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Stockholders' Equity - Repurchases of Common Stock (Details) - USD ($)
$ / shares in Units, shares in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Mar. 31, 2016
Class of Stock [Line Items]          
Shares repurchased and retired (in shares) 19 8 22    
Amount $ 1,396,000,000 $ 546,000,000 $ 1,583,000,000    
Average price per share (in dollars per share) $ 73.77 $ 66.58 $ 70.64    
2020 stock repurchase program          
Class of Stock [Line Items]          
Stock repurchase program, authorized amount       $ 5,000,000,000  
Stock repurchase program, remaining authorized amount $ 4,900,000,000        
2016 stock repurchase program          
Class of Stock [Line Items]          
Stock repurchase program, authorized amount         $ 12,000,000,000