Income Taxes - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| 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 | ||
| X | ||||||||||
- Definition Increase (Decrease) In Income Tax Reserves No definition available.
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- Definition Liability For Uncertainty In Income Taxes No definition available.
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- Definition Unrecognized Tax Benefits That Impact Deferred Tax Liabilities No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates. 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 operating loss carryforwards that are subject to expiration dates. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards. 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 research tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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