	Business Overview Our Business Booz Allen Hamilton Holding Corporation, including its wholly owned subsidiaries, or the Company, we, us, and our, was incorporated in Delaware in May 2008. We are an advanced technology company, building products and solutions for government and business. The Company is a leader at the forefront of the nation’s technology ecosystem, and invests in emerging technologies, talent, and new business models, including partnerships with leading technology companies, venture investments, and the development of military grade products. The Company is headquartered in McLean, Virginia, with approximately 31,500 employees as of March 31, 2026, and reports operating results and financial data in one reportable segment.

Cybersecurity Risk Management and Strategy Disclosure	12 Months Ended
Cybersecurity Risk Management and Strategy Disclosure	Mar. 31, 2026
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]	Cybersecurity oversight is embedded in our ERM Steering Committee, chaired by the President and Chief Operating Officer and including senior executives such as the Chief Information Security Officer (“CISO”) and Chief Information Officer (“CIO”). This committee: •Provides oversight of cybersecurity risk within the broader ERM framework and reviews management’s approach to cybersecurity risk identification, assessment, and response; •Reviews management’s alignment of cybersecurity risk management priorities and strategies with business objectives; and •Receives updates from management regarding cybersecurity assessments, exercises, mitigation activities, and significant cybersecurity risks. See “Item 1C. Cybersecurity—Governance—Management’s Responsibilities” below for additional information regarding our cybersecurity risk management program.
Cybersecurity Risk Management Processes Integrated [Flag]	true
Cybersecurity Risk Management Processes Integrated [Text Block]	As one of the world’s largest cybersecurity solution providers, we routinely defend against advanced persistent threats both internally and for our customers. Our cybersecurity risk management program is an integral part of our overall Enterprise Risk Management (“ERM”) program, and is designed to assess, identify, manage and mitigate internal and external cybersecurity risks, threats and incidents.
Cybersecurity Risk Management Third Party Engaged [Flag]	true
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]	true
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]	false
Cybersecurity Risk Board of Directors Oversight [Text Block]	Our cybersecurity risk management program is led by our CIO and CISO, who are responsible for our information security strategy, policies, compliance, security architecture and engineering, security operations, and cybersecurity threat detection and response. Our CIO has served as chief technology officer for several large-scale enterprises in the healthcare industry and has more than 30 years of enterprise information technology experience, with deep expertise in aligning technology strategy with business goals, advancing cybersecurity capabilities, and leveraging AI and cloud computing to drive performance and efficiency. Our CISO has over 20 years of information security and program management experience and has served as the CISO for other large-scale enterprises. In addition to our CIO and CISO, we leverage our commercial incident response team and government cyber expertise to harden our cybersecurity infrastructure. As a government contractor, we are required to comply with extensive regulations and standards, including but not limited to, cybersecurity regulations and standards, Cybersecurity Maturity Model Certification (CMMC) requirements, and the requirements of the DFARS. Booz Allen achieved a Final C3PAO (CMMC Third Party Assessment Organization) CMMC Level 2 Certification in October 2025 which is valid for 3 years with a mandated annual attestation of compliance from the CISO. Additionally, our cybersecurity risk management program is guided by the National Institute of Standards and Technology (“NIST”) Cybersecurity Framework. Our policies and implemented controls have been assessed and are subject to assessment by external organizations, including industry partners, the federal government, and third party assessors. We work closely with our subcontractors and suppliers to identify and manage cybersecurity risks and, as appropriate, require them to comply with applicable laws and regulations. These contractual requirements include the requirement that our subcontractors implement certain security controls, and that our subcontractors self-report the status of their implementation of these controls to the U.S. government. To manage cybersecurity risk introduced from our supply chain, depending on the nature of a supplier's work and the sensitivity of our and our customers’ information provided to the supplier, we also require suppliers to complete our security questionnaire and provide evidence of security accreditations, to include as applicable CMMC compliance proof, and we evaluate supplier compliance with security requirements using internal and third-party resources. Our CISO also leads our Cyber Fusion Center (“CFC”), whose function is, pursuant to our Cyber Incident Response Plan, to stay apprised of existing and emerging cybersecurity threats and monitor our information systems to proactively identify, protect against, and mitigate cybersecurity threats. The CFC uses intelligence collected from various sources, fused with intelligence collected from analysis and response actions, to proactively search for and address adversary activity against our information systems. The CFC possesses in-depth knowledge of network, endpoint, perimeter security systems, identity-based vulnerabilities, data protection, threat intelligence, forensics, penetration testing, and threat detection, monitoring, and response, as well as the functioning of specific applications or underlying information systems infrastructure. Additionally, the CFC regularly conducts table top exercises to test and evaluate our incident response processes in routine and emerging areas of cyber risk. The CFC partners with a third party managed systems security provider (“MSSP”) to augment 24x7 cyber incident monitoring. The Cyber Incident Response Team (“CIRT”) is responsible for the incident response process and provides direction and guidance to users of our information systems when responding to cybersecurity incidents. The CIRT also provides intrusion monitoring of networks and information systems, and performs triage and analysis of cyber and data loss events to identify and respond to potential incidents, including potential incidents occurring on third-party systems. The CIRT also includes data loss prevention (“DLP”) capabilities, and proactively monitors and protects sensitive data across the organization, identifying and mitigating risks of data exfiltration, misuse, or unauthorized access. The team leverages DLP tools to detect and respond to anomalies in data usage, transmissions, and storage. The CIRT categorizes anomalous cybersecurity and data loss events into discrete levels in which cybersecurity events are escalated to appropriate levels of management, as well as our Crisis Management Team, Cyber Incident Materiality Committee, Audit Committee, and Board, based on the severity of the incident. While typical cybersecurity management and incident response is provided by internal resources, we have arrangements with certain third parties whom we can engage if additional support or resources are required.
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]	Our cybersecurity risk management program is led by our CIO and CISO, who are responsible for our information security strategy, policies, compliance, security architecture and engineering, security operations, and cybersecurity threat detection and response.
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]	The Board oversees the Company’s risk management processes, including those relevant to cybersecurity risks, and the Audit Committee provides focused governance of cybersecurity, ensuring that cybersecurity threats, vulnerabilities, and incident response measures are continuously assessed and managed.
Cybersecurity Risk Role of Management [Text Block]	The Board oversees the Company’s risk management processes, including those relevant to cybersecurity risks, and the Audit Committee provides focused governance of cybersecurity, ensuring that cybersecurity threats, vulnerabilities, and incident response measures are continuously assessed and managed. The Audit Committee receives regular briefings from the CISO on risks related to internal systems, third-party relationships, and emerging cybersecurity threats. The Audit Committee provides updates to the Board on significant cybersecurity risks and the Company’s mitigation strategies.
Cybersecurity Risk Management Positions or Committees Responsible [Flag]	true
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]	Our CISO also leads our Cyber Fusion Center (“CFC”), whose function is, pursuant to our Cyber Incident Response Plan, to stay apprised of existing and emerging cybersecurity threats and monitor our information systems to proactively identify, protect against, and mitigate cybersecurity threats.
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]	Our CIO has served as chief technology officer for several large-scale enterprises in the healthcare industry and has more than 30 years of enterprise information technology experience, with deep expertise in aligning technology strategy with business goals, advancing cybersecurity capabilities, and leveraging AI and cloud computing to drive performance and efficiency. Our CISO has over 20 years of information security and program management experience and has served as the CISO for other large-scale enterprises. In addition to our CIO and CISO, we leverage our commercial incident response team and government cyber expertise to harden our cybersecurity infrastructure.
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]	The Audit Committee receives regular briefings from the CISO on risks related to internal systems, third-party relationships, and emerging cybersecurity threats. The Audit Committee provides updates to the Board on significant cybersecurity risks and the Company’s mitigation strategies.
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]	true

Leases (Tables)

12 Months Ended

Mar. 31, 2026

Leases [Abstract]

Schedules of Lease Cost

The Company’s total lease cost is recorded primarily within general and administrative expenses on the consolidated statement of operations and consisted of the following:


	Fiscal Year Ended March 31,
	2026		2025		2024
Operating lease cost	$	61	$	64	$	64
Short-term lease cost	1		1		1
Variable lease cost	13		14		13
Total operating lease costs	$	75	$	79	$	78

Supplemental cash flow information related to leases was as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Cash paid for amounts included in the measurement of lease liabilities	$	67	$	71	$	76
Operating lease liabilities arising from obtaining ROU assets (1)	$	21	$	54	$	40

(1) Includes all noncash increases and decreases arising from new or remeasured operating lease arrangements

Other information related to leases was as follows:


	March 31,
	2026		2025
Weighted average remaining lease term (in years)	3.9		4.3
Weighted average discount rate	5	%	5	%

Schedule of Future Minimum Operating Lease Payments

Future minimum operating lease payments for noncancelable operating leases as of March 31, 2026 are as follows:


For the Fiscal Year Ending March 31,	Operating Lease Payments
2027	$	62
2028	53
2029	35
2030	29
2031	24
Thereafter	9
Total future lease payments	212
Less: imputed interest	(30)
Total lease liabilities	$	182

Investments and Fair Value Measurements (Tables)

12 Months Ended

Mar. 31, 2026

Fair Value Disclosures [Abstract]

Schedule of Investments in Other Long Term Assets

Our investments related to unconsolidated entities included in other long term assets of the Company’s consolidated balance sheets at March 31 were:


Investments	2026		2025
Equity method investments	$	184	$	5
Other investments	160		85
Total Investments	$	344	$	90

Schedule of Recurring Fair Value Measurements

The financial instruments measured at fair value on a recurring basis in the accompanying consolidated balance sheets consist of the following:


	March 31, 2026
	Level 1		Level 2		Total
Assets:
Money market funds	$	307	$	—	$	307


Long term deferred compensation plan asset (2)	40		—		40
Total Assets	$	347	$	—	$	347
Liabilities:
Current derivative instruments (1)	—		1		1

Long term deferred compensation plan liability (2)	40		—		40
Total Liabilities	$	40	$	1	$	41


	March 31, 2025
	Level 1		Level 2		Total
Assets:
Money market funds	$	802	$	—	$	802
Current derivative instruments (1)	—		1		1

Long term deferred compensation plan asset (2)	$	35	$	—	$	35
Total Assets	$	837	$	1	$	838
Liabilities:

Current derivative instruments (1)	$	—	$	1	$	1
Long-term derivative instruments (1)	—		2		2
Long term deferred compensation plan liability (2)	35		—		35
Total liabilities	$	35	$	3	$	38

(1) The Company’s interest rate swaps are considered over-the-counter derivatives which are recorded in the consolidated balance sheet on a gross basis at estimated fair value. Fair value is estimated based on the present value of future cash flows using a model-derived valuation that uses Level 2 observable inputs such as interest rate yield curves. See Note 11, “Derivatives,” to the consolidated financial statements for further information on the Company’s derivative instruments designated as cash flow hedges.

(2) Investments in this category consist primarily of mutual funds whose fair values are determined by reference to the quoted market price per unit in active markets multiplied by the number of units held without consideration of transaction costs. These assets are recorded in other long-term assets and represent investments held in a consolidated trust to fund the Company's non-qualified deferred compensation plan, which is recorded in other long-term liabilities on our consolidated balance sheets.

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The carrying amount and estimated fair value of debt consists of the following:


	March 31, 2026				March 31, 2025
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Term Loan A-1	$	714	$	712	$	1,526	$	1,521
Term Loan A-2	750		743		—		—
3.875% Senior Notes due 2028	700		680		700		666
4.000% Senior Notes due 2029	500		484		500		471
5.950% Senior Notes due 2033	650		663		650		651
5.950% Senior Notes due 2035	650		655		650		645
Total Debt	$	3,964	$	3,937	$	4,026	$	3,954

Supplemental Consolidated Financial Information

12 Months Ended

Mar. 31, 2026

Additional Financial Information Disclosure [Abstract]

Supplemental Consolidated Financial Information

Severance and Related Charges

The Company incurs costs related to employee severance and related charges including stock-based compensation, employee benefits, and payroll taxes related to employees terminated pursuant to cost management initiatives. The Company records these costs when it is probable that employees will be entitled to termination benefits and the amounts can be reasonably estimated.

The Company recorded $61 million of severance and related charges in the fiscal year ended March 31, 2026 as a result of cost management initiatives and the restructuring of the Civil business in fiscal 2026, including the Company’s actions to reduce costs as a result of the slowed procurement and funding environment. These expenses are recorded in the consolidated statements of operations as follows:


	Twelve Months Ended
	March 31, 2026
Cost of revenue	$	46
General and administrative expenses	15
Total severance and related charges	$	61

Stock-based Compensation - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 47	$ 68
Performance period	5 years
Excluding Any Future Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period	2 years	1 year 8 months 12 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense related to property and equipment	$ 38	$ 41	$ 41
Reduction to gross cost and accumulated depreciation for zero net book value assets	32	90
Leasehold improvements
Property, Plant and Equipment [Line Items]
Amortization	$ 30	$ 29	$ 30

Debt - Additional Information (Details) - USD ($)			3 Months Ended	12 Months Ended
Debt - Additional Information (Details) - USD ($)	Mar. 31, 2026	Feb. 27, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024	Mar. 30, 2026
Debt Instrument [Line Items]
Proceeds from revolving credit facility				$ 0	$ 200,000,000	$ 500,000,000
Designated as Hedging Instrument \| Interest Rate Swap \| Cash Flow Hedging
Debt Instrument [Line Items]
Notional amount	$ 350,000,000			350,000,000
Credit Agreement \| Term Loan A-2 \| Minimum
Debt Instrument [Line Items]
Commitment fee (as a percent)		0.10%
Credit Agreement \| Term Loan A-2 \| Maximum
Debt Instrument [Line Items]
Commitment fee (as a percent)		0.25%
Credit Agreement \| Line of Credit \| Term Loans
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity		$ 1,464,000,000
Credit Agreement \| Line of Credit \| Term Loan A-1
Debt Instrument [Line Items]
Repayments of lines of credit		$ 750,000,000
Consecutive quarterly installments as percent of stated principal amount		1.25%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| SOFR
Debt Instrument [Line Items]
Variable rate, adjustment		0.10%
Variable rate, floor		0.00%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| SOFR \| Minimum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		1.00%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| SOFR \| Maximum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		2.00%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| Overnight Federal Funds Rate
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		0.50%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| Three-month Term SOFR
Debt Instrument [Line Items]
Variable rate, adjustment		0.10%
Variable rate, floor		0.00%
Long-term debt, basis spread on variable rate		1.00%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| Base Rate \| Minimum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		0.00%
Credit Agreement \| Line of Credit \| Term Loan A-1 \| Base Rate \| Maximum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		1.00%
Credit Agreement \| Line of Credit \| Term Loan A-2
Debt Instrument [Line Items]
Proceeds from revolving credit facility		$ 750,000,000
Credit Agreement \| Line of Credit \| Term Loan A-2 \| First Two Years After Funding
Debt Instrument [Line Items]
Consecutive quarterly installments as percent of stated principal amount		0.625%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| After Two Year But Before Five Year Anniversary
Debt Instrument [Line Items]
Consecutive quarterly installments as percent of stated principal amount		1.25%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| SOFR \| Minimum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		1.00%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| SOFR \| Maximum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		1.63%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| Overnight Federal Funds Rate
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		0.50%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| Three-month Term SOFR
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		1.00%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| Base Rate \| Minimum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		0.00%
Credit Agreement \| Line of Credit \| Term Loan A-2 \| Base Rate \| Maximum
Debt Instrument [Line Items]
Long-term debt, basis spread on variable rate		0.63%
Credit Agreement \| Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity	1,500,000,000			1,500,000,000			$ 1,000,000,000.0
Proceeds from revolving credit facility			$ 200,000,000	0
Increase in maximum borrowing capacity	500,000,000
Revolving credit facility, amount outstanding	0		$ 0	0	$ 0
Credit Agreement \| Line of Credit \| Letter of Credit
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity	$ 200,000,000			$ 200,000,000

Stockholders’ Equity

12 Months Ended

Mar. 31, 2026

Equity [Abstract]

Stockholders’ Equity

Common Stock

Holders of Class A Common Stock are entitled to one vote for each share. Each share of Class A Common is entitled to participate equally in all dividends and other distributions declared on and payable with respect to the Class A Common Stock, subject to the preferences and rights of any preferred stock and the General Corporation Law of the State of Delaware. The Company’s ability to pay dividends to stockholders is limited as a practical matter by restrictions in the agreements governing the Company's indebtedness.

The authorized and unissued shares of Class A Common Stock are available for future issuance upon stock option exercises and vesting of restricted stock units without additional stockholder approval.

Share Repurchase Program

On December 12, 2011, the Board of Directors initially approved a share repurchase program, which was most recently increased by $500 million to $4,085 million on October 22, 2025. A special committee of the Board evaluates market conditions and other relevant factors and initiates repurchases under the program from time to time. The share repurchase program may be suspended, modified or discontinued at any time at the Company’s discretion without prior notice. During fiscal 2026, the Company purchased 5.6 million shares of Class A Common Stock in a series of open market transactions for $561 million. During fiscal 2025, the Company purchased 5.6 million shares of Class A Common Stock in a series of open market transactions for $764 million. As of March 31, 2026, the Company had $684 million remaining under the share repurchase program.

Dividends

The following table summarizes the cash distributions recognized in the consolidated statement of cash flows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Recurring dividends (1)	$	276	$	268	$	254

(1) Amounts represent recurring quarterly dividends that were declared and paid for during each quarter of fiscal 2026, 2025, and 2024.

The entire disclosure for equity.

Investments and Fair Value Measurements - Schedule of Investments in Other Long Term Assets (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Fair Value Disclosures [Abstract]
Equity method investments	$ 184	$ 5
Other investments	160	85
Total Investments	$ 344	$ 90

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

Fair value of investment in security owned.

