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Divestitures (Details) - USD ($) shares in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 31, 2023 | Sep. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Apr. 01, 2024
Business Acquisition [Line Items] |  |  |  |  |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Gain on business divestitures |  |  |
Value of common shares |  |  |  | $ 1,988 |
NEOGEN Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership interest (as a percent) |  | 50.10% |  |  |
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Health Care Segment |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership interest of outstanding shares ( as a percent) |  |  |  |  | 80.10%
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Dental Local Anesthetic Business |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Aggregate consideration | $ 60 |  |  |  |
Annual sales | $ 30 |  |  |  |
Pre-tax gain on divestitures |  |  | $ 36 |  |
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations | Food Safety Division |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Aggregate consideration |  | $ 2,800 |  |  |
Pre-tax gain on divestitures |  | 2,700 |  |  |
Value of shares exchanged |  | 1,000 |  |  |
Value of shares exchanged, net of adjustments |  | 828 |  |  |
Value of common shares |  | $ 2,000 |  |  |
Reduction of outstanding shares (in shares) |  | 16 |  |  |
Special cash payment received |  | $ 478 |  |  |
Value of noncash debt exchange |  | $ 350 |  |  |

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