Divestitures - 2022 Divestitures (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022
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%
Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations | Food Safety Division
Business Acquisition [Line Items]
Pre-tax gain on divestitures	$ 2,700
Aggregate consideration	2,800
Value of shares exchanged	1,000
Value of shares exchanged, net of adjustments	828
Value of common shares	$ 2,000
Reduction of outstanding shares	16,000,000
Special cash payment received	$ 478
Value of noncash debt exchange	$ 350