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Schedule of Accrued Compensation and Benefits

Accrued Compensation and Benefits (Tables)

12 Months Ended

Mar. 31, 2026

Accrued compensation and benefits consisted of the following:


	March 31,
	2026		2025
Accrued payroll	$	289	$	328
Accrued retirement	77		85
Accrued paid time off	222		242
Other	53		47
Total accrued compensation and benefits	$	641	$	702

Accrued Compensation and Benefits (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Compensation Related Costs [Abstract]
Accrued payroll	$ 289	$ 328
Accrued retirement	77	85
Accrued paid time off	222	242
Other	53	47
Total accrued compensation and benefits	$ 641	$ 702

Summary of Significant Accounting Policies - Property, Plant and Equipment (Details)	Mar. 31, 2026
Furniture and equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful life	5 years
Furniture and equipment \| Maximum
Property, Plant and Equipment [Line Items]
Useful life	10 years
Computer equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful life	2 years
Computer equipment \| Maximum
Property, Plant and Equipment [Line Items]
Useful life	4 years

Accounts Payable and Other Accrued Expenses

12 Months Ended

Mar. 31, 2026

Payables and Accruals [Abstract]

Accounts Payable and Other Accrued Expenses

Accounts payable and other accrued expenses consisted of the following:


	March 31,
	2026		2025
Vendor payables	$	594	$	693
Provision for claimed costs	248		245
Accrued interest	32		16
Accrued expenses	35		33
Total accounts payable and other accrued expenses	$	909	$	987

See Note 18, “Commitments and Contingencies,” to the consolidated financial statements for information on the Company’s provision for claimed costs.

Stockholders’ Equity (Tables)

12 Months Ended

Mar. 31, 2026

Equity [Abstract]

Schedule of Dividends Declared

The following table summarizes the cash distributions recognized in the consolidated statement of cash flows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Recurring dividends (1)	$	276	$	268	$	254

(1) Amounts represent recurring quarterly dividends that were declared and paid for during each quarter of fiscal 2026, 2025, and 2024.

Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	$ 821	$ 787
Accumulated Amortization	502	414
Net Carrying Value	319	373
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Intangible assets, gross	1,011	977
Net Carrying Value	509	563
Trade name
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]
Unamortizable intangible assets	190	190
Customer contracts and related customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	619	619
Accumulated Amortization	365	305
Net Carrying Value	254	314
Software
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Value	202	168
Accumulated Amortization	137	109
Net Carrying Value	$ 65	$ 59

Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 11,217	$ 11,980	$ 10,662
Prime Contractor
Disaggregation of Revenue [Line Items]
Revenue	10,513	11,397	10,143
Subcontractor
Disaggregation of Revenue [Line Items]
Revenue	704	583	519
Defense Customers
Disaggregation of Revenue [Line Items]
Revenue	6,069	5,943	5,061
Intelligence Customers
Disaggregation of Revenue [Line Items]
Revenue	1,900	1,867	1,763
National Security Customers
Disaggregation of Revenue [Line Items]
Revenue	7,969	7,810	6,824
Civil and Commercial Customers
Disaggregation of Revenue [Line Items]
Revenue	$ 3,248	$ 4,170	$ 3,838
Revenue from Contract with Customer Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	100.00%	100.00%	100.00%
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	100.00%	100.00%	100.00%
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk \| Defense Customers
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	54.00%	49.00%	47.00%
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk \| Intelligence Customers
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	17.00%	16.00%	17.00%
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk \| National Security Customers
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	71.00%	65.00%	64.00%
Revenue from Contract with Customer Benchmark \| Customer Concentration Risk \| Civil and Commercial Customers
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	29.00%	35.00%	36.00%
Revenue from Contract with Customer Benchmark \| Contractor Concentration Type Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	100.00%	100.00%	100.00%
Revenue from Contract with Customer Benchmark \| Contractor Concentration Type Risk \| Prime Contractor
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	94.00%	95.00%	95.00%
Revenue from Contract with Customer Benchmark \| Contractor Concentration Type Risk \| Subcontractor
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	6.00%	5.00%	5.00%
Cost-reimbursable
Disaggregation of Revenue [Line Items]
Revenue	$ 6,587	$ 6,865	$ 5,874
Cost-reimbursable \| Revenue from Contract with Customer Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	59.00%	57.00%	55.00%
Time-and-materials
Disaggregation of Revenue [Line Items]
Revenue	$ 2,492	$ 2,707	$ 2,530
Time-and-materials \| Revenue from Contract with Customer Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	22.00%	23.00%	24.00%
Fixed-price
Disaggregation of Revenue [Line Items]
Revenue	$ 2,138	$ 2,408	$ 2,258
Fixed-price \| Revenue from Contract with Customer Benchmark \| Product Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	19.00%	20.00%	21.00%

Subsequent Events (Details) $ in Millions	Apr. 06, 2026 USD ($)
Subsequent Event \| Defy Security
Subsequent Event [Line Items]
Consideration transferred	$ 235

Acquisitions and Divestitures (Details) - USD ($) $ in Millions		12 Months Ended
	Jun. 07, 2024	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Business Combination [Line Items]
Goodwill		$ 2,399	$ 61	$ 2,405
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| DARPA SETA
Business Combination [Line Items]
Divestiture, pre-tax gain		$ 6
PAR Government Systems Corporation (PGSC)
Business Combination [Line Items]
Consideration transferred	$ 99
Intangible assets recognized	$ 27
Useful life (in years)	12 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Summary of Significant Accounting Policies - Defined Contribution Plan (Details)	12 Months Ended
	Mar. 31, 2026
Other Pension, Postretirement and Supplemental Plans
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Employer matching contribution, percent of match (as a percent)	6.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Property, Plant and Equipment [Abstract]

Property and Equipment, Net

12 Months Ended

Mar. 31, 2026

Property and Equipment, Net

The components of property and equipment, net were as follows:


	March 31,
	2026		2025
Furniture and equipment	$	124	$	113
Computer equipment	102		109
Leasehold improvements	263		236
Total	489		458
Less: Accumulated depreciation and amortization	(318)		(281)
Property and equipment, net	$	171	$	177

Depreciation expense relating to property and equipment was $38 million for fiscal 2026 and $41 million for both fiscal 2025 and 2024. Amortization expense related to leasehold improvements was $30 million for both fiscal 2026 and 2024, and $29 million for fiscal 2025. During fiscal 2026 and 2025, the Company reduced the gross cost and accumulated depreciation and amortization by $32 million and $90 million, respectively, for zero net book value assets deemed no longer in service.

Stock-based Compensation - Equity Incentive Plan (Details) - USD ($)
$ / shares in Units, $ in Millions

12 Months Ended

Mar. 31, 2026

Mar. 31, 2025

Mar. 31, 2024

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

^[1]

$ 591.0

$ 804.0

$ 418.0

Class A Common Stock

5,600,000

3,200,000

Amended and Restated Equity Incentive Plan

$ 561.0

$ 764.0

$ 373.0

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock options outstanding, unvested (in shares)

100,000

Outstanding, weighted average grant date fair value (in dollars per share)

$ 24.37

$ 20.60

Stock options outstanding (in shares)

500,000

700,000

Outstanding, weighted average exercise price (in dollars per share)

$ 73.63

$ 69.88

300,000

Employee Stock Option | Amended and Restated Equity Incentive Plan

$ 25.5

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Options available for future grant (in shares)

4,300,000

5,100,000

Stock option expiration period

10 years

Restricted Stock | Amended and Restated Equity Incentive Plan

5 years

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted stock granted (in shares)

860,646

Aggregate fair value of all awards issued

$ 78.0

$ 81.0

$ 86.0

Granted (in dollars per share)

$ 104.11

$ 151.85

$ 98.94

Restricted Stock | Amended and Restated Equity Incentive Plan | Director | Class A Common Stock

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock | Annual Incentive Plan | Officer | Class A Common Stock

1 year

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stock issued upon conversion (in shares)

3 years

Restricted Stock | Annual Incentive Plan | Director | Class A Common Stock

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock Units (RSUs) | Amended and Restated Equity Incentive Plan

3 years

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted Stock Units (RSUs) | Amended and Restated Equity Incentive Plan | Class A Common Stock

3 years

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Restricted stock granted (in shares)

900,000

Aggregate fair value of all awards issued

$ 90.0

[1]

Cover - USD ($)	12 Months Ended
Cover - USD ($)	Mar. 31, 2026	May 18, 2026	Sep. 30, 2025
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 31, 2026
Current Fiscal Year End Date	--03-31
Document Transition Report	false
Entity File Number	001-34972
Entity Registrant Name	Booz Allen Hamilton Holding Corporation
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-2634160
Entity Address, Address Line One	8283 Greensboro Drive,
Entity Address, City or Town	McLean,
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	22102
City Area Code	703
Local Phone Number	902-5000
Title of 12(b) Security	Class A Common Stock
Trading Symbol	BAH
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction Flag	false
Entity Shell Company	false
Entity Public Float			$ 11,488,325,864
Entity Common Stock, Shares Outstanding		119,746,130
Documents Incorporated by Reference	Portions of the registrant’s Proxy Statement for its Annual Meeting of Stockholders scheduled for July 22, 2026 are incorporated by reference into Part III.
Entity Central Index Key	0001443646
Amendment Flag	false
Document Fiscal Year Focus	2026
Document Fiscal Period Focus	FY

Supplemental Consolidated Financial Information - Narrative (Details) $ in Millions	12 Months Ended
	Mar. 31, 2026 USD ($)
Additional Financial Information Disclosure [Abstract]
Total severance and related charges	$ 61

Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other income (expense)	$ 13	$ 17	$ (13)
Interest expense, net	$ (184)	$ (168)	(147)
Description of payment terms	Our customers generally pay our invoices within 30 days of the invoice date, although we experience a longer billing and collection cycle with our global commercial customers.
Revision of Prior Period, Reclassification, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other income (expense)			(26)
Interest expense, net			$ 26

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Debt

12 Months Ended

Mar. 31, 2026

Debt Disclosure [Abstract]

Debt

Debt consisted of the following on the dates below:


		March 31, 2026				March 31, 2025
	Maturity	Interest Rate		Outstanding Balance		Interest Rate		Outstanding Balance
Term Loan A-1	9/7/2027	5.018	%	$	714	5.675	%	$	1,526
Term Loan A-2	2/27/2031	4.923	%	750		—	%	—

Senior Notes due 2028	9/1/2028	3.875	%	700		3.875	%	700
Senior Notes due 2029	7/1/2029	4.000	%	500		4.000	%	500
Senior Notes due 2033	8/4/2033	5.950	%	650		5.950	%	650
Senior Notes due 2035	4/15/2035	5.950	%	650		5.950	%	650
Less: Unamortized debt issuance costs and discount on debt				(24)				(28)
Total				3,940				3,998
Less: Current portion of long-term debt				(19)				(83)
Long-term debt, net of current portion				$	3,921			$	3,915

Credit Agreement

Booz Allen Hamilton Inc., a wholly owned subsidiary of Booz Allen Hamilton Holding Corporation, as borrower, and Booz Allen Hamilton Holding Corporation, as guarantor, are parties to a Credit Agreement dated as of July 31, 2012, as amended, which as of March 31, 2026, provides the Company with facility term loans of $1,464 million and a $1,500 million revolving credit facility, with a sub-limit for letters of credit of $200 million.

On February 27, 2026 (the “Eleventh Amendment Effective Date”), the eleventh amendment to the Credit Agreement (the “Eleventh Amendment”), dated as of July 31, 2012 (as amended prior to the Eleventh Amendment Effective Date, the “Existing Credit Agreement” and, as amended by the Eleventh Amendment, the “Credit Agreement”) among Booz Allen Hamilton Inc., as borrower, and Booz Allen Hamilton Holding Corporation as guarantor, with Bank of America, N.A., as administrative agent and the lenders from time to time party thereto, provided for a refinancing and modification of the credit facilities, including the amendments set forth in the sections below.

In addition, pursuant to the Eleventh Amendment, certain other amendments to the Existing Credit Agreement were made, including amendments to certain negative covenants in the Existing Credit Agreement to (amongst other things): (i) increase the size of certain baskets that permit the incurrence of additional indebtedness and related liens and (ii) expand the Company’s ability to make dividends, equity repurchases and other distributions, in each case subject to specified conditions (including compliance with the applicable financial covenant and the absence of a continuing default).

The Credit Agreement contains customary representations and warranties and customary affirmative and negative covenants. In connection with Booz Allen Hamilton obtaining investment grade ratings from both Moody's and S&P, certain activities previously restricted by certain negative covenants are permitted subject to pro forma compliance with the financial covenants and no events of default having occurred or are continuing. In addition, Booz Allen Hamilton is required to meet certain financial covenants at each quarter end, namely the Consolidated Net Total Leverage Ratio. As of March 31, 2026 and March 31, 2025, Booz Allen Hamilton was in compliance with all financial covenants associated with its debt.

Borrowings under the Credit Agreement incur interest at a variable rate. As of March 31, 2026, Booz Allen Hamilton had interest rate swaps with an aggregate notional amount of $350 million. These instruments hedge the variability of cash outflows for interest payments on these variable rate facilities. The Company's objectives in using cash flow hedges are to reduce volatility due to interest rate movements and to add stability to interest expense (see Note 11, “Derivatives,” to the consolidated financial statements for additional information about these interest rate swaps).

Term Loans

Prior to the Eleventh Amendment Effective Date, approximately $1,464 million of tranche A term loans (the “Term Loan A-1”) were outstanding under the Existing Credit Agreement. Pursuant to the Eleventh Amendment, certain lenders made term loans under a new tranche of term loans (the “Term Loan A-2”) with a maturity of February 27, 2031 under which the Company borrowed an aggregate principal amount of $750 million. The proceeds of such borrowings under Term Loan A-2 were used to repay $750 million of the aggregate principal outstanding under the Term Loan A-1.

The terms of the remaining Term Loan A-1 debt remain unchanged and it is still governed under the Tenth Amendment to the Existing Credit Agreement (the “Tenth Amendment”), entered into on July 27, 2023. Pursuant to the Tenth Amendment, the rate at which Term Loan A-1 bears interest is based either on Term SOFR (subject to a 0.10% adjustment and a floor of zero) for the applicable interest period or a base rate (equal to the highest of (i) the administrative agent’s prime corporate rate, (ii) the overnight federal funds rate plus 0.50% and (iii) three-month Term SOFR (subject to a 0.10% adjustment and a floor of zero) plus 1.00%), in each case plus an applicable margin, payable at the end of the applicable interest period and in any event at least quarterly. The applicable margin for Term Loan A-1 ranges from 1.00% to 2.00% for Term SOFR loans and zero to 1.00% for base rate loans, in each case based on the lower of (i) the applicable rate per annum determined pursuant to a consolidated total net leverage ratio grid and (ii) the applicable rate per annum determined pursuant to a ratings grid. Term Loan A-1 amortizes in consecutive quarterly installments in an amount equal to 1.25% of the stated principal amount of Term Loan A-1 and the remaining balance of Term Loan A-1 is payable upon maturity.

Pursuant to the Eleventh Amendment, the rate at which Term Loan A-2 and the Revolving Credit facility bears interest is based either on Term SOFR for the applicable interest period or a base rate (equal to the highest of (i) the administrative agent’s prime corporate rate, (ii) the overnight federal funds rate plus 0.50% and (iii) three-month Term SOFR (subject to a floor of zero) plus 1.00%, in each case plus an applicable margin, payable at the end of the applicable interest period and in any event at least quarterly. The applicable margin for Term Loan A-2 and the Revolving Credit facility ranges from 1.00% to 1.63% for Term SOFR loans and zero to 0.63% for base rate loans, in each case based on the lower of (i) the applicable rate per annum determined pursuant to a consolidated total net leverage ratio grid and (ii) the applicable rate per annum determined pursuant to a ratings grid. Unused New Revolving Commitments are subject to a quarterly fee ranging from 0.10% to 0.25% based on the lower of (i) the applicable fee rate per annum determined pursuant to a consolidated total net leverage ratio grid and (ii) the applicable fee rate per annum determined pursuant to a ratings grid. Term Loan A-2 amortizes in consecutive quarterly installments in an amount equal to 0.625% of the stated principal amount for the first two years after funding, and 1.25% of the stated principal amount thereafter and the remaining balance of the Term Loan A-2 is payable upon maturity.

Revolving Credit Facility

Prior to the Eleventh Amendment Effective Date, the Existing Credit Agreement provided for $1.0 billion of revolving commitments (the “Existing Revolving Commitments”). Pursuant to the Eleventh Amendment, the Existing Revolving Commitments were replaced in full with new revolving commitments and then increased by $500 million, resulting in aggregate revolving commitments under the Credit Agreement (the “Revolving Credit Facility”) of $1.5 billion, treated as a single revolving tranche with a maturity of February 27, 2031. The Revolving Credit Facility is expected to be used for general corporate purposes, including working capital as needed.

While the Company occasionally borrows under the Revolving Credit Facility for our working capital needs, there were no borrowings during the fiscal year ended March 31, 2026. During the fourth quarter of fiscal 2025, the Company borrowed $200 million under the Revolving Credit Facility for our working capital needs, which was subsequently repaid with the proceeds from the bond offering in the same quarter. As of March 31, 2026 and March 31, 2025, respectively, there was no outstanding balance on the Revolving Credit Facility.

Booz Allen Hamilton has also agreed to pay customary letter of credit and agency fees.

Senior Notes

The following table summarizes additional material terms of the senior notes issued by Booz Allen Hamilton as of March 31, 2026:

Indenture Date

Principal

(in millions)

Interest Payable

Issuance Costs

(in millions)

Senior Notes due 2028

8/24/2020

$700

March and September 1

Senior Notes due 2029

6/17/2021

$500

July and January 1

Senior Notes due 2033

8/4/2023

$650

February and August 4

$12

Senior Notes due 2035

3/14/2025

$650

April and October 15

Total Senior Notes

$2,500

The Senior Notes due 2035 and 2033 are fully and unconditionally guaranteed on an unsecured and unsubordinated basis by Booz Allen Hamilton Holding Corporation and rank equally and ratably in right of payment with all of Booz Allen Hamilton’s and Booz Allen Hamilton Holding Corporation’s other unsecured and unsubordinated indebtedness outstanding from time to time, pursuant to the relevant indenture. The Senior Notes due 2029 and 2028 are unsecured and are guaranteed by certain subsidiaries of Booz Allen Hamilton and rank equally in right of payment with all of Booz Allen Hamilton’s and the respective subsidiary guarantors’ existing and future senior indebtedness and rank senior in right of payment to any of Booz Allen Hamilton’s future subordinated indebtedness, pursuant to the relevant indenture. We refer to the Senior Notes due 2028, Senior Notes due 2029, Senior Notes due 2033 and Senior Notes due 2035 together, as the “Senior Notes” herein.

