Income Taxes - Schedule of Changes in Gross Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Unrecognized Tax Benefits [Roll Forward] | |||
| Gross unrecognized tax benefits—April 1 | $ 101 | $ 83 | $ 62 |
| Gross increases—tax positions in prior period | 88 | 0 | 5 |
| Gross decreases—tax positions in prior period | (12) | (11) | (1) |
| Gross increases—tax positions in current period | 23 | 31 | 19 |
| Settlements | 0 | (2) | 0 |
| Lapse of statute of limitations | 0 | 0 | (1) |
| Foreign exchange | 0 | 0 | (1) |
| Gross unrecognized tax benefits— March 31 | $ 200 | $ 101 | $ 83 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from foreign currency translation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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