Leases - Schedule of Contractual Maturities of Lease Liabilities (Details) - USD ($) $ in Millions |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|
| Disclosure Of Contractual Maturities Of Lease Liabilities [Line Items] | ||
| Total | $ 1,050 | $ 1,111 |
| Less Than 1 Year | ||
| Disclosure Of Contractual Maturities Of Lease Liabilities [Line Items] | ||
| Total | 290 | 258 |
| One to five years | ||
| Disclosure Of Contractual Maturities Of Lease Liabilities [Line Items] | ||
| Total | 608 | 734 |
| More than five years | ||
| Disclosure Of Contractual Maturities Of Lease Liabilities [Line Items] | ||
| Total | $ 152 | $ 119 |