Interest is payable on the Senior Notes semi-annually in cash in arrears, with the principal due at maturity. Issuance Costs were recorded as an offset against the carrying value of respective debt and are being amortized to interest expense over the term of the respective debt.

All the Senior Notes’ indentures contain certain covenants, events of default, and other customary provisions. In connection with the Senior Notes obtaining investment grade ratings from Moody’s and S&P, in January 2023, certain negative covenants in the indentures governing the Senior Notes 2028 and Senior Notes 2029 were suspended.

Optional Redemption Date

Redemption Price

Senior Notes due 2028

present - 8/31/2025

100.969% of the principal amount being redeemed*

9/1/2025 - maturity

100% of the principal amount being redeemed*

Senior Notes due 2029

present - 6/30/2025

102% of the principal amount being redeemed*

7/1/2025 - 6/30/2026

101% of the principal amount being redeemed*

7/1/2026 - maturity

100% of the principal amount being redeemed*

Senior Notes due 2033

present - 5/3/2033

The greater of 1) the present value of the remaining payments plus 100% of the principal being redeemed, less accrued interest and 2) 100% of the principal amount being redeemed*

5/4/2033 - maturity

100% of the principal amount being redeemed*

Senior Notes due 2035

present - 1/14/2035

The greater of 1) the present value of the remaining payments plus 100% of the principal being redeemed, less accrued interest and 2) 100% of the principal amount being redeemed*

1/15/2035 - maturity

100% of the principal amount being redeemed *

*plus any unpaid interest

Scheduled Maturities and Interest Expense

The following table summarizes required future debt repayments:


	Payments Due By March 31,
	Total		2027		2028		2029		2030		2031		Thereafter
Term Loan A-1	$	714	$	—	$	714	$	—	$	—	$	—	$	—
Term Loan A-2	750		19		18		37		38		638		—
Senior Notes due 2028	700		—		—		700		—		—		—
Senior Notes due 2029	500		—		—		—		500		—		—
Senior Notes due 2033	650		—		—		—		—		—		650
Senior Notes due 2035	650		—		—		—		—		—		650
Interest on indebtedness	1,017		198		176		146		120		106		271
Total	$	4,981	$	217	$	908	$	883	$	658	$	744	$	1,571

Interest expense consisted of the following:


	Fiscal Year Ended March 31,
	2026		2025		2024
Term Loan A-1	$	83	$	100	$	108
Term Loan A-2	—		—		—
Revolving Credit Facility	—		1		1
Senior Notes	125		88		73
Amortization of Debt Issuance Cost (DIC) and Original Issue Discount (OID) (1)	5		6		5
Interest Rate Swaps	(1)		(10)		(15)
Other	—		1		1
Total Interest Expense	$	212	$	186	$	173

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Other Pension, Postretirement and Supplemental Plans
Defined Benefit Plan Disclosure [Line Items]
Employees’ capital accumulation plan, total expense recognized	$ 226	$ 249	$ 218
Employees’ capital accumulation plan, company-paid contributions	$ 232	$ 240	$ 213
Other Postretirement Benefits Plan \| Officer Medical Plan
Defined Benefit Plan Disclosure [Line Items]
Weighted-average discount rate for benefit obligation (as a percent)	5.85%	5.55%	5.20%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Summary of Significant Accounting Policies - Intangible Assets and Goodwill (Details) - USD ($)	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Impairment charge on intangibles	$ 0	$ 0	$ 0
Goodwill impairment	0	0	0
Impairment charges	$ 0	$ 0	$ 0
Customer contracts and related customer relationships \| Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	10 years
Customer contracts and related customer relationships \| Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	14 years
Software \| Minimum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	1 year
Software \| Maximum
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life (in years)	10 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

Employee Benefit Plans

12 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Employee Benefit Plans

Defined Contribution Plan

The total expense recognized under the ECAP for fiscal 2026, 2025, and 2024 was $226 million, $249 million, and $218 million, respectively, and the Company-paid contributions were $232 million, $240 million, and $213 million, respectively.

Defined Benefit Plans for Post Retirement Benefits

The weighted-average discount rate used to determine the year-end benefit obligation for the Officer Medical Plan were 5.85%, 5.55% and 5.20% for fiscal 2026, 2025, and 2024, respectively.

Assumed healthcare cost trend rates for the Officer Medical Plan at March 31 were as follows:


Pre-65 initial rate	2026		2025
Healthcare cost trend rate assumed for next year	8.10	%	8.25	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50	%	4.50	%
Year that the rate reaches the ultimate trend rate	2036		2034


Post-65 initial rate	2026		2025
Healthcare cost trend rate assumed for next year	9.20	%	8.95	%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	4.50	%	4.50	%
Year that the rate reaches the ultimate trend rate	2036		2034

The changes in the benefit obligation of the unfunded Officer Medical Plan were as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Benefit obligation, beginning of the year (1)	$	174	$	127	$	106
Service cost	7		6		5
Interest cost	10		6		5
Net actuarial (gain) loss	(3)		41		17
Benefits paid	(6)		(6)		(6)
Gain due to curtailment	(2)		—		—
Benefit obligation, end of the year (1)	$	180	$	174	$	127

The net actuarial gain related to the benefit obligation in fiscal 2026 was primarily driven by an increase in interest rates, partially offset by unfavorable changes in medical trends. The net actuarial loss related to the benefit obligation in fiscal 2025 was primarily due to unfavorable updates in estimated medical claims and medical inflation, partially offset by an increase in the discount rate. The net actuarial loss related to the benefit obligation in fiscal 2024 was primarily due to unfavorable updates in estimated medical claims, medical inflation, and demographic assumptions, partially offset by increases in discount rate.

The expected future medical benefit payments and related contributions are as follows:


For the Fiscal Year Ending March 31,
2027	$	8
2028	8
2029	9
2030	10
2031	11
2032 - 2036	64
Total	$	110

The entire disclosure for retirement benefits.

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Schedule of Components of Income Tax Expense

Income Taxes (Tables)

12 Months Ended

Mar. 31, 2026

Income Tax Disclosure [Abstract]

The components of income tax expense were as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Current
U.S. Federal	$	(94)	$	280	$	229
State and local	67		90		117
Foreign	3		5		3
Total current	(24)		375		349
Deferred
U.S. Federal	61		(73)		(94)
State and local	(26)		(18)		(6)
Foreign	—		—		(1)
Total deferred	35		(91)		(101)
Total income tax expense	$	11	$	284	$	248

Schedule of Reconciliation of Effective Income Tax Rate

Differences between the effective income tax rate and the statutory U.S. federal income tax rate are as follows:


	2026
	Amount		Rate
Income tax expense computed at U.S. Federal statutory rate	$	181	21.0%
State and local income taxes, net of federal income tax effect (1)	31		3.6%
Effect of Cross Border Taxation:
Foreign Derived Intangible Income (FDII)	(29)		(3.4)%
Other	(3)		(0.3)%
Research and development and other federal credits	(103)		(12.0)%
Nontaxable and non-deductible items	10		1.2%
Changes in uncertain tax positions	(80)		(9.3)%
Other adjustments	4		0.5%
Income tax expense at the effective income tax rate	$	11	1.3%

(1) State taxes in Virginia and Maryland made up the majority (greater than 50%) of the tax effect in this category for fiscal 2026.

The reconciliation from federal income tax expense computed using the statutory federal income tax rate to federal income tax expense at our effective income tax rate, prior to the adoption of ASU 2023-09, is shown below for the comparative periods:


	2025		2024
Income tax expense computed at U.S. Federal statutory rate	$	256		$	179

Increases (reductions) resulting from:
State and local income taxes, net of federal income tax effect	55			85
Foreign income taxes, net of federal tax	—			(8)
Non-deductible expenses, including non-deductible penalties	7			5
Excess tax benefits from stock-based compensation	(6)			(10)
Research and development and other federal credits	(40)			(31)
Executive compensation - 162(m)	7			6
Foreign Derived Intangible Income (FDII)	(13)			(14)
Changes in uncertain tax positions (including indirect effects)	27			38
Other	(9)			(2)
Income tax expense at the effective income tax rate	$	284		$	248

Schedule of Cash Paid for Taxes

The amount of cash income taxes paid by the Company were as follows:


	Fiscal Year Ended March 31,
	2026
U.S. Federal	$	—
State and local:
District of Columbia	24
Maryland	17
Virginia	37
All other states	20
Foreign	5
Total income taxes paid, net of refunds received	$	103

Schedule of Components of Deferred Tax Assets and Liabilities

The significant components of the Company’s deferred income tax assets and liabilities consisted of the following on the dates below:


	March 31,
	2026		2025
Deferred tax assets:
Accrued expenses	$	68	$	66
Deferred compensation	60		59
Stock-based compensation	12		12
Postretirement benefits	46		47
Net operating loss and other carryforwards	206		9
Research and development expenditures and indirect effects	98		335
State tax credits	45		1
Operating lease liabilities	52		62
Other	6		12
Total gross deferred tax assets	593		603
Less: valuation allowance	(10)		(9)
Total net deferred income tax assets	583		594
Deferred tax liabilities:
Unbilled receivables	(90)		(89)
Intangible assets	(112)		(100)
Property and equipment	(33)		(25)
Operating lease right-of-use assets	(38)		(46)
Other	(16)		(2)
Total deferred tax liabilities	(289)		(262)
Net deferred tax asset	$	294	$	332

Schedule of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of potential tax benefits for the periods presented is as follows:


	March 31,
	2026		2025		2024
Beginning of year	$	125	$	104	$	548
Increases in prior year position	21		4		41
Increases in current year position	17		17		13
Decreases in prior year position	(20)		—		(474)
Settlements with taxing authorities	(63)		—		(24)
Lapse of statute of limitations	(9)		—		—
End of year	$	71	$	125	$	104

Stock-based Compensation (Tables)

12 Months Ended

Mar. 31, 2026

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation Expense Recognized in the Condensed Consolidated Statements of Operations

The following table summarizes stock-based compensation expense recognized in the consolidated statements of operations:


	Fiscal Year Ended March 31,
	2026		2025		2024
Cost of revenue	$	27	$	35	$	44
General and administrative expenses	42		59		51
Total (1)	$	69	$	94	$	95

(1) Tax benefits recognized from stock-based compensation were $12 million, $22 million, and $31 million for fiscal 2026, 2025, and 2024, respectively.

Schedule of Unvested Restricted Stock Activity

The following table summarizes unvested restricted stock activity for the periods presented:


	Number of Shares	Weighted Average Grant Date Fair Value
Unvested Restricted Stock Awards
Unvested at March 31, 2025	1,003,794	$	120.89
Granted	860,646	104.11
Vested	735,591	106.04
Forfeited	168,292	121.39
Unvested at March 31, 2026 (1)	960,557	$	117.14

Stock-based Compensation - Schedule of Unvested Restricted Stock Activity (Details) - Amended and Restated Equity Incentive Plan - $ / shares	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Restricted Stock
Number of Shares
Unvested, beginning balance (in shares)	1,003,794
Granted (in shares)	860,646
Vested (in shares)	735,591
Forfeited (in shares)	168,292
Unvested, ending balance (in shares)	960,557	1,003,794
Weighted Average Grant Date Fair Value
Unvested, beginning balance (in dollars per share)	$ 120.89
Granted (in dollars per share)	104.11	$ 151.85	$ 98.94
Vested (in dollars per share)	106.04
Forfeited (in dollars per share)	121.39
Unvested, ending balance (in dollars per share)	$ 117.14	$ 120.89
Performance Shares
Number of Shares
Unvested, ending balance (in shares)	200,000
Weighted Average Grant Date Fair Value
Performance period	3 years

Derivatives	12 Months Ended
Derivatives	Mar. 31, 2026
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives	Derivatives The Company utilizes interest rate swaps to manage interest rate risk related to its variable rate debt. The Company’s objectives in using these interest rate swaps, which were designated as cash flow hedges, are to manage its exposure to interest rate movements and reduce volatility of interest expense. The Company’s outstanding interest rate swaps have a total notional amount of $350 million as of March 31, 2026 and mature from June 30, 2026 to June 30, 2027. The variable-to-fixed interest rate swaps effectively convert a portion of the variable rate debt into fixed interest rate debt. The changes in the fair value of the Company’s interest rate swaps are recorded in Accumulated Other Comprehensive Income (Loss) (“AOCI”), net of taxes, and are subsequently reclassified into interest expense, net in the period that the hedged forecasted interest payments are made on the Company's variable-rate debt. See Note 10, “Debt,” to the consolidated financial statements for additional information on interest payments related to the interest rate swaps, and Note 17, “Investments and Fair Value Measurements,” to the consolidated financial statements for additional information on the fair values and location of the interest rate swaps on the consolidated balance sheets. Over the next 12 months, the Company estimates that $1 million will be reclassified as an increase to interest expense. Cash flows associated with periodic settlements of interest rate swaps are classified as operating activities in the consolidated statement of cash flows. The Company is subject to counterparty risk in connection with its interest rate swap contracts. Credit risk related to a derivative financial instrument represents the possibility that the counterparty will not fulfill the terms of the contract. The Company mitigates this credit risk by entering into agreements with credit-worthy counterparties and regularly reviews its credit exposure and the creditworthiness of the counterparties.

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

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Revenue from Contract with Customer [Abstract]

Insider Trading Policies and Procedures	12 Months Ended
Insider Trading Policies and Procedures	Mar. 31, 2026
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted	true

Investments and Fair Value Measurements - Schedule of Recurring Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Assets:
Money market funds	$ 307	$ 802
Current derivative instruments		1
Long-term deferred compensation plan asset	40	35
Total Assets	347	838
Liabilities:
Current derivative instruments	1	1
Long-term derivative instruments		2
Long-term deferred compensation plan liability	40	35
Total Liabilities	41	38
Level 1
Assets:
Money market funds	307	802
Current derivative instruments		0
Long-term deferred compensation plan asset	40	35
Total Assets	347	837
Liabilities:
Current derivative instruments	0	0
Long-term derivative instruments		0
Long-term deferred compensation plan liability	40	35
Total Liabilities	40	35
Level 2
Assets:
Money market funds	0	0
Current derivative instruments		1
Long-term deferred compensation plan asset	0	0
Total Assets	0	1
Liabilities:
Current derivative instruments	1	1
Long-term derivative instruments		2
Long-term deferred compensation plan liability	0	0
Total Liabilities	$ 1	$ 3

Revenue

12 Months Ended

Mar. 31, 2026

Revenue

For each of the fiscal years 2026, 2025, and 2024, approximately 98% of the Company’s revenue was generated from contracts with an agency or department of the U.S. government, including contracts where the Company performed either as a prime contractor or subcontractor, and regardless of the geographic location in which the work was performed.

Disaggregation of Revenue

We disaggregate our revenue from contracts with customers by contract type and by customer type, as well as by whether the Company acts as prime contractor or subcontractor, as we believe these categories best depict how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors. The following series of tables presents our revenue disaggregated by these categories.


Revenue by Contract Type:
	Fiscal Year Ended March 31,
	2026			2025			2024
Cost-reimbursable	$	6,587	59%	$	6,865	57%	$	5,874	55%
Time-and-materials	2,492		22%	2,707		23%	2,530		24%
Fixed-price	2,138		19%	2,408		20%	2,258		21%
Total Revenue	$	11,217	100%	$	11,980	100%	$	10,662	100%


Revenue by Customer Type (1):
	Fiscal Year Ended March 31,
	2026			2025			2024
Defense Customers	$	6,069	54%	$	5,943	49%	$	5,061	47%
Intelligence Customers	1,900		17%	1,867		16%	1,763		17%
National Security Customers	$	7,969	71%	$	7,810	65%	$	6,824	64%
Civil and Commercial Customers	3,248		29%	4,170		35%	3,838		36%
Total Revenue	$	11,217	100%	$	11,980	100%	$	10,662	100%

(1) Customer type is based on public market as determined by government agency mapping.


Revenue by Whether the Company Acts as Prime Contractor or a Subcontractor:
	Fiscal Year Ended March 31,
	2026			2025			2024
Prime Contractor	$	10,513	94%	$	11,397	95%	$	10,143	95%
Subcontractor	704		6%	583		5%	519		5%
Total Revenue	$	11,217	100%	$	11,980	100%	$	10,662	100%

Performance Obligations

As of March 31, 2026 and 2025, the Company had $10.7 billion and $9.5 billion of remaining performance obligations, respectively. We expect to recognize approximately 65% of the remaining performance obligations as of March 31, 2026 as revenue over the next 12 months, and approximately 75% over the next 24 months. The remainder is expected to be recognized thereafter.

Contract Balances

The following table summarizes the contract assets and liabilities, and accounts receivable, net of allowance recognized on the Company’s consolidated balance sheets:


	March 31,
	2026		2025
Current assets:
Accounts receivable–billed	$	555	$	781
Accounts receivable–unbilled (contract assets)	1,509		1,491
Allowance for credit losses	(1)		(1)
Accounts receivable, net	2,063		2,271
Other long-term assets:
Accounts receivable–unbilled (contract assets)	58		58
Total accounts receivable, net	$	2,121	$	2,329
Other current liabilities
Advance payments, billings in excess of costs incurred and deferred revenue (contract liabilities)	$	28	$	18

To determine revenue recognized from contract liabilities during the reporting periods, the Company allocates revenue recognized during the period to the beginning balances of individual contract liabilities first, until the revenue exceeds the liability balances. For fiscal 2026, 2025 and 2024, we recognized revenue of $14 million, $12 million and $17 million, respectively, related to our contract liabilities on April 1, 2025, 2024 and 2023, respectively.

