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Equity - Summary of Capital Stock Activity (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Equity [Abstract]        
Common stock, shares issued (in shares) 185,983,792 185,983,792 185,983,792 185,983,792
Treasury Stock [Roll Forward]        
Treasury stock, shares, beginning (in shares) 56,630,209 56,859,498 53,702,178  
Stock options and awards (in shares) (300,594) (677,827) (1,563,307)  
Repurchases of common stock, net (in shares) 3,954,698 448,538 4,720,627  
Treasury stock, shares, ending (in shares) 60,284,313 56,630,209 56,859,498