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Acquisitions - Acquisition-related and Restructuring Charges (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restructuring charges      
Restructuring charges $ 41.1 $ 42.6 $ 62.2
DuPont Crop Restructuring      
Restructuring charges      
Restructuring charges 16.7 40.2 26.4
DuPont      
DuPont Crop Protection Business Acquisition      
Acquisition-related costs 0.4 53.3 77.8
DuPont | Legal and Professional Fees      
DuPont Crop Protection Business Acquisition      
Acquisition-related costs $ 0.4 $ 53.3 $ 77.8