Leases - Supplemental Cashflow Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Leases [Abstract] | |||
| Operating Lease, Payments | $ 67 | $ 65 | $ 72 |
| Finance Lease, Principal Payments | 6 | 8 | 8 |
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | 4 | 11 | 6 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 22 | $ 11 | $ 28 |
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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