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Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Net income $ 466 $ 703
Dividend equivalent payments, basic (1) 0
Dividend equivalent payments, diluted 0 0
Income available to common stockholders, basic 465 703
Income available to common stockholders, diluted $ 466 $ 703
Weighted-average shares outstanding (in shares) 227.7 239.3
Dilutive effect of outstanding options and share-settled awards (in shares) 0.6 0.9
Adjusted weighted-average shares outstanding (in shares) 228.3 240.2
Basic (in dollars per share) $ 2.04 $ 2.94
Diluted (in dollars per share) $ 2.04 $ 2.93