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Acquisitions and Divestitures - Divestitures (Details) - USD ($)
$ in Millions
1 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2022
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2022
Business Acquisition [Line Items]        
Proceeds from sale of businesses, net of cash sold   $ 13 $ 0  
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Health Care | Subsequent Event        
Business Acquisition [Line Items]        
Ownership interest after spinoff (as a percent) 19.90%      
Forecast | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff        
Business Acquisition [Line Items]        
Proceeds from sale of businesses, net of cash sold       $ 1,000
Forecast | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | NEOGEN Corporation        
Business Acquisition [Line Items]        
Ownership interest after spinoff (as a percent)       49.90%
Forecast | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Shareholders Of Three M        
Business Acquisition [Line Items]        
Ownership interest after spinoff (as a percent)       50.10%