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Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Net income (loss) $ 393.7 $ 3,133.9 $ 259.2 $ 3,477.1
Subtract:        
Net income (loss) attributable to noncontrolling interest 4.9 15.2 10.5 19.7
Total net income (loss), basic 388.8 3,118.7 248.7 3,457.4
Total net income (loss), diluted $ 388.8 $ 3,118.7 $ 248.7 $ 3,457.4
Weighted-average shares outstanding:        
Basic 242.7 252.6 243.1 256.0
Dilutive effects:        
Diluted 245.5 256.3 246.4 260.0
Net income (loss) per common share:        
Basic $ 1.60 $ 12.35 $ 1.02 $ 13.50
Diluted $ 1.58 $ 12.17 $ 1.01 $ 13.30
Nonqualified Stock Options        
Dilutive effects:        
Stock-based compensation awards 0.7 1.4 0.9 1.5
Restricted Stock Units        
Dilutive effects:        
Stock-based compensation awards 1.8 1.9 2.0 2.0
Performance Share Awards        
Dilutive effects:        
Stock-based compensation awards 0.3 0.4 0.4 0.5