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Collaborative Arrangements - AstraZeneca PLC - Narrative (Details) - Lynparza - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2022
Other Intangible Assets | Licenses and Other |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Finite-lived intangible assets | $ 1,400 |  |
AstraZeneca | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Probable contingent payments |  |  | $ 600
Liabilities |  |  | $ 600
Eligible future contingent sales-based milestone payments (up to) | 2,100 |  |
Regulatory milestone payments | 245 | $ 105 |
Eligible future contingent regulatory milestone payments (up to) | $ 650 |  |

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