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Capital Stock, Dividends and Common Stock Repurchase Program - Stock (Detail)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended
Dec. 31, 2022
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Capital Stock, Dividends and Common Stock Repurchase Program        
Common stock, shares authorized | shares 1,500,000,000 1,500,000,000 1,500,000,000  
Common stock, par value $ 0.01 $ 0.01 $ 0.01  
Common shares outstanding (in shares) | shares 407,900,000 407,900,000 416,100,000 422,800,000
Preferred stock shares authorized | shares 10,000,000 10,000,000    
Preferred stock par