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 |
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- Definition Deferred Tax Assets, Net Operating Loss & Capital Loss Carryforwards No definition available.
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- Definition Deferred Tax Assets, Operating Lease, Liability No definition available.
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- Definition Deferred Tax Assets, Research And Development Expenditures And Indirect Effects No definition available.
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- Definition Deferred Tax Assets, Tax Credit Carryforwards, State No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from unbilled current accounts receivable. No definition available.
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- Definition Deferred Tax Liabilities, Operating Lease, Right-of-Use Asset No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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