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Stockholders' Equity (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Treasury stock, acquired (in shares) 12.2 8.4
Payments for repurchase of common stock $ 449.2 $ 299.8
Value of treasury stock acquired 449.2 299.8
Performance-based Restricted Stock Units    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Value of treasury stock acquired 45.6 $ 13.3
February 2016 Program    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Remaining shares under share repurchase authorization $ 951.5