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Financial Guarantees and Warranties - Expirations of Financial Guarantees (Details) $ in Millions | 12 Months Ended
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Mar. 31, 2025 USD ($)
Financial Guarantees And Warranties [Abstract] |
Fiscal 2026 | $ 111
Fiscal 2027 | 233
Fiscal 2028 | 7
Fiscal 2029 | 3
Fiscal 2030 | 6
Thereafter | $ 35

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