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

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Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Debt Instrument [Line Items]
Less: Unamortized debt issuance costs and discount on debt	$ (24)	$ (28)
Total	3,940	3,998
Less: Current portion of long-term debt	(19)	(83)
Long-term debt, net of current portion	$ 3,921	$ 3,915
Senior Notes due 2028 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	3.875%	3.875%
Outstanding Balance	$ 700	$ 700
Senior Notes due 2029 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	4.00%	4.00%
Outstanding Balance	$ 500	$ 500
Senior Notes due 2033 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	5.95%	5.95%
Outstanding Balance	$ 650	$ 650
Senior Notes due 2035 \| Senior Notes
Debt Instrument [Line Items]
Interest Rate	5.95%	5.95%
Outstanding Balance	$ 650	$ 650
Credit Agreement \| Line of Credit \| Term Loan A-1
Debt Instrument [Line Items]
Interest Rate	5.018%	5.675%
Outstanding Balance	$ 714	$ 1,526
Credit Agreement \| Line of Credit \| Term Loan A-2
Debt Instrument [Line Items]
Interest Rate	4.923%	0.00%
Outstanding Balance	$ 750	$ 0

Employee Benefit Plans - Schedule of Assumed Health Care Cost Trend Rates (Details) - Officer Medical Plan - Other Postretirement Benefits Plan	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Defined Benefit Plan Disclosure [Line Items]
Health care cost trend rate assumed for next year, Pre 65	8.10%	8.25%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate), Pre 65	4.50%	4.50%
Health care cost trend rate assumed for next year, Post 65	9.20%	8.95%
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate), Post 65	4.50%	4.50%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Stockholders’ Equity - Additional Information (Details)
shares in Millions, $ in Millions

12 Months Ended

Oct. 22, 2025

USD ($)

Mar. 31, 2026

USD ($)

vote

Mar. 31, 2025

USD ($)

Mar. 31, 2024

USD ($)

Common stock votes per share | vote

Stock repurchase program, increase in authorized amount

$ 500

Share repurchase program, amount authorized

$ 4,085

Share repurchase program, remaining authorized repurchase amount

^[1]

$ 591

$ 804

$ 418

$ 684

Class A Common Stock

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Repurchase of common stock (in shares) | shares

5.6

3.2

$ 561

$ 764

$ 373

[1]

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Revenue - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Product Information [Line Items]
Contract with customer, liability, revenue recognized	$ 14	$ 12	$ 17
Other adjustments \| Revenue Benchmark \| Contracts with U.S. Government Agencies or Other U.S. Government Contractors
Product Information [Line Items]
Concentration risk (as a percent)	98.00%	98.00%	98.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Debt - Schedule of Material Terms of Senior Notes (Details) - Senior Notes - USD ($)	Mar. 31, 2026	Mar. 14, 2025	Aug. 04, 2023	Jun. 17, 2021	Aug. 24, 2020
Debt Instrument [Line Items]
Principal (in millions)	$ 2,500,000,000
Senior Notes due 2028
Debt Instrument [Line Items]
Principal (in millions)					$ 700,000,000
Issuance Costs (in millions)					$ 9,000,000
Senior Notes due 2029
Debt Instrument [Line Items]
Principal (in millions)				$ 500,000,000
Issuance Costs (in millions)				$ 7,000,000
Senior Notes due 2033
Debt Instrument [Line Items]
Principal (in millions)			$ 650,000,000
Issuance Costs (in millions)			$ 12,000,000
Senior Notes due 2035
Debt Instrument [Line Items]
Principal (in millions)		$ 650,000,000
Issuance Costs (in millions)		$ 6,000,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Revenue - Performance Obligations (Details) - USD ($) $ in Billions	Mar. 31, 2026	Mar. 31, 2025
Revenue from Contract with Customer [Abstract]
Revenue, amount of remaining performance obligation	$ 10.7	$ 9.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation (as per percent)	65.00%
Remaining performance obligation, expected timing, period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation (as per percent)	75.00%
Remaining performance obligation, expected timing, period	24 months

Revenue - Schedule of Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Current assets:
Accounts receivable–billed	$ 555	$ 781
Accounts receivable–unbilled (contract assets)	1,509	1,491
Allowance for credit losses	(1)	(1)
Accounts receivable, net	2,063	2,271
Accounts receivable–unbilled (contract assets)	58	58
Total accounts receivable, net	2,121	2,329
Other current liabilities
Advance payments, billings in excess of costs incurred and deferred revenue (contract liabilities)	$ 28	$ 18

Audit Information	12 Months Ended
Audit Information	Mar. 31, 2026
Audit Information [Abstract]
Auditor Name	Ernst & Young LLP
Auditor Location	Tysons, Virginia
Auditor Firm ID	42

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 61	$ 2,399	$ 2,405
Goodwill decrease in the carrying amount	$ 6
Amortization of intangible assets		$ 95	$ 95	$ 93

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

Goodwill and Intangible Assets Disclosure [Abstract]

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Debt - Schedule of Future Debt Principal Repayments (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Interest on indebtedness
Total	$ 1,017
2027	198
2028	176
2029	146
2030	120
2031	106
Thereafter	271
Total
Total	4,981
2027	217
2028	908
2029	883
2030	658
2031	744
Thereafter	1,571
Line of Credit \| Credit Agreement \| Term Loan A-1
Long-term debt, gross
Total	714	$ 1,526
2027	0
2028	714
2029	0
2030	0
2031	0
Thereafter	0
Line of Credit \| Credit Agreement \| Term Loan A-2
Long-term debt, gross
Total	750	0
2027	19
2028	18
2029	37
2030	38
2031	638
Thereafter	0
Senior Notes \| Senior Notes due 2028
Long-term debt, gross
Total	700	700
2027	0
2028	0
2029	700
2030	0
2031	0
Thereafter	0
Senior Notes \| Senior Notes due 2029
Long-term debt, gross
Total	500	500
2027	0
2028	0
2029	0
2030	500
2031	0
Thereafter	0
Senior Notes \| Senior Notes due 2033
Long-term debt, gross
Total	650	650
2027	0
2028	0
2029	0
2030	0
2031	0
Thereafter	650
Senior Notes \| Senior Notes due 2035
Long-term debt, gross
Total	650	$ 650
2027	0
2028	0
2029	0
2030	0
2031	0
Thereafter	$ 650

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2026	Mar. 31, 2025
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	600,000,000	600,000,000
Common stock, issued (in shares)	169,805,201	168,522,544
Common stock, outstanding (in shares)	120,341,320	124,879,004
Treasury stock (in shares)	49,463,881	43,643,540

Goodwill and Intangible Assets

12 Months Ended

Mar. 31, 2026

Goodwill and Intangible Assets

Goodwill

Goodwill was $2,399 million and $2,405 million as of March 31, 2026 and March 31, 2025, respectively. The $6 million decrease in the carrying amount of goodwill was attributable to the Company's sale of contracts in the third quarter of fiscal 2026.

Intangible Assets

Intangible assets consisted of the following:


	March 31, 2026						March 31, 2025
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value		Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Amortizable intangible assets:
Customer contracts and related customer relationships	$	619	$	365	$	254	$	619	$	305	$	314
Software	202		137		65		168		109		59
Total amortizable intangible assets	$	821	$	502	$	319	$	787	$	414	$	373
Unamortizable intangible assets:
Trade name	$	190	$	—	$	190	$	190	$	—	$	190
Total	$	1,011	$	502	$	509	$	977	$	414	$	563

Amortization expense for fiscal 2026, 2025, and 2024 was $95 million, $95 million, and $93 million, respectively.

The following table summarizes the estimated annual amortization expense for future periods:


For the Fiscal Year Ended March 31,
2027	$	81
2028	65
2029	53
2030	42
2031	35
Thereafter	43
Total estimated amortization expense	$	319

Leases - Supplemental Cash Flow and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Leases [Abstract]
Cash paid for amounts included in the measurement of lease liabilities	$ 67	$ 71	$ 76
Operating lease liabilities arising from obtaining ROU asset	$ 21	$ 54	$ 40
Weighted average remaining lease term (in years)	3 years 10 months 24 days	4 years 3 months 18 days
Weighted average discount rate	5.00%	5.00%

Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Deferred tax assets:
Accrued expenses	$ 68	$ 66
Deferred compensation	60	59
Stock-based compensation	12	12
Postretirement benefits	46	47
Net operating loss and other carryforwards	206	9
Research and development expenditures and indirect effects	98	335
State tax credits	45	1
Operating lease liabilities	52	62
Other	6	12
Total gross deferred tax assets	593	603
Less: valuation allowance	(10)	(9)
Total net deferred income tax assets	583	594
Deferred tax liabilities:
Unbilled receivables	(90)	(89)
Intangible assets	(112)	(100)
Property and equipment	(33)	(25)
Operating lease right-of-use assets	(38)	(46)
Other	(16)	(2)
Total deferred tax liabilities	(289)	(262)
Net deferred income tax asset	$ 294	$ 332

Earnings Per Share

12 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Earnings Per Share

The Company computes basic and diluted earnings per share amounts based on net income attributable to common stockholders for the periods presented. The Company uses the weighted average number of shares of common stock outstanding during the period to calculate basic earnings per share (“EPS”). Diluted EPS adjusts the weighted average number of shares outstanding to include the dilutive effect of outstanding common stock options and other stock-based awards.

The Company currently has outstanding shares of Class A Common Stock. Holders of unvested Class A Restricted Common Stock are entitled to participate in non-forfeitable dividends or other distributions (“participating securities”). These unvested restricted shares participated in the Company's dividends declared and paid in each quarter of fiscal 2026, 2025, and 2024. As such, EPS is calculated using the two-class method whereby earnings are reduced by distributed earnings as well as any available undistributed earnings allocable to holders of these unvested restricted shares. A reconciliation of the income used to compute basic and diluted EPS for the periods presented are as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Numerator: (1)
Earnings for basic computations	$	845	$	930	$	601
Earnings for diluted computations	$	845	$	930	$	601
Denominator:
Weighted-average common stock shares outstanding, basic	122,071,669		127,763,166		130,366,501
Dilutive stock options and restricted stock	303,482		527,251		449,402
Weighted-average common stock shares outstanding, diluted (2)	122,375,151		128,290,417		130,815,903
Earnings per share of common share:
Basic	$	6.92	$	7.28	$	4.61
Diluted (2)	$	6.90	$	7.25	$	4.59

(2) The impact of anti-dilutive options excluded from the calculation of diluted EPS was not material during the periods presented.

Investments and Fair Value Measurements - Additional Information (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($)	Mar. 31, 2026 USD ($) investment	Mar. 31, 2025 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contractual obligation	$ 322	$ 322
Number of investments in funds \| investment		2
Contractual obligation, term		10 years
Payments to acquire equity method investments	178
Other Investments	146	$ 146	$ 85
Venture Capital Fund 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contractual obligation	400	400
Venture Capital Fund 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contractual obligation	$ 100	$ 100

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Income Taxes

12 Months Ended

Mar. 31, 2026

Income Tax Disclosure [Abstract]

Income Taxes

Income Tax Provision

The components of income tax expense were as follows:


	Fiscal Year Ended March 31,
	2026		2025		2024
Current
U.S. Federal	$	(94)	$	280	$	229
State and local	67		90		117
Foreign	3		5		3
Total current	(24)		375		349
Deferred
U.S. Federal	61		(73)		(94)
State and local	(26)		(18)		(6)
Foreign	—		—		(1)
Total deferred	35		(91)		(101)
Total income tax expense	$	11	$	284	$	248

Reconciliation of Effective Income Tax Rate

As discussed in Note 2, “Summary of Significant Accounting Policies,” to the consolidated financial statements, the Company adopted ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, prospectively as of March 31, 2026. Differences between the effective income tax rate and the statutory U.S. federal income tax rate are as follows:


	2026
	Amount		Rate
Income tax expense computed at U.S. Federal statutory rate	$	181	21.0%
State and local income taxes, net of federal income tax effect (1)	31		3.6%
Effect of Cross Border Taxation:
Foreign Derived Intangible Income (FDII)	(29)		(3.4)%
Other	(3)		(0.3)%
Research and development and other federal credits	(103)		(12.0)%
Nontaxable and non-deductible items	10		1.2%
Changes in uncertain tax positions	(80)		(9.3)%
Other adjustments	4		0.5%
Income tax expense at the effective income tax rate	$	11	1.3%

(1) State taxes in Virginia and Maryland made up the majority (greater than 50%) of the tax effect in this category for fiscal 2026.


	2025		2024
Income tax expense computed at U.S. Federal statutory rate	$	256		$	179

Increases (reductions) resulting from:
State and local income taxes, net of federal income tax effect	55			85
Foreign income taxes, net of federal tax	—			(8)
Non-deductible expenses, including non-deductible penalties	7			5
Excess tax benefits from stock-based compensation	(6)			(10)
Research and development and other federal credits	(40)			(31)
Executive compensation - 162(m)	7			6
Foreign Derived Intangible Income (FDII)	(13)			(14)
Changes in uncertain tax positions (including indirect effects)	27			38
Other	(9)			(2)
Income tax expense at the effective income tax rate	$	284		$	248

Tax Receivables and Payables

The Company has both a current income tax receivable ($88 million classified as prepaid taxes) and an income tax payable ($10 million classified as other current liabilities) on its consolidated balance sheet as of March 31, 2026. In addition, as of March 31, 2026, the Company has $178 million classified as other long-term assets on its consolidated balance sheet related to the amended U.S. federal return refund claims for research and development tax credits and the carryback claim for the fiscal 2021 net operating loss.

Cash paid for taxes

The amount of cash income taxes paid by the Company were as follows:


	Fiscal Year Ended March 31,
	2026
U.S. Federal	$	—
State and local:
District of Columbia	24
Maryland	17
Virginia	37
All other states	20
Foreign	5
Total income taxes paid, net of refunds received	$	103

Income tax payments, net of refunds received, were $379 million and $336 million for the years ended March 31, 2025 and 2024, respectively.

Deferred Income Taxes

The significant components of the Company’s deferred income tax assets and liabilities consisted of the following on the dates below:


	March 31,
	2026		2025
Deferred tax assets:
Accrued expenses	$	68	$	66
Deferred compensation	60		59
Stock-based compensation	12		12
Postretirement benefits	46		47
Net operating loss and other carryforwards	206		9
Research and development expenditures and indirect effects	98		335
State tax credits	45		1
Operating lease liabilities	52		62
Other	6		12
Total gross deferred tax assets	593		603
Less: valuation allowance	(10)		(9)
Total net deferred income tax assets	583		594
Deferred tax liabilities:
Unbilled receivables	(90)		(89)
Intangible assets	(112)		(100)
Property and equipment	(33)		(25)
Operating lease right-of-use assets	(38)		(46)
Other	(16)		(2)
Total deferred tax liabilities	(289)		(262)
Net deferred tax asset	$	294	$	332

In July 2025, the One Big Beautiful Bill Act (“OBBB”) was enacted, introducing significant amendments to the U.S. federal income tax code, including the permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, restoration of favorable tax treatment for certain business provisions including the immediate expensing of domestic research and development expenditures, a change in the benefit of the research and development tax credit, restoration of full expensing for qualified machinery, equipment and other short-lived assets, as well as several modifications to international tax provisions. Certain provisions are effective for fiscal 2026 and the Company has recognized the income tax effects of those provisions herein, while other provisions are effective in future fiscal years.

Deferred tax balances arise from temporary differences between the carrying amount of assets and liabilities and their tax basis and are stated at the enacted tax rates in effect for the year in which the differences are expected to reverse. A valuation allowance is provided against deferred tax assets when it is more likely than not that some or all of the deferred tax asset will not be realized. In determining if the Company's deferred tax assets are realizable, management considers all positive and negative evidence, including the history of generating financial reporting earnings, future reversals of existing taxable temporary differences, projected future taxable income, as well as any tax planning strategies.

Tax Credit, Loss and Other Carryforwards

As of March 31, 2026 and 2025, the Company had available federal, state, and foreign net operating loss (“NOL carryforwards”) of $206 million and $9 million, respectively, that may be applied against future taxable income. The federal net operating loss consists of $1 million attributable to an acquisition and will begin to expire in fiscal 2037 and $192 million generated in fiscal 2026 that do not expire. The Company recorded a partial valuation allowance against those federal, state and foreign net operating losses it believes will expire prior to utilization.

As of March 31, 2026 and 2025, the Company had tax credit carryforwards of $45 million and $1 million, respectively, that may be applied against future taxable income. These credits include $40 million of research and development and other credits that begin to expire in fiscal 2029, and the majority expire in fiscal 2046.

Uncertain Tax Positions

The Company maintains reserves for uncertain tax positions (“UTP”) related to unrecognized income tax benefits. These reserves involve judgment and estimation and are evaluated by management based on the best information available including changes in tax laws and other information. As of March 31, 2026, 2025, and 2024, the Company has recorded $75 million, $142 million, and $115 million, respectively, of reserves for UTPs which include potential tax benefits of $71 million, $125 million, and $104 million, respectively, that, when recognized, impact the effective tax rate. As of March 31, 2026 and 2025, $20 million and $3 million, respectively, of the reserve is reflected as a reduction to deferred taxes and the remaining balance is recorded as a component of other long-term liabilities in the consolidated balance sheet.

A reconciliation of the beginning and ending amount of potential tax benefits for the periods presented is as follows:


	March 31,
	2026		2025		2024
Beginning of year	$	125	$	104	$	548
Increases in prior year position	21		4		41
Increases in current year position	17		17		13
Decreases in prior year position	(20)		—		(474)
Settlements with taxing authorities	(63)		—		(24)
Lapse of statute of limitations	(9)		—		—
End of year	$	71	$	125	$	104

In addition to the unrecognized tax benefits noted above, the Company recognized accrued interest and penalties of $(16) million for fiscal 2026, and $7 million for both fiscal 2025 and 2024, related to the reserves for uncertain tax positions in the income tax provision. The total reserve for uncertain tax positions includes accrued penalties and interest of approximately $4 million, $20 million and $13 million at March 31, 2026, 2025, and 2024, respectively.

With respect to significant current year activity, the UTP reduction during fiscal 2026 is primarily related to an $86 million adjustment (including interest) from the completion of Internal Revenue Service (the “IRS”) examination procedures of the Company's amended federal income tax returns through fiscal year 2021 recorded in the first quarter. The Company also accrued $(24) million of interest income (net of tax effect) on the related long-term receivable for the refund requested in the amended returns. Due to the magnitude of the refund requested in the amended returns, the case will be referred to the Joint Committee on Taxation (the “JCT”) for further evaluation, as required by law for tax refunds or reductions exceeding $5 million. While the JCT has not yet reviewed this case, management does not anticipate that the resolution of this review will have a material adverse effect on the Company's financial position or results of operations.

