Royalties and Licenses - Schedule Of Royalty-Related Liabilities (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Royalty-Related Liabilities [Line Items] | ||
| Royalty-related liabilities | $ 221 | $ 235 |
| Accounts Payable and Accrued Liabilities | ||
| Royalty-Related Liabilities [Line Items] | ||
| Royalty-related liabilities | 221 | 226 |
| Other liabilities | ||
| Royalty-Related Liabilities [Line Items] | ||
| Royalty-related liabilities | $ 0 | $ 9 |