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Other (Income) Expense, Net - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Interest paid |  | $ 849 | $ 822
Daiichi Sankyo | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Upfront cash payment | $ 170 |  |

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