During fiscal 2024, the Company reversed reserves for uncertain tax positions related to the required capitalization of research and development expenditures originally recorded in fiscal 2023, which was reversed in fiscal 2024 as a result of additional guidance provided by the IRS.

The Company is subject to taxation in the United States and various state and foreign jurisdictions. As of March 31, 2026, the Company's tax years ended March 31, 2016 and forward are open and subject to examination by the federal tax authorities. The Company is currently under federal audit by the Internal Revenue Service (“IRS”) for fiscal years 2016, 2017 and 2019-2021. The other jurisdictions currently open or under examination are not considered to be material.

It is difficult to predict the ultimate outcome or the timing of resolution for uncertain tax positions. It is reasonably possible that the amount of unrecognized tax benefits could significantly change within the next twelve months. However, an estimate of the range of reasonably possible outcomes cannot be made. Items that may cause changes to unrecognized tax benefits include the amount of research and development tax credits available in the United States and various state jurisdictions. These changes could result from the completion of the ongoing IRS examination, the expiration of the statutes of limitations, additional regulatory guidance or other unforeseen circumstances.

The entire disclosure for income tax.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Schedule of Accounts Payable and Other Accrued Expenses

Property and Equipment, Net - Schedule of Components of Property and Equipment, Net (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 489	$ 458
Less: Accumulated depreciation and amortization	(318)	(281)
Property and equipment, net	171	177
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	124	113
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	102	109
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 263	$ 236

Accounts Payable and Other Accrued Expenses (Tables)

12 Months Ended

Mar. 31, 2026

Payables and Accruals [Abstract]

Accounts payable and other accrued expenses consisted of the following:


	March 31,
	2026		2025
Vendor payables	$	594	$	693
Provision for claimed costs	248		245
Accrued interest	32		16
Accrued expenses	35		33
Total accounts payable and other accrued expenses	$	909	$	987

Revenue (Tables)

12 Months Ended

Mar. 31, 2026

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue


Revenue by Contract Type:
	Fiscal Year Ended March 31,
	2026			2025			2024
Cost-reimbursable	$	6,587	59%	$	6,865	57%	$	5,874	55%
Time-and-materials	2,492		22%	2,707		23%	2,530		24%
Fixed-price	2,138		19%	2,408		20%	2,258		21%
Total Revenue	$	11,217	100%	$	11,980	100%	$	10,662	100%


Revenue by Customer Type (1):
	Fiscal Year Ended March 31,
	2026			2025			2024
Defense Customers	$	6,069	54%	$	5,943	49%	$	5,061	47%
Intelligence Customers	1,900		17%	1,867		16%	1,763		17%
National Security Customers	$	7,969	71%	$	7,810	65%	$	6,824	64%
Civil and Commercial Customers	3,248		29%	4,170		35%	3,838		36%
Total Revenue	$	11,217	100%	$	11,980	100%	$	10,662	100%

(1) Customer type is based on public market as determined by government agency mapping.


Revenue by Whether the Company Acts as Prime Contractor or a Subcontractor:
	Fiscal Year Ended March 31,
	2026			2025			2024
Prime Contractor	$	10,513	94%	$	11,397	95%	$	10,143	95%
Subcontractor	704		6%	583		5%	519		5%
Total Revenue	$	11,217	100%	$	11,980	100%	$	10,662	100%

Schedule of Contract Assets and Liabilities

The following table summarizes the contract assets and liabilities, and accounts receivable, net of allowance recognized on the Company’s consolidated balance sheets:


	March 31,
	2026		2025
Current assets:
Accounts receivable–billed	$	555	$	781
Accounts receivable–unbilled (contract assets)	1,509		1,491
Allowance for credit losses	(1)		(1)
Accounts receivable, net	2,063		2,271
Other long-term assets:
Accounts receivable–unbilled (contract assets)	58		58
Total accounts receivable, net	$	2,121	$	2,329
Other current liabilities
Advance payments, billings in excess of costs incurred and deferred revenue (contract liabilities)	$	28	$	18

Income Taxes - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Current
U.S. Federal	$ (94)	$ 280	$ 229
State and local	67	90	117
Foreign	3	5	3
Total current	(24)	375	349
Deferred
U.S. Federal	61	(73)	(94)
State and local	(26)	(18)	(6)
Foreign	0	0	(1)
Total deferred	35	(91)	(101)
Total income tax expense	$ 11	$ 284	$ 248

Goodwill and Intangible Assets - Schedule of Expected Amortization Expense (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
2027	$ 81
2028	65
2029	53
2030	42
2031	35
Thereafter	43
Net Carrying Value	$ 319	$ 373

Income Taxes - Reconciliation of Potential Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Reconciliation of the beginning and ending amount of potential tax benefits
Beginning of year	$ 125	$ 104	$ 548
Increases in prior year position	21	4	41
Increases in current year position	17	17	13
Decreases in prior year position	(20)	0	(474)
Settlements with taxing authorities	(63)	0	(24)
Lapse of statute of limitations	(9)	0	0
End of year	$ 71	$ 125	$ 104

Summary of Significant Accounting Policies	12 Months Ended
Summary of Significant Accounting Policies	Mar. 31, 2026
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of Presentation The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries that are majority-owned or otherwise controlled by the Company and have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”), and the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”). All intercompany balances and transactions have been eliminated in consolidation. The Company uses the equity method to account for investments in limited partnerships with greater than minor influence or in entities that it does not control if it is otherwise able to exert significant influence over the entities' operating and financial policies. Equity investments in entities over which the Company does not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are carried at cost and are subject to fair value adjustments in certain circumstances (e.g., observable price changes or impairment). The Company’s fiscal year ends on March 31 and unless otherwise noted, references to fiscal year or fiscal relate to fiscal years ended March 31. The accompanying consolidated financial statements present the financial position of the Company as of March 31, 2026 and 2025 and the Company’s results of operations for fiscal 2026, 2025, and 2024. Certain amounts reported in the Company's prior year consolidated financial statements have been reclassified to conform to the current year presentation, including the reclassification of $26 million of interest income for fiscal 2024 from “Other income (loss), net” into “Interest expense, net” on the consolidated statement of operations. There are no changes to the Company’s financial position or results of operations as a result of this reclassification. Accounting Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses, as well as the disclosure of contingent assets and liabilities at the date of the financial statements or during the relevant reporting periods (as applicable). The Company bases its estimates on assumptions that it believes are reasonable and appropriate. Actual results may differ materially from those estimates. Estimates are used for, but not limited to, revenue recognition including the profitability of long-term contracts and cost accruals, the provision for claimed costs, fair value measurements, the valuation and expected lives of acquired intangible assets, incentive compensation, income taxes including reserves for uncertain tax positions, postretirement obligations and contingencies. Revenue Recognition The Company performs and generates revenue under three basic types of contracts, as described below: •Cost-Reimbursable Contracts: Cost-reimbursable contracts provide for the payment of allowable costs incurred during performance of the contract, up to a ceiling based on the amount that has been funded, plus a fixed fee or award fee. •Time-and-Materials Contracts: Under contracts in this category, we are paid a fixed hourly rate for each direct labor hour expended, and we are reimbursed for billable material costs and billable out-of-pocket expenses inclusive of allocable indirect costs. We assume the financial risk on time-and-materials contracts because the Company’s costs of performance may exceed negotiated hourly rates. •Fixed-Price Contracts: Under a fixed-price contract, we agree to perform the specified work for a predetermined price. To the extent the Company’s actual direct and allocated indirect costs decrease or increase from the estimates upon which the price was negotiated, we will generate more or less profit, respectively, or could incur a loss. The Company considers a contract with a customer to exist under Accounting Standards Codification (“ASC”) No. 606 - Revenue from Contracts with Customers (“Topic 606”), when there is approval and commitment from both the Company and the customer, the rights of the parties and payment terms are identified, the contract has commercial substance, and collectability of consideration is probable. The Company also will consider whether two or more contracts entered into with the same customer should be combined and accounted for as a single contract. Furthermore, in certain transactions, the Company may commence providing services prior to receiving a formal approval from the customer. In these situations, the Company will consider the factors noted above, the risks associated with commencing the work and legal enforceability in determining whether a contract with the customer exists under Topic 606. Customer contracts are often modified to change the scope, price, specifications or other terms within the existing arrangement. Contract modifications are evaluated by management to determine whether the modification should be accounted for as part of the original performance obligation(s) or as a separate contract. If the modification adds distinct goods or services and increases the contract value proportionate to the stand-alone selling price of the additional goods or services, it will be accounted for as a separate contract. Generally, the Company’s contract modifications do not include goods or services which are distinct, and therefore are accounted for as part of the original performance obligation(s) with any impact on transaction price or estimated costs at completion being recorded as through a cumulative catch-up adjustment to revenue. The Company evaluates each service deliverable contracted with the customer to determine whether it represents promises to transfer distinct goods or services. Under Topic 606, these are referred to as performance obligations. One or more service deliverables often represent a single performance obligation. The Company’s contracts generally provide a set of integrated or highly interrelated tasks or services and are therefore accounted for as a single performance obligation. In the limited number of situations where our contracts with customers contain more than one performance obligation, we allocate the transaction price of a contract between the performance obligations in the proportion to their respective stand-alone selling prices. We generally estimate the stand-alone selling price of performance obligations based on an expected cost-plus margin approach as allowed under Topic 606. However, in cases where we provide more than one distinct good or service within a customer contract, the contract is separated into individual performance obligations which are accounted for discretely. Billing timetables and payment terms on our contracts vary based on a number of factors, including whether the contract type is cost-reimbursable, time-and-materials, or fixed-price. Fixed-price contracts are typically billed to the customer using milestone or fixed monthly payments, while cost-reimbursable-plus-fee and time-and-materials contracts are typically billed to the customer at periodic intervals (e.g. monthly or weekly) as indicated by the terms of the contract. Disparities between the timing of revenue recognition and customer billings and cash collections result in changes to net contract assets or liabilities being recognized at the end of each reporting period. Contract assets primarily consist of unbilled receivables typically resulting from revenue recognized exceeding the amount billed to the customer and right to payment is not just subject to the passage of time. Unbilled amounts represent revenues for which billings have not yet been presented to customers. These amounts are generally billed and collected within one year subject to various conditions including, without limitation, appropriated and available funding. Our customers generally pay our invoices within 30 days of the invoice date, although we experience a longer billing and collection cycle with our global commercial customers. Long-term unbilled receivables not anticipated to be billed and collected within one year, which are primarily related to retainage, holdbacks, and certain years’ long-term rate settlements to be billed at contract close-out, are included in other long-term assets in the accompanying consolidated balance sheets. Contract liabilities primarily consist of billings in excess of costs incurred and deferred revenue. Contract assets and liabilities are reported on a net contract basis at the end of each reporting period. The Company maintains an allowance for credit losses to provide for an estimate of uncollectible receivables. Contracts with the U.S. government are generally subject to the Federal Acquisition Regulation (the “FAR”) and are priced based on estimated or actual costs of providing the goods or services. The Company derives a majority of its revenue from contracts awarded through a competitive bidding process. Pricing for non-U.S. government agencies and commercial customers is based on discrete negotiations with each customer. Certain of the Company’s contracts contain award fees, incentive fees or other provisions that may increase or decrease the transaction price. These variable amounts generally are awarded upon achievement of certain performance metrics, program milestones or cost targets and may be based upon customer discretion. Management estimates variable consideration as the most likely amount that we expect to achieve based on the Company’s assessment of the variable fee provisions within the contract, prior experience with similar contracts or customers, and management’s evaluation of the performance on such contracts. The Company may perform work under a contract that has not been fully funded if the work has been authorized by management and the customer to proceed. The Company evaluates unfunded amounts as variable consideration in estimating the transaction price. The Company includes the estimated variable consideration in its transaction price to the extent that it is probable that a significant reversal of revenue will not occur upon the ultimate settlement of the variable fee provision. The Company’s U.S. government contracts generally contain FAR provisions that enable the customer to terminate a contract for default or for the convenience of the U.S. government. The Company recognizes revenue for each performance obligation identified within its customer contracts when, or as, the performance obligation is satisfied by transferring the promised goods or services. Revenue may either be recognized over time or at a point in time. The Company generally recognizes revenue over time as its contracts typically involve a continuous transfer of control to the customer. A continuous transfer of control under contracts with the U.S. government and its agencies is evidenced by clauses which require the Company to be paid for costs incurred plus a reasonable margin in the event that the customer unilaterally terminates the contract for convenience. For fixed-price contracts where the Company recognizes revenue over time, a contract cost-based input method is generally used to measure progress towards satisfaction of the underlying performance obligation(s). Contract costs include direct costs such as materials, labor and subcontract costs, as well as indirect costs identifiable with, or allocable to, a specific contract that are expensed as incurred. The Company does not incur material incremental costs to acquire or fulfill contracts. Under a contract cost-based input method, revenue is recognized based on the proportion of contract costs incurred to the total estimated costs expected to be incurred upon completion of the underlying performance obligation. The Company generally includes both funded and unfunded portions of customer contracts in this estimation process. For interim financial reporting periods, contract revenue attributable to indirect costs is recognized based upon agreed-upon annual rates established with the U.S. government at the start of each fiscal year. These rates are estimated and agreed upon between the Company and the U.S. government and represent indirect contract costs required to execute and administer contract obligations. The impact of any overall changes or changes in the rates are recorded in the interim financial reporting period when such changes are identified. At the end of each fiscal year, estimated annual rates are adjusted to reported actual rates, with contract revenue attributable to indirect costs adjusted accordingly. These preliminary actual rates and their impact on contract revenue are subject to final audit and negotiation with the U.S. government, which may take place several years in the future. On certain contracts, principally time-and-materials and cost-reimbursable-plus-fee contracts, revenue is recognized using the right-to-invoice practical expedient as the Company is contractually able to invoice the customer based on the control transferred. However, we did not elect to use the practical expedient for remaining performance obligations, discussed below, which would allow the Company to exclude contracts using the right-to-invoice from remaining performance obligations. For stand-ready performance obligations under fixed-price contracts, revenue is recognized over time using a straight-line measure of progress as the control of the services is provided to the customer ratably over the term of the contract. If a contract does not meet the criteria for recognition of revenue over time, we recognize revenue at the point in time when control of the good or service is transferred to the customer. Determining a measure of progress towards the satisfaction of performance obligations requires management to make judgments that may affect the timing of revenue recognition. Many of the Company’s fixed price contracts recognize revenue under a contract cost-based input method and require an Estimate-at-Completion (“EAC”), which management uses to review and monitor the progress towards the completion of its performance obligations. Management considers various inputs and assumptions related to the EAC, including, but not limited to, progress towards completion, labor costs and productivity, material and subcontractor costs, and identified risks. Estimating the total cost at completion of performance obligations is subjective and requires management to make assumptions about future activity and cost drivers under the contract. Changes in these estimates can occur for a variety of reasons and, if significant, may impact the profitability of the Company’s contracts. Changes in estimates related to contracts accounted for under EACs are recognized in the period when such changes are made on a cumulative catch-up basis. If the estimate of contract profitability indicates an anticipated loss on a contract, the Company recognizes the total loss at the time it is identified. For fiscal 2026, 2025 and 2024, the aggregate impact of adjustments in contract estimates was not material. Remaining performance obligations represent the transaction price of exercised contracts for which work has not yet been performed, irrespective of whether funding has or has not been authorized and appropriated as of the date of exercise. Remaining performance obligations exclude negotiated but unexercised options, the unfunded value of expired contracts, and certain variable consideration that was determined to be constrained. Provision for Claimed Costs U.S. government contracts and subcontracts are subject to extensive legal and regulatory requirements. In the ordinary course of business, agencies of the U.S. government, including the Defense Contract Audit Agency (“DCAA”), audit the Company’s claimed costs and conduct inquiries and investigations of our business practices with respect to government contracts to determine whether the Company's operations are conducted in accordance with these requirements and the terms of the relevant contracts. The Company recognizes a reserve for estimated adjustments to historical claimed costs in respect of the years subsequent to fiscal 2011, based primarily on historical audit results. As audits of the periods subsequent to 2011 are completed, our estimates of adjustment to claimed costs for these periods could change. Cash and Cash Equivalents Cash and cash equivalents include unrestricted cash accounts and highly liquid investments that have a maturity of three months or less at the date of purchase. The Company’s cash equivalents consist primarily of government money market funds and money market deposit accounts. The Company maintains its cash and cash equivalents in bank accounts that, at times, exceed the federally insured FDIC limits. The Company has not experienced any losses in such accounts. Accounts Receivable Accounts receivable includes amounts billed and currently due from customers, and amounts billable where the right to consideration is unconditional. We also include in accounts receivable amounts related to revenue accrued in excess of amounts billed, primarily on our fixed-price and cost-reimbursable-plus-award-fee contracts. Amounts billable and unbilled receivables are recognized at estimated realizable value and consist of costs and fees, most of which are expected to be billed and collected generally within one year. When events or conditions indicate that amounts outstanding from customers may become uncollectible, an allowance for expected credit losses is estimated and recorded. This estimate is based on the age of outstanding receivables and/or specific identification of the balances at risk of becoming uncollectible. Upon final determination that a receivable is uncollectible, the receivable is written off against the allowance for expected credit losses. Concentrations of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash equivalents and accounts receivable. The Company’s cash equivalents are generally invested in U.S. government money market funds and money market deposit accounts. The Company believes that credit risk for accounts receivable is limited as the receivables are primarily with the U.S. government. Property and Equipment Property and equipment are recorded at cost, and the balances are presented net of accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets. Furniture and equipment is depreciated over five to ten years, and computer equipment, including laptops and tablets, is depreciated over two to four years. Leasehold improvements are amortized over the shorter of the useful life of the asset or lease term. Maintenance and repairs are charged to expense as incurred. Business Combinations The accounting for the Company’s business combinations consists of allocating the purchase price to tangible and intangible assets acquired and liabilities assumed based on their estimated fair values, with the excess recorded as goodwill. Certain fair value measurements may include inputs that are unobservable, requiring management to make judgments and estimates that can be affected by contract performance, and other factors that may cause final amounts to differ materially from original estimates. The Company has up to one year from the acquisition date to use information as of each acquisition date to adjust the fair value of the acquired assets and liabilities which may result in material changes to their recorded values with an offsetting adjustment to goodwill. Intangible Assets Intangible assets primarily consist of programs and contracts assets, channel relationships, the Company's trade name, customer relationships, software and other amortizable intangible assets. The Company capitalizes costs associated with developing internal-use computer software pertaining to upgrades in its business and financial systems. Programs and contract assets, channel relationships, and other amortizable intangible assets are generally amortized on an accelerated basis over the expected life based on projected future cash flows of approximately ten to fourteen years. Software purchased or developed for internal use is amortized over one to ten years. Intangible assets with finite lives are assessed for impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. The Company's trade name intangible asset is not amortized, but is tested for impairment on at least an annual basis as of January 1 and more frequently if interim indicators of impairment exist. The trade name is considered to be impaired if the carrying value exceeds its estimated fair value. The Company uses the relief from royalty method to estimate the fair value. The fair value of the asset is the present value of the license fees avoided by owning the asset, or the royalty savings. During the fiscal years ended March 31, 2026, 2025, and 2024, the Company did not record any impairment of intangible assets. Goodwill The Company assesses goodwill for impairment on at least an annual basis on January 1 unless interim indicators of impairment exist. Goodwill is considered to be impaired when the net book value of a reporting unit exceeds its estimated fair value. The Company operates as a single operating segment and as a single reporting unit for the purpose of evaluating goodwill. As of January 1, 2026, the Company performed its annual impairment test of goodwill by comparing the fair value of the Company (based on market capitalization) to the carrying value of the Company's net equity, and concluded that the fair value of the reporting unit was significantly greater than the carrying amount. During the fiscal years ended March 31, 2026, 2025, and 2024, the Company did not record any impairment of goodwill. Long-Lived Assets The Company reviews its long-lived assets, including property and equipment, amortizable intangible assets, and right-of-use (“ROU”) assets, for impairment whenever events or changes in circumstances indicate that the carrying amounts of the assets may not be fully recoverable. If the total of the expected undiscounted future net cash flows is less than the carrying amount of the asset, a loss is recognized for any excess of the carrying amount over the fair value of the asset. During the fiscal years ended March 31, 2026, 2025, and 2024, the Company did not record any material impairment charges. Leases At contract inception, the Company determines whether the contract is, or contains, a lease, which exists when the contract conveys the right to control the use of identified property or equipment for a period of time in exchange for consideration. Operating lease balances are included in operating lease ROU assets, operating lease liabilities, and operating lease liabilities, net of current portion in the Company’s consolidated balance sheet. Cash payments arising from operating leases are classified within operating activities in the consolidated statement of cash flows. As of March 31, 2026, the Company had no finance leases. The Company's leases are generally for facilities and office space and the Company recognizes ROU assets and lease liabilities at the lease commencement date for those arrangements. The initial lease liability is equal to the present value of the future lease payments over the lease term. The initial measurement of the ROU asset is equal to the initial lease liability plus any initial direct costs and prepaid lease payments, less any lease incentives. At the lease commencement date, the Company estimates its collateralized incremental borrowing rate based on publicly available yields adjusted for Company-specific considerations and the Company's varying lease terms in determining the present value of future payments. Certain of the Company’s leases contain options to renew or to terminate the lease which are included in the determination of the ROU assets and lease liabilities when it is reasonably certain that the Company will exercise the option. The Company's leases may also include variable lease payments, such as an escalation clause based on consumer price index rates, maintenance costs, and utilities. Variable lease payments that depend on an index or a rate are included in the determination of ROU assets and lease liabilities using the index or rate at the lease commencement date, whereas variable lease-related payments that do not depend on an index or rate are recorded as lease expense in the period incurred. ROU assets are evaluated for impairment in a manner consistent with the treatment of other long-lived assets. The Company elected the short-term lease policy election not to recognize ROU assets and lease liabilities for leases with an initial term of 12 months or less; lease expense from these leases is recognized on a straight-line basis over the lease term. For all material classes of leased assets, the Company elected to apply the practical expedient to not separate lease components from non-lease components, and instead account for both components as a single lease component. As of March 31, 2026, the Company did not have any lease agreements with residual value guarantees or material restrictions or covenants. Income Taxes Income taxes are accounted for under the asset and liability method in accordance with ASC 740 - Accounting for Income Taxes. Deferred tax assets and liabilities are recorded to recognize the expected future tax benefits or costs of events that have been, or will be, reported in different years for financial statement purposes than for tax purposes. Deferred tax assets and liabilities are computed based on the difference between the consolidated financial statement carrying amount and tax basis of assets and liabilities using enacted tax rates and laws for the years in which these items are expected to reverse. If management determines that some portion or all of a deferred tax asset is not “more likely than not” to be realized, a valuation allowance is recorded as a component of the income tax provision to reduce the deferred tax asset to an appropriate level in that period. In determining the need for a valuation allowance, management considers all positive and negative evidence, including historical earnings, projected future taxable income, future reversals of existing taxable temporary differences, taxable income in prior carryback periods, and prudent, feasible tax-planning strategies. If it were to be determined that the Company would be able to realize its deferred income tax assets in the future in excess of its net recorded amount, or that the Company would no longer be able to realize its deferred income tax assets in the future as is currently recorded, the Company would make an adjustment to the valuation allowance which would decrease or increase the provision for income taxes. The Company periodically assesses its tax positions for all periods open to examination by tax authorities based on the latest available information. Those positions are evaluated to determine whether they will more likely than not be sustained upon examination by the Internal Revenue Service (“IRS”) or other taxing authorities. The Company reserves for these uncertain tax positions related to unrecognized income tax benefits where it is not more likely than not that the Company’s tax position will be sustained on examination and settlement with the various taxing authorities. Liabilities for unrecognized tax benefits are measured based on the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement. These unrecognized tax benefits are recorded as a component of income tax expense. As uncertain tax positions in periods open to examination are closed out, or as new information becomes available, the resulting change is reflected in the recorded liability and income tax expense. Penalties and interest recognized related to the reserves for uncertain tax positions are recorded as a component of income tax expense. Comprehensive Income Comprehensive income is the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources, and is presented in the consolidated statements of comprehensive income. Accumulated other comprehensive income as of March 31, 2026 and 2025 consisted of net unrealized gains or losses on the Company’s defined and postretirement benefit plans and unrealized gains or losses on interest rate swaps designated as cash flow hedges. Stock-Based Compensation The Company’s stock-based compensation to employees are classified as equity plans. Compensation expense for all stock-based awards is measured at the grant date fair value and is recognized ratably over the vesting period, net of estimated forfeitures. The Company estimates forfeitures anticipated to occur during the vesting period, and the number of performance awards expected to vest based on service and performance conditions is adjusted at each reporting date. Defined Contribution Plan The Company sponsors the Employees’ Capital Accumulation Plan (the “ECAP”), which is a qualified defined contribution plan that covers eligible U.S. and certain employees in foreign jurisdictions. ECAP provides for distributions to participants by reason of retirement, death, disability, or termination of employment. The Company provides an annual matching contribution of up to 6% of eligible annual compensation. Defined Benefit Plans for Post Retirement Benefits The Company provides postretirement healthcare benefits to former officers under a medical indemnity insurance plan, with premiums paid by the Company (the “Officer Medical Plan”), as well as two pension plans for retired officers. The Company recognizes a liability on the consolidated balance sheets within other long-term liabilities for the defined benefit plans' underfunded status, measures the defined benefit plans' obligations that determine its funded status as of the end of the fiscal year, and recognizes the gains and losses and prior service costs and credits as a component of accumulated other comprehensive income for the changes in the defined benefit plans' funded status that are not recognized as components of net periodic benefit cost. The service cost component of net periodic benefit cost is included in cost of revenue and general and administrative expenses, and the non-service cost components of net periodic benefit cost (interest cost and net actuarial loss) are included as part of other income (expense), in the accompanying consolidated statements of operations. Self-Funded Medical Plans The Company maintains self-funded medical insurance. Self-funded plans include a Preferred Provider Organization (PPO) and Consumer Driven Health Plans (CDHPs) with a Health Savings Account option and traditional choice plans. Further, self-funded plans also include prescription drug and dental benefits. The Company records an incurred but unreported claim liability in the accrued compensation and benefits line of the consolidated balance sheets for self-funded plans based on an actuarial valuation. The estimate of the incurred but unreported claim liability was provided by a third-party valuation firm, primarily based on claims and participant data for the medical, dental, and pharmacy related costs. Fair Value Measurements Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. In determining fair value, the Company considers the principal or most advantageous market in which the asset or liability would transact, and if necessary, considers assumptions that market participants would use when pricing the asset or liability. The accounting standard for fair value measurements establishes a three-tier value hierarchy, which prioritizes the inputs used in measuring fair value as follows: observable inputs such as quoted prices in active markets (“Level 1”); inputs other than quoted prices in active markets that are observable either directly or indirectly (“Level 2”); and unobservable inputs in which there is little or no market data, which requires the Company to develop its own assumptions (“Level 3”). A financial instrument's level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. Investments in Variable Interest Entities and Other Investments The Company invests in companies both directly and indirectly through venture capital funds that advance or develop new technologies applicable to its business. Each investment is evaluated for consolidation under the variable interest entities model and/or the voting interest model. The Company uses the equity method to account for investments in limited partnerships with greater than minor influence or in entities that it does not control if it is otherwise able to exert significant influence over the entities' operating and financial policies. Equity investments in entities over which the Company does not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are accounted for under the measurement alternative, where they are subject to fair value adjustments in certain circumstances (e.g. observable price changes or impairment). Realized and unrealized gains or losses on investments are reflected in other income/(expense), on our consolidated statements of operations and investment balances are recorded in other long-term assets on our consolidated balance sheets. Recently Issued Accounting Pronouncements Adopted In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires disclosure of disaggregated information about an entity’s effective tax rate reconciliation as well as information on income taxes paid by jurisdiction. The Company adopted this standard prospectively effective March 31, 2026. The adoption of this ASU affects only the Company’s disclosures, with no impacts to its financial condition or results of operations. Recently Issued Accounting Pronouncements Not Yet Adopted In November 2024, the FASB issued ASU 2024-03, Disaggregation of Income Statement Expenses, which is intended to enhance transparency into the nature and function of certain expenses as specified by the ASU. The guidance does not change the expense captions an entity presents on the face of the income statement; rather, it requires public business entities to provide disaggregated disclosures of certain expense captions in the notes to the financial statements. The ASU is effective for annual periods beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027, and can be applied retrospectively or prospectively. The Company is currently assessing the impact of this update, however, its adoption will affect only the Company’s disclosures, with no impacts to its financial condition or results of operations. In September 2025, the FASB issued ASU 2025-06, Targeted Improvements to the Accounting for Internal-Use Software, to modernize the accounting for and disclosure of internal-use software costs. The guidance removes all references to project stages, defines the threshold to begin capitalizing costs, and clarifies the disclosure requirements of capitalized software costs. The ASU is effective for annual periods beginning after December 15, 2027, and interim periods within those fiscal years, and can be applied retrospectively, prospectively, or on a modified transition approach. Early adoption is permitted. The Company is currently assessing the impact of this update. Other recent accounting pronouncements issued during fiscal 2026 and through the filing date that have not yet been adopted are not expected to have a material impact on the Company's present or historical consolidated financial statements.

