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Intangible Assets and Goodwill - Narrative (Details) - USD ($) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Jul. 02, 2024 | Sep. 30, 2023
Goodwill [Line Items] |  |  |  |  |
Amortization and impairment of acquired intangible assets | $ 111,800,000 | $ 78,300,000 |  |  |
Impairment of intangible assets |  | $ 0 |  |  |
Accumulated impairment losses related to goodwill | $ 0 |  |  |  |
Minimum |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Estimated life (in years) | 2 years |  |  |  |
Maximum |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Estimated life (in years) | 31 years |  |  |  |
Acquired and in-licensed rights and patents |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Weighted-Average remaining useful life | 12 years |  |  |  |
Reata Pharmaceuticals, Inc | Priority review voucher |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Intangible assets: |  |  |  |  | $ 100,000,000
Human Immunology Biosciences |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Intangible assets: |  |  |  | $ 1,600,000,000 |
Human Immunology Biosciences | In-process research and development |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Intangible assets: | $ 1,600,000,000 |  | $ 1,600,000,000 |  |

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