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Inventory - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Sep. 26, 2023
Inventory [Line Items] |  |  |  |  |
Net income | $ 583.6 | $ 593.3 | $ 977.0 | $ 980.9 |
Cost of sales, excluding amortization and impairment of acquired intangible assets | 546.0 | $ 592.7 | 1,088.2 | $ 1,255.5 |
Reata Pharmaceuticals, Inc |  |  |  |  |
Inventory [Line Items] |  |  |  |  |
Inventory | 1,259.0 |  | 1,259.0 |  | $ 1,300.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Amortization Period |  |  |  |  | 3 years
Reata Pharmaceuticals, Inc | Fair Value Adjustment to Inventory |  |  |  |  |
Inventory [Line Items] |  |  |  |  |
Net income | $ (90.1) |  | $ (134.2) |  |

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