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net income	$ 851	$ 935	$ 606
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	163	165	164
Noncash lease expense	51	50	54
Stock-based compensation expense	69	94	95
Deferred income taxes	35	(91)	(101)
Net (gain) loss on investments, dispositions, and other	(16)	(16)	15
Changes in assets and liabilities:
Accounts receivable, net	207	(206)	(270)
Income taxes receivable / payable	(11)	(31)	(11)
Prepaid expenses and other current and long-term assets	(43)	1	(10)
Accrued compensation and benefits	(60)	207	48
Accounts payable and other accrued expenses	(86)	(66)	(282)
Other current and long-term liabilities	(119)	(33)	(49)
Net cash provided by operating activities	1,041	1,009	259
Cash flows from investing activities
Purchases of property, equipment, and software	(90)	(98)	(67)
Proceeds from (payments for) business dispositions and acquisitions, net of cash acquired	22	(97)	0
Net payments for investments	(232)	(23)	(24)
Net cash used in investing activities	(300)	(218)	(91)
Cash flows from financing activities
Proceeds from issuance of common stock	45	38	44
Repurchases of common stock	(598)	(812)	(404)
Cash dividends paid	(276)	(268)	(254)
Proceeds from revolving credit facility	0	200	500
Repayments on revolving credit facility, term loans, and Senior Notes	(62)	(262)	(541)
(Payments for)/net proceeds from debt refinancing and issuance	(7)	644	636
Net cash used in financing activities	(898)	(460)	(19)
Net (decrease) increase in cash and cash equivalents	(157)	331	149
Cash and cash equivalents––beginning of year	885	554	405
Cash and cash equivalents––end of year	728	885	554
Net cash paid during the period for:
Interest	191	186	156
Supplemental disclosures of non-cash investing and financing activities
Share repurchases transacted but not settled and paid	16	22	29
Unpaid property, equipment and software purchases	$ 8	$ 9	$ 16

Stock-based Compensation - Employee Stock Purchase Plan (Details) shares in Millions	12 Months Ended	185 Months Ended
	Mar. 31, 2026 shares	Mar. 31, 2026 shares
Amended and Restated Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Discount for shares repurchased (as a percent)	5.00%
Shares authorized to be repurchased (in shares)	10.0	10.0
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued during period, shares, employee stock purchase plans (in shares)	0.4	4.4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 851	$ 935	$ 606
Other comprehensive income, net of tax:
Change in unrealized loss on derivatives designated as cash flow hedges	0	(9)	(2)
Change in postretirement plan costs	6	(30)	(18)
Total other comprehensive income (loss), net of tax	6	(39)	(20)
Comprehensive income	$ 857	$ 896	$ 586

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Leases - Schedule of Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Leases [Abstract]
Operating lease cost	$ 61	$ 64	$ 64
Short-term lease cost	1	1	1
Variable lease cost	13	14	13
Total operating lease costs	$ 75	$ 79	$ 78

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Current assets:
Cash and cash equivalents	$ 728	$ 885
Accounts receivable, net	2,063	2,271
Prepaid expenses and other current assets	170	157
Total current assets	2,961	3,313
Property and equipment, net of accumulated depreciation	171	177
Operating lease right-of-use assets	147	178
Intangible assets, net of accumulated amortization	509	563
Goodwill	2,399	2,405
Deferred tax assets	294	332
Other long-term assets	637	344
Total assets	7,118	7,312
Current liabilities:
Current portion of long-term debt	19	83
Accounts payable and other accrued expenses	909	987
Accrued compensation and benefits	641	702
Operating lease liabilities	43	41
Other current liabilities	51	33
Total current liabilities	1,663	1,846
Long-term debt, net of current portion	3,921	3,915
Operating lease liabilities, net of current portion	139	180
Other long-term liabilities	290	368
Total liabilities	6,013	6,309
Commitments and contingencies (Note 18)
Stockholders’ equity:
Common stock, Class A - $0.01 par value - 600,000,000 shares authorized; 169,805,201 shares and 168,522,544 shares issued at March 31, 2026 and March 31, 2025, respectively; 120,341,320 shares and 124,879,004 shares outstanding at March 31, 2026 and March 31, 2025, respectively	2	2
Treasury stock, at cost - 49,463,881 and 43,643,540 shares at March 31, 2026 and March 31, 2025, respectively	(3,673)	(3,082)
Additional paid-in capital	1,155	1,042
Retained earnings	3,644	3,070
Accumulated other comprehensive loss	(23)	(29)
Total stockholders’ equity	1,105	1,003
Total liabilities and stockholders’ equity	$ 7,118	$ 7,312

Business Segment Information	12 Months Ended
Business Segment Information	Mar. 31, 2026
Segment Reporting [Abstract]
Business Segment Information	Business Segment Information The Company reports operating results and financial data in one operating and reportable segment. The Company manages its business and allocates resources as a single profit center in order to promote collaboration, provide comprehensive functional service offerings across its entire customer base, and provide incentives to employees based on the success of the organization as a whole. The Company’s chief operating decision maker (“CODM”) is its Chairman and Chief Executive Officer. Consolidated net income is the primary measure of profit used by the CODM to allocate resources and assess performance of the Company. Significant expense categories regularly provided to the CODM to manage operations are those disclosed in the consolidated statements of operations.

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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Investments and Fair Value Measurements

Investments and Fair Value Measurements

12 Months Ended

Mar. 31, 2026

Fair Value Disclosures [Abstract]

Investments

Our investments related to unconsolidated entities included in other long term assets of the Company’s consolidated balance sheets at March 31 were:


Investments	2026		2025
Equity method investments	$	184	$	5
Other investments	160		85
Total Investments	$	344	$	90

The net gains of our investments are not material to the consolidated financial statements for the periods presented.

Equity Method Investments

During fiscal 2026, Booz Allen Hamilton Inc., a wholly owned subsidiary of the Company, committed to invest up to $400 million and $100 million, respectively, as a limited partner in two separate venture capital funds (the “Funds”), which are accounted for as equity method investments and considered related parties. The commitments are subject to capital calls to be funded over the Funds’ 10-year terms, which may be extended in accordance with the Funds’ governing documents. The Company funded a total investment of $178 million in the Funds in the fourth quarter, and believes that future capital calls will be concentrated in the earlier years of the Funds’ operation as the Funds execute on their expected investment strategy. As of March 31, 2026, the Company’s unfunded capital commitments as a limited partner in the Funds was $322 million.

Other Investments - Nonrecurring Fair Value Measurements

As of March 31, 2026 and 2025, the total of our investments that are accounted for at fair value on a non-recurring basis under the measurement alternative were $146 million and $85 million, respectively. While these assets are not measured at fair value on an ongoing basis, they are subject to fair value adjustments in certain circumstances (e.g., observable price changes or impairment).

