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Share-Based Payments - Share-Based Compensation Expense Included In Statements Of Income (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 26, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Share-based Compensation Expense included in consolidated statements of income |  |  |  |  |
Share-based compensation expense |  | $ (75.0) | $ (64.8) | $ (224.0) | $ (217.8)
Subtotal |  | 131.1 | 452.0 | 275.4 | 609.7
Capitalized share-based compensation costs |  | (2.4) | (2.6) | (8.0) | (8.5)
Share-based compensation expense included in total costs and expenses |  | 128.7 | 449.4 | 267.4 | 601.2
Income tax effect |  | (24.2) | (98.5) | (50.5) | (126.5)
Selling, General and Administrative Expense |  | 588.4 | 788.2 | 1,723.7 | 1,941.2
Reata Pharmaceuticals, Inc |  |  |  |  |
Share-based Compensation Expense included in consolidated statements of income |  |  |  |  |
Share-based compensation expense |  | 0.0 | 387.0 | 0.0 | 387.0
Operating expenses | $ 393.4 |  |  |  |
Selling, General and Administrative Expense | 196.4 |  |  |  |
Research and development expense asset acquired | $ 197.0 |  |  |  |
Research and development |  |  |  |  |
Share-based Compensation Expense included in consolidated statements of income |  |  |  |  |
Share-based compensation expense |  | 69.8 | 217.1 | 124.5 | 276.3
Selling, general and administrative |  |  |  |  |
Share-based Compensation Expense included in consolidated statements of income |  |  |  |  |
Share-based compensation expense |  | 61.3 | 234.9 | 150.9 | 333.4
Total share-based compensation expense, net of tax |  |  |  |  |
Share-based Compensation Expense included in consolidated statements of income |  |  |  |  |
Share-based compensation expense |  | $ 104.5 | $ 350.9 | $ 216.9 | $ 474.7

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