Recurring Fair Value Measurements

The financial instruments measured at fair value on a recurring basis in the accompanying consolidated balance sheets consist of the following:


	March 31, 2026
	Level 1		Level 2		Total
Assets:
Money market funds	$	307	$	—	$	307


Long term deferred compensation plan asset (2)	40		—		40
Total Assets	$	347	$	—	$	347
Liabilities:
Current derivative instruments (1)	—		1		1

Long term deferred compensation plan liability (2)	40		—		40
Total Liabilities	$	40	$	1	$	41


	March 31, 2025
	Level 1		Level 2		Total
Assets:
Money market funds	$	802	$	—	$	802
Current derivative instruments (1)	—		1		1

Long term deferred compensation plan asset (2)	$	35	$	—	$	35
Total Assets	$	837	$	1	$	838
Liabilities:

Current derivative instruments (1)	$	—	$	1	$	1
Long-term derivative instruments (1)	—		2		2
Long term deferred compensation plan liability (2)	35		—		35
Total liabilities	$	35	$	3	$	38

The Company did not have any Level 3 assets or liabilities as of March 31, 2026 or 2025.

Cash and Cash Equivalents

As of March 31, 2026 and 2025, the Company's cash and cash equivalents presented on the accompanying consolidated balance sheets include the money market funds disclosed in the table above. As of both March 31, 2026 and 2025, the fair value of the Company’s cash and cash equivalents approximated its carrying value.

Long-term Debt

The Company's long-term debt is carried at amortized cost and fair value is presented quarterly for disclosure purposes. The estimated fair values of debt are determined using quoted prices or other market information obtained from recent trading activity of the debt in markets that are not active (Level 2 inputs). The fair value is corroborated by prices derived from the interest rate spreads of recently completed leveraged loan transactions of a similar credit profile, industry, and terms to that of the Company. The fair value of the Senior Notes are determined using quoted prices or other market information obtained from recent trading activity in the high-yield bond market (Level 2 inputs). The carrying amount and estimated fair value of debt consists of the following:


	March 31, 2026				March 31, 2025
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Term Loan A-1	$	714	$	712	$	1,526	$	1,521
Term Loan A-2	750		743		—		—
3.875% Senior Notes due 2028	700		680		700		666
4.000% Senior Notes due 2029	500		484		500		471
5.950% Senior Notes due 2033	650		663		650		651
5.950% Senior Notes due 2035	650		655		650		645
Total Debt	$	3,964	$	3,937	$	4,026	$	3,954

Accrued Compensation and Benefits

12 Months Ended

Mar. 31, 2026

Accrued Compensation and Benefits

Accrued compensation and benefits consisted of the following:


	March 31,
	2026		2025
Accrued payroll	$	289	$	328
Accrued retirement	77		85
Accrued paid time off	222		242
Other	53		47
Total accrued compensation and benefits	$	641	$	702

Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Letters of Credit and Third-Party Guarantees As of both March 31, 2026 and 2025, the Company was contingently liable under open standby letters of credit and bank guarantees issued by our banks in favor of third parties that totaled $3 million and $4 million, respectively. These letters of credit and bank guarantees primarily support insurance and bid and performance obligations. At both March 31, 2026 and 2025, approximately $1 million of these instruments reduce the available borrowings under the Revolving Credit Facility. The remainder is guaranteed under a separate $3 million facility, of which $1 million and less than a million were available to the Company at March 31, 2026 and 2025, respectively. Litigation Our performance under U.S. government contracts and compliance with the terms of those contracts and applicable laws and regulations are subject to continuous audit, review, and investigation by the U.S. government, which may include such investigative techniques as subpoenas or civil investigative demands. Given the nature of our business, these audits, reviews, and investigations may focus, among other areas, on various aspects of procurement integrity, labor time reporting, sensitive and/or classified information access and control, executive compensation, and post-government employment restrictions. We are not always aware of our status in such matters, but we are currently aware of certain pending audits and investigations involving labor time reporting, procurement integrity, and classified information access. In addition, from time to time, we are also involved in legal proceedings and investigations arising in the ordinary course of business, including those relating to employment matters, relationships with customers and contractors, intellectual property disputes, and other business matters. These legal proceedings seek various remedies, including claims for monetary damages in varying amounts, none of which are considered material, or are unspecified as to amount. Although the outcome of any such matter is inherently uncertain and may be materially adverse, based on current information, we do not expect any of the currently ongoing audits, reviews, investigations, or litigation to have a material adverse effect on our financial condition and results of operations. As of both March 31, 2026 and 2025, there were no material amounts accrued in the consolidated financial statements related to these proceedings. During the second quarter of fiscal 2025, the Company secured insurance recoveries of $115 million from claims related to the Company’s settlement described in Note 20, “Commitments and Contingencies,” to the consolidated financial statements contained within our Annual Report on Form 10-K for the fiscal year ended March 31, 2024. The insurance recoveries offset our general and administrative expenses in our Consolidated Statements of Operations. Government Contracting Matters - Provision for Claimed Costs U.S. government contracts and subcontracts are subject to extensive legal and regulatory requirements. From time to time and in the ordinary course of business, agencies of the U.S. government, including the Defense Contract Audit Agency (“DCAA”), audit the Company’s claimed costs and conduct inquiries and investigations of our business practices with respect to government contracts to determine whether the Company's operations are conducted in accordance with these requirements and the terms of the relevant contracts. Management believes it has recorded the appropriate provision for claimed costs for any audit, inquiry, or investigation of which it is aware that may be subject to any reductions and/or penalties. As of March 31, 2026 and 2025, the Company had recorded liabilities (included in accounts payable and other accrued expenses) of approximately $248 million and $245 million, respectively, for estimated adjustments to claimed costs based on its historical DCAA audit results, including the final resolution of such audits with the Defense Contract Management Agency (“DCMA”), for claimed costs incurred subsequent to fiscal 2011.

Investments and Fair Value Measurements - Schedule of Carrying Values and Estimated Fair Values of Debt Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 31, 2025
Senior Notes \| 3.875% Senior Notes due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument (as a percent)	3.875%
Senior Notes \| Senior Notes due 2029
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument (as a percent)	4.00%
Senior Notes \| Senior Notes due 2033
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument (as a percent)	5.95%
Senior Notes \| Senior Notes due 2035
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument (as a percent)	5.95%
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	$ 3,964	$ 4,026
Carrying Amount \| Line of Credit \| Credit Agreement \| Term Loan A-1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	714	1,526
Carrying Amount \| Line of Credit \| Credit Agreement \| Term Loan A-2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	750	0
Carrying Amount \| Senior Notes \| 3.875% Senior Notes due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	700	700
Carrying Amount \| Senior Notes \| Senior Notes due 2029
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	500	500
Carrying Amount \| Senior Notes \| Senior Notes due 2033
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	650	650
Carrying Amount \| Senior Notes \| Senior Notes due 2035
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	650	650
Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	3,937	3,954
Estimated Fair Value \| Line of Credit \| Credit Agreement \| Term Loan A-1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	712	1,521
Estimated Fair Value \| Line of Credit \| Credit Agreement \| Term Loan A-2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	743	0
Estimated Fair Value \| Senior Notes \| 3.875% Senior Notes due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	680	666
Estimated Fair Value \| Senior Notes \| Senior Notes due 2029
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	484	471
Estimated Fair Value \| Senior Notes \| Senior Notes due 2033
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	663	651
Estimated Fair Value \| Senior Notes \| Senior Notes due 2035
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	$ 655	$ 645

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Revenue	$ 11,217	$ 11,980	$ 10,662
Operating costs and expenses:
Cost of revenue	5,305	5,419	4,921
Billable expenses	3,450	3,780	3,282
General and administrative expenses	1,266	1,246	1,281
Depreciation and amortization	163	165	164
Total operating costs and expenses	10,184	10,610	9,648
Operating income	1,033	1,370	1,014
Interest expense, net	(184)	(168)	(147)
Other income (expense)	13	17	(13)
Income before income taxes	862	1,219	854
Income tax expense	11	284	248
Net income	$ 851	$ 935	$ 606
Earnings per share of common stock (Note 4):
Basic (in dollars per share)	$ 6.92	$ 7.28	$ 4.61
Diluted (in dollars per share)	$ 6.90	$ 7.25	$ 4.59

Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Operating Loss Carryforwards [Line Items]
Income tax receivable	$ 88
Income tax payable	10
Income tax receivable	178
Income taxes	103	$ 379	$ 336
Net operating losses	206	9
Tax credit carryforwards	45	1
Tax credit carryforwards, research and development	40
Reserves for uncertain tax positions	75	142	115
Unrecognized tax benefits that would impact effective tax rate	71	125	104
Unrecognized tax benefits that decrease deferred tax assets	20	3
Recognized accrued interest and penalties	(16)	7	7
Income tax reserve, accrued penalties and interest	4	$ 20	$ 13
Increase (decrease) in income tax reserves	(86)
Accrual of interest on long term receivable	(24)
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, not subject to expiration	192
Operating loss carryforwards, subject to expiration	$ 1

Employee Benefit Plans - Schedule of Expected Future Benefit Payments (Details) $ in Millions	Mar. 31, 2026 USD ($)
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2027	$ 8
2028	8
2029	9
2030	10
2031	11
2032 - 2036	64
Total	$ 110

Summary of Significant Accounting Policies (Policies)	12 Months Ended
Summary of Significant Accounting Policies (Policies)	Mar. 31, 2026
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries that are majority-owned or otherwise controlled by the Company and have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”), and the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”). All intercompany balances and transactions have been eliminated in consolidation. The Company uses the equity method to account for investments in limited partnerships with greater than minor influence or in entities that it does not control if it is otherwise able to exert significant influence over the entities' operating and financial policies. Equity investments in entities over which the Company does not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are carried at cost and are subject to fair value adjustments in certain circumstances (e.g., observable price changes or impairment). The Company’s fiscal year ends on March 31 and unless otherwise noted, references to fiscal year or fiscal relate to fiscal years ended March 31.
Reclassification	Certain amounts reported in the Company's prior year consolidated financial statements have been reclassified to conform to the current year presentation
Accounting Estimates	Accounting Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses, as well as the disclosure of contingent assets and liabilities at the date of the financial statements or during the relevant reporting periods (as applicable). The Company bases its estimates on assumptions that it believes are reasonable and appropriate. Actual results may differ materially from those estimates. Estimates are used for, but not limited to, revenue recognition including the profitability of long-term contracts and cost accruals, the provision for claimed costs, fair value measurements, the valuation and expected lives of acquired intangible assets, incentive compensation, income taxes including reserves for uncertain tax positions, postretirement obligations and contingencies.
Revenue Recognition	Revenue Recognition The Company performs and generates revenue under three basic types of contracts, as described below: •Cost-Reimbursable Contracts: Cost-reimbursable contracts provide for the payment of allowable costs incurred during performance of the contract, up to a ceiling based on the amount that has been funded, plus a fixed fee or award fee. •Time-and-Materials Contracts: Under contracts in this category, we are paid a fixed hourly rate for each direct labor hour expended, and we are reimbursed for billable material costs and billable out-of-pocket expenses inclusive of allocable indirect costs. We assume the financial risk on time-and-materials contracts because the Company’s costs of performance may exceed negotiated hourly rates. •Fixed-Price Contracts: Under a fixed-price contract, we agree to perform the specified work for a predetermined price. To the extent the Company’s actual direct and allocated indirect costs decrease or increase from the estimates upon which the price was negotiated, we will generate more or less profit, respectively, or could incur a loss. The Company considers a contract with a customer to exist under Accounting Standards Codification (“ASC”) No. 606 - Revenue from Contracts with Customers (“Topic 606”), when there is approval and commitment from both the Company and the customer, the rights of the parties and payment terms are identified, the contract has commercial substance, and collectability of consideration is probable. The Company also will consider whether two or more contracts entered into with the same customer should be combined and accounted for as a single contract. Furthermore, in certain transactions, the Company may commence providing services prior to receiving a formal approval from the customer. In these situations, the Company will consider the factors noted above, the risks associated with commencing the work and legal enforceability in determining whether a contract with the customer exists under Topic 606. Customer contracts are often modified to change the scope, price, specifications or other terms within the existing arrangement. Contract modifications are evaluated by management to determine whether the modification should be accounted for as part of the original performance obligation(s) or as a separate contract. If the modification adds distinct goods or services and increases the contract value proportionate to the stand-alone selling price of the additional goods or services, it will be accounted for as a separate contract. Generally, the Company’s contract modifications do not include goods or services which are distinct, and therefore are accounted for as part of the original performance obligation(s) with any impact on transaction price or estimated costs at completion being recorded as through a cumulative catch-up adjustment to revenue. The Company evaluates each service deliverable contracted with the customer to determine whether it represents promises to transfer distinct goods or services. Under Topic 606, these are referred to as performance obligations. One or more service deliverables often represent a single performance obligation. The Company’s contracts generally provide a set of integrated or highly interrelated tasks or services and are therefore accounted for as a single performance obligation. In the limited number of situations where our contracts with customers contain more than one performance obligation, we allocate the transaction price of a contract between the performance obligations in the proportion to their respective stand-alone selling prices. We generally estimate the stand-alone selling price of performance obligations based on an expected cost-plus margin approach as allowed under Topic 606. However, in cases where we provide more than one distinct good or service within a customer contract, the contract is separated into individual performance obligations which are accounted for discretely. Billing timetables and payment terms on our contracts vary based on a number of factors, including whether the contract type is cost-reimbursable, time-and-materials, or fixed-price. Fixed-price contracts are typically billed to the customer using milestone or fixed monthly payments, while cost-reimbursable-plus-fee and time-and-materials contracts are typically billed to the customer at periodic intervals (e.g. monthly or weekly) as indicated by the terms of the contract. Disparities between the timing of revenue recognition and customer billings and cash collections result in changes to net contract assets or liabilities being recognized at the end of each reporting period. Contract assets primarily consist of unbilled receivables typically resulting from revenue recognized exceeding the amount billed to the customer and right to payment is not just subject to the passage of time. Unbilled amounts represent revenues for which billings have not yet been presented to customers. These amounts are generally billed and collected within one year subject to various conditions including, without limitation, appropriated and available funding. Our customers generally pay our invoices within 30 days of the invoice date, although we experience a longer billing and collection cycle with our global commercial customers. Long-term unbilled receivables not anticipated to be billed and collected within one year, which are primarily related to retainage, holdbacks, and certain years’ long-term rate settlements to be billed at contract close-out, are included in other long-term assets in the accompanying consolidated balance sheets. Contract liabilities primarily consist of billings in excess of costs incurred and deferred revenue. Contract assets and liabilities are reported on a net contract basis at the end of each reporting period. The Company maintains an allowance for credit losses to provide for an estimate of uncollectible receivables. Contracts with the U.S. government are generally subject to the Federal Acquisition Regulation (the “FAR”) and are priced based on estimated or actual costs of providing the goods or services. The Company derives a majority of its revenue from contracts awarded through a competitive bidding process. Pricing for non-U.S. government agencies and commercial customers is based on discrete negotiations with each customer. Certain of the Company’s contracts contain award fees, incentive fees or other provisions that may increase or decrease the transaction price. These variable amounts generally are awarded upon achievement of certain performance metrics, program milestones or cost targets and may be based upon customer discretion. Management estimates variable consideration as the most likely amount that we expect to achieve based on the Company’s assessment of the variable fee provisions within the contract, prior experience with similar contracts or customers, and management’s evaluation of the performance on such contracts. The Company may perform work under a contract that has not been fully funded if the work has been authorized by management and the customer to proceed. The Company evaluates unfunded amounts as variable consideration in estimating the transaction price. The Company includes the estimated variable consideration in its transaction price to the extent that it is probable that a significant reversal of revenue will not occur upon the ultimate settlement of the variable fee provision. The Company’s U.S. government contracts generally contain FAR provisions that enable the customer to terminate a contract for default or for the convenience of the U.S. government. The Company recognizes revenue for each performance obligation identified within its customer contracts when, or as, the performance obligation is satisfied by transferring the promised goods or services. Revenue may either be recognized over time or at a point in time. The Company generally recognizes revenue over time as its contracts typically involve a continuous transfer of control to the customer. A continuous transfer of control under contracts with the U.S. government and its agencies is evidenced by clauses which require the Company to be paid for costs incurred plus a reasonable margin in the event that the customer unilaterally terminates the contract for convenience. For fixed-price contracts where the Company recognizes revenue over time, a contract cost-based input method is generally used to measure progress towards satisfaction of the underlying performance obligation(s). Contract costs include direct costs such as materials, labor and subcontract costs, as well as indirect costs identifiable with, or allocable to, a specific contract that are expensed as incurred. The Company does not incur material incremental costs to acquire or fulfill contracts. Under a contract cost-based input method, revenue is recognized based on the proportion of contract costs incurred to the total estimated costs expected to be incurred upon completion of the underlying performance obligation. The Company generally includes both funded and unfunded portions of customer contracts in this estimation process. For interim financial reporting periods, contract revenue attributable to indirect costs is recognized based upon agreed-upon annual rates established with the U.S. government at the start of each fiscal year. These rates are estimated and agreed upon between the Company and the U.S. government and represent indirect contract costs required to execute and administer contract obligations. The impact of any overall changes or changes in the rates are recorded in the interim financial reporting period when such changes are identified. At the end of each fiscal year, estimated annual rates are adjusted to reported actual rates, with contract revenue attributable to indirect costs adjusted accordingly. These preliminary actual rates and their impact on contract revenue are subject to final audit and negotiation with the U.S. government, which may take place several years in the future. On certain contracts, principally time-and-materials and cost-reimbursable-plus-fee contracts, revenue is recognized using the right-to-invoice practical expedient as the Company is contractually able to invoice the customer based on the control transferred. However, we did not elect to use the practical expedient for remaining performance obligations, discussed below, which would allow the Company to exclude contracts using the right-to-invoice from remaining performance obligations. For stand-ready performance obligations under fixed-price contracts, revenue is recognized over time using a straight-line measure of progress as the control of the services is provided to the customer ratably over the term of the contract. If a contract does not meet the criteria for recognition of revenue over time, we recognize revenue at the point in time when control of the good or service is transferred to the customer. Determining a measure of progress towards the satisfaction of performance obligations requires management to make judgments that may affect the timing of revenue recognition. Many of the Company’s fixed price contracts recognize revenue under a contract cost-based input method and require an Estimate-at-Completion (“EAC”), which management uses to review and monitor the progress towards the completion of its performance obligations. Management considers various inputs and assumptions related to the EAC, including, but not limited to, progress towards completion, labor costs and productivity, material and subcontractor costs, and identified risks. Estimating the total cost at completion of performance obligations is subjective and requires management to make assumptions about future activity and cost drivers under the contract. Changes in these estimates can occur for a variety of reasons and, if significant, may impact the profitability of the Company’s contracts. Changes in estimates related to contracts accounted for under EACs are recognized in the period when such changes are made on a cumulative catch-up basis. If the estimate of contract profitability indicates an anticipated loss on a contract, the Company recognizes the total loss at the time it is identified. For fiscal 2026, 2025 and 2024, the aggregate impact of adjustments in contract estimates was not material. Remaining performance obligations represent the transaction price of exercised contracts for which work has not yet been performed, irrespective of whether funding has or has not been authorized and appropriated as of the date of exercise. Remaining performance obligations exclude negotiated but unexercised options, the unfunded value of expired contracts, and certain variable consideration that was determined to be constrained.
Provision for Claimed Costs	Provision for Claimed Costs U.S. government contracts and subcontracts are subject to extensive legal and regulatory requirements. In the ordinary course of business, agencies of the U.S. government, including the Defense Contract Audit Agency (“DCAA”), audit the Company’s claimed costs and conduct inquiries and investigations of our business practices with respect to government contracts to determine whether the Company's operations are conducted in accordance with these requirements and the terms of the relevant contracts. The Company recognizes a reserve for estimated adjustments to historical claimed costs in respect of the years subsequent to fiscal 2011, based primarily on historical audit results. As audits of the periods subsequent to 2011 are completed, our estimates of adjustment to claimed costs for these periods could change.
Cash and Cash Equivalents	Cash and Cash Equivalents Cash and cash equivalents include unrestricted cash accounts and highly liquid investments that have a maturity of three months or less at the date of purchase. The Company’s cash equivalents consist primarily of government money market funds and money market deposit accounts. The Company maintains its cash and cash equivalents in bank accounts that, at times, exceed the federally insured FDIC limits. The Company has not experienced any losses in such accounts.
Accounts Receivable	Accounts Receivable Accounts receivable includes amounts billed and currently due from customers, and amounts billable where the right to consideration is unconditional. We also include in accounts receivable amounts related to revenue accrued in excess of amounts billed, primarily on our fixed-price and cost-reimbursable-plus-award-fee contracts. Amounts billable and unbilled receivables are recognized at estimated realizable value and consist of costs and fees, most of which are expected to be billed and collected generally within one year. When events or conditions indicate that amounts outstanding from customers may become uncollectible, an allowance for expected credit losses is estimated and recorded. This estimate is based on the age of outstanding receivables and/or specific identification of the balances at risk of becoming uncollectible. Upon final determination that a receivable is uncollectible, the receivable is written off against the allowance for expected credit losses.
Concentrations of Credit Risk	Concentrations of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash equivalents and accounts receivable. The Company’s cash equivalents are generally invested in U.S. government money market funds and money market deposit accounts. The Company believes that credit risk for accounts receivable is limited as the receivables are primarily with the U.S. government.
Property and Equipment	Property and Equipment Property and equipment are recorded at cost, and the balances are presented net of accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets. Furniture and equipment is depreciated over five to ten years, and computer equipment, including laptops and tablets, is depreciated over two to four years. Leasehold improvements are amortized over the shorter of the useful life of the asset or lease term. Maintenance and repairs are charged to expense as incurred.
Business Combinations	Business Combinations The accounting for the Company’s business combinations consists of allocating the purchase price to tangible and intangible assets acquired and liabilities assumed based on their estimated fair values, with the excess recorded as goodwill. Certain fair value measurements may include inputs that are unobservable, requiring management to make judgments and estimates that can be affected by contract performance, and other factors that may cause final amounts to differ materially from original estimates. The Company has up to one year from the acquisition date to use information as of each acquisition date to adjust the fair value of the acquired assets and liabilities which may result in material changes to their recorded values with an offsetting adjustment to goodwill.
Intangible Assets	Intangible Assets Intangible assets primarily consist of programs and contracts assets, channel relationships, the Company's trade name, customer relationships, software and other amortizable intangible assets. The Company capitalizes costs associated with developing internal-use computer software pertaining to upgrades in its business and financial systems. Programs and contract assets, channel relationships, and other amortizable intangible assets are generally amortized on an accelerated basis over the expected life based on projected future cash flows of approximately ten to fourteen years. Software purchased or developed for internal use is amortized over one to ten years. Intangible assets with finite lives are assessed for impairment whenever events or changes in circumstances indicate that the carrying value may not be recoverable. The Company's trade name intangible asset is not amortized, but is tested for impairment on at least an annual basis as of January 1 and more frequently if interim indicators of impairment exist. The trade name is considered to be impaired if the carrying value exceeds its estimated fair value. The Company uses the relief from royalty method to estimate the fair value. The fair value of the asset is the present value of the license fees avoided by owning the asset, or the royalty savings.
Goodwill	Goodwill The Company assesses goodwill for impairment on at least an annual basis on January 1 unless interim indicators of impairment exist. Goodwill is considered to be impaired when the net book value of a reporting unit exceeds its estimated fair value. The Company operates as a single operating segment and as a single reporting unit for the purpose of evaluating goodwill. As of January 1, 2026, the Company performed its annual impairment test of goodwill by comparing the fair value of the Company (based on market capitalization) to the carrying value of the Company's net equity, and concluded that the fair value of the reporting unit was significantly greater than the carrying amount.
Long-Lived Assets	Long-Lived Assets The Company reviews its long-lived assets, including property and equipment, amortizable intangible assets, and right-of-use (“ROU”) assets, for impairment whenever events or changes in circumstances indicate that the carrying amounts of the assets may not be fully recoverable. If the total of the expected undiscounted future net cash flows is less than the carrying amount of the asset, a loss is recognized for any excess of the carrying amount over the fair value of the asset.
Leases	Leases At contract inception, the Company determines whether the contract is, or contains, a lease, which exists when the contract conveys the right to control the use of identified property or equipment for a period of time in exchange for consideration. Operating lease balances are included in operating lease ROU assets, operating lease liabilities, and operating lease liabilities, net of current portion in the Company’s consolidated balance sheet. Cash payments arising from operating leases are classified within operating activities in the consolidated statement of cash flows. As of March 31, 2026, the Company had no finance leases. The Company's leases are generally for facilities and office space and the Company recognizes ROU assets and lease liabilities at the lease commencement date for those arrangements. The initial lease liability is equal to the present value of the future lease payments over the lease term. The initial measurement of the ROU asset is equal to the initial lease liability plus any initial direct costs and prepaid lease payments, less any lease incentives. At the lease commencement date, the Company estimates its collateralized incremental borrowing rate based on publicly available yields adjusted for Company-specific considerations and the Company's varying lease terms in determining the present value of future payments. Certain of the Company’s leases contain options to renew or to terminate the lease which are included in the determination of the ROU assets and lease liabilities when it is reasonably certain that the Company will exercise the option. The Company's leases may also include variable lease payments, such as an escalation clause based on consumer price index rates, maintenance costs, and utilities. Variable lease payments that depend on an index or a rate are included in the determination of ROU assets and lease liabilities using the index or rate at the lease commencement date, whereas variable lease-related payments that do not depend on an index or rate are recorded as lease expense in the period incurred. ROU assets are evaluated for impairment in a manner consistent with the treatment of other long-lived assets. The Company elected the short-term lease policy election not to recognize ROU assets and lease liabilities for leases with an initial term of 12 months or less; lease expense from these leases is recognized on a straight-line basis over the lease term. For all material classes of leased assets, the Company elected to apply the practical expedient to not separate lease components from non-lease components, and instead account for both components as a single lease component.
Income Taxes	Income Taxes Income taxes are accounted for under the asset and liability method in accordance with ASC 740 - Accounting for Income Taxes. Deferred tax assets and liabilities are recorded to recognize the expected future tax benefits or costs of events that have been, or will be, reported in different years for financial statement purposes than for tax purposes. Deferred tax assets and liabilities are computed based on the difference between the consolidated financial statement carrying amount and tax basis of assets and liabilities using enacted tax rates and laws for the years in which these items are expected to reverse. If management determines that some portion or all of a deferred tax asset is not “more likely than not” to be realized, a valuation allowance is recorded as a component of the income tax provision to reduce the deferred tax asset to an appropriate level in that period. In determining the need for a valuation allowance, management considers all positive and negative evidence, including historical earnings, projected future taxable income, future reversals of existing taxable temporary differences, taxable income in prior carryback periods, and prudent, feasible tax-planning strategies. If it were to be determined that the Company would be able to realize its deferred income tax assets in the future in excess of its net recorded amount, or that the Company would no longer be able to realize its deferred income tax assets in the future as is currently recorded, the Company would make an adjustment to the valuation allowance which would decrease or increase the provision for income taxes. The Company periodically assesses its tax positions for all periods open to examination by tax authorities based on the latest available information. Those positions are evaluated to determine whether they will more likely than not be sustained upon examination by the Internal Revenue Service (“IRS”) or other taxing authorities. The Company reserves for these uncertain tax positions related to unrecognized income tax benefits where it is not more likely than not that the Company’s tax position will be sustained on examination and settlement with the various taxing authorities. Liabilities for unrecognized tax benefits are measured based on the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement. These unrecognized tax benefits are recorded as a component of income tax expense. As uncertain tax positions in periods open to examination are closed out, or as new information becomes available, the resulting change is reflected in the recorded liability and income tax expense. Penalties and interest recognized related to the reserves for uncertain tax positions are recorded as a component of income tax expense.
Comprehensive Income	Comprehensive Income Comprehensive income is the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner sources, and is presented in the consolidated statements of comprehensive income. Accumulated other comprehensive income as of March 31, 2026 and 2025 consisted of net unrealized gains or losses on the Company’s defined and postretirement benefit plans and unrealized gains or losses on interest rate swaps designated as cash flow hedges.
Stock-Based Compensation	Stock-Based Compensation The Company’s stock-based compensation to employees are classified as equity plans. Compensation expense for all stock-based awards is measured at the grant date fair value and is recognized ratably over the vesting period, net of estimated forfeitures. The Company estimates forfeitures anticipated to occur during the vesting period, and the number of performance awards expected to vest based on service and performance conditions is adjusted at each reporting date.
Defined Contribution Plan and Other Post-Retirement Benefits	Defined Contribution Plan The Company sponsors the Employees’ Capital Accumulation Plan (the “ECAP”), which is a qualified defined contribution plan that covers eligible U.S. and certain employees in foreign jurisdictions. ECAP provides for distributions to participants by reason of retirement, death, disability, or termination of employment. The Company provides an annual matching contribution of up to 6% of eligible annual compensation. Defined Benefit Plans for Post Retirement Benefits The Company provides postretirement healthcare benefits to former officers under a medical indemnity insurance plan, with premiums paid by the Company (the “Officer Medical Plan”), as well as two pension plans for retired officers. The Company recognizes a liability on the consolidated balance sheets within other long-term liabilities for the defined benefit plans' underfunded status, measures the defined benefit plans' obligations that determine its funded status as of the end of the fiscal year, and recognizes the gains and losses and prior service costs and credits as a component of accumulated other comprehensive income for the changes in the defined benefit plans' funded status that are not recognized as components of net periodic benefit cost. The service cost component of net periodic benefit cost is included in cost of revenue and general and administrative expenses, and the non-service cost components of net periodic benefit cost (interest cost and net actuarial loss) are included as part of other income (expense), in the accompanying consolidated statements of operations.
Self-Funded Medical Plans	Self-Funded Medical Plans The Company maintains self-funded medical insurance. Self-funded plans include a Preferred Provider Organization (PPO) and Consumer Driven Health Plans (CDHPs) with a Health Savings Account option and traditional choice plans. Further, self-funded plans also include prescription drug and dental benefits. The Company records an incurred but unreported claim liability in the accrued compensation and benefits line of the consolidated balance sheets for self-funded plans based on an actuarial valuation. The estimate of the incurred but unreported claim liability was provided by a third-party valuation firm, primarily based on claims and participant data for the medical, dental, and pharmacy related costs.
Fair Value Measurements	Fair Value Measurements Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. In determining fair value, the Company considers the principal or most advantageous market in which the asset or liability would transact, and if necessary, considers assumptions that market participants would use when pricing the asset or liability. The accounting standard for fair value measurements establishes a three-tier value hierarchy, which prioritizes the inputs used in measuring fair value as follows: observable inputs such as quoted prices in active markets (“Level 1”); inputs other than quoted prices in active markets that are observable either directly or indirectly (“Level 2”); and unobservable inputs in which there is little or no market data, which requires the Company to develop its own assumptions (“Level 3”). A financial instrument's level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement.
Investments in Variable Interest Entities and Other Investments	Investments in Variable Interest Entities and Other Investments The Company invests in companies both directly and indirectly through venture capital funds that advance or develop new technologies applicable to its business. Each investment is evaluated for consolidation under the variable interest entities model and/or the voting interest model. The Company uses the equity method to account for investments in limited partnerships with greater than minor influence or in entities that it does not control if it is otherwise able to exert significant influence over the entities' operating and financial policies. Equity investments in entities over which the Company does not have the ability to exercise significant influence and whose securities do not have a readily determinable fair value are accounted for under the measurement alternative, where they are subject to fair value adjustments in certain circumstances (e.g. observable price changes or impairment). Realized and unrealized gains or losses on investments are reflected in other income/(expense), on our consolidated statements of operations and investment balances are recorded in other long-term assets on our consolidated balance sheets.
Recently Adopted Accounting Pronouncements and Recent Accounting Pronouncements Not Yet Adopted	Recently Issued Accounting Pronouncements Adopted In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires disclosure of disaggregated information about an entity’s effective tax rate reconciliation as well as information on income taxes paid by jurisdiction. The Company adopted this standard prospectively effective March 31, 2026. The adoption of this ASU affects only the Company’s disclosures, with no impacts to its financial condition or results of operations. Recently Issued Accounting Pronouncements Not Yet Adopted In November 2024, the FASB issued ASU 2024-03, Disaggregation of Income Statement Expenses, which is intended to enhance transparency into the nature and function of certain expenses as specified by the ASU. The guidance does not change the expense captions an entity presents on the face of the income statement; rather, it requires public business entities to provide disaggregated disclosures of certain expense captions in the notes to the financial statements. The ASU is effective for annual periods beginning after December 15, 2026 and interim periods within fiscal years beginning after December 15, 2027, and can be applied retrospectively or prospectively. The Company is currently assessing the impact of this update, however, its adoption will affect only the Company’s disclosures, with no impacts to its financial condition or results of operations. In September 2025, the FASB issued ASU 2025-06, Targeted Improvements to the Accounting for Internal-Use Software, to modernize the accounting for and disclosure of internal-use software costs. The guidance removes all references to project stages, defines the threshold to begin capitalizing costs, and clarifies the disclosure requirements of capitalized software costs. The ASU is effective for annual periods beginning after December 15, 2027, and interim periods within those fiscal years, and can be applied retrospectively, prospectively, or on a modified transition approach. Early adoption is permitted. The Company is currently assessing the impact of this update. Other recent accounting pronouncements issued during fiscal 2026 and through the filing date that have not yet been adopted are not expected to have a material impact on the Company's present or historical consolidated financial statements.

Derivatives (Details)	Mar. 31, 2026 USD ($)
Derivative [Line Items]
Estimated amounts to be reclassified over 12 months	$ 1,000,000
Interest Rate Swap \| Cash Flow Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Notional amount	$ 350,000,000

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share, Basic and Diluted, by Common Class, Including Two Class Method [Line Items]
Earnings for basic computations	$ 845	$ 930	$ 601
Earnings for diluted computations	$ 845	$ 930	$ 601
Weighted-average common stock shares outstanding, basic (in shares)	122,071,669	127,763,166	130,366,501
Dilutive stock options and restricted stock (in shares)	303,482	527,251	449,402
Weighted-average common stock shares outstanding, diluted (in shares)	122,375,151	128,290,417	130,815,903
Earnings per share of common share:
Basic (in dollars per share)	$ 6.92	$ 7.28	$ 4.61
Diluted (in dollars per share)	$ 6.90	$ 7.25	$ 4.59
Cash dividends paid	$ 276	$ 268	$ 254
Restricted Stock
Earnings per share of common share:
Unvested shares participating in the payment of the company's dividends declared (in shares)	900,000	700,000	1,100,000
Cash dividends paid	$ 2	$ 1	$ 2
Undistributed earnings (loss) allocated to participating securities, basic	4	4	3
Undistributed earnings (loss) allocated to participating securities, diluted	$ 4	$ 4	$ 3

Debt - Schedule of Redemption (Details) - Senior Notes	12 Months Ended
Debt - Schedule of Redemption (Details) - Senior Notes	Mar. 31, 2026
Senior Notes due 2035 \| Period One \| Principal Being Redeemed, Less Accrued Interest
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2035 \| Period One \| Principal Amount Being Redeemed
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2035 \| Period Two
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2033 \| Period One \| Principal Being Redeemed, Less Accrued Interest
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2033 \| Period One \| Principal Amount Being Redeemed
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2033 \| Period Two
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2029 \| Period One
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	102.00%
Senior Notes due 2029 \| Period Two
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	101.00%
Senior Notes due 2029 \| Period Three
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%
Senior Notes due 2028 \| Period One
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.969%
Senior Notes due 2028 \| Period Two
Debt Instrument [Line Items]
Redemption of principal amount (as a percent)	100.00%

Stockholders’ Equity - Schedule of Dividends Declared (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Equity [Abstract]
Recurring dividends	$ 276	$ 268	$ 254

Supplemental Consolidated Financial Information - Schedule of Severance and Related Charges (Details) $ in Millions	12 Months Ended
	Mar. 31, 2026 USD ($)
Restructuring Cost and Reserve [Line Items]
Total severance and related charges	$ 61
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Total severance and related charges	46
General and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total severance and related charges	$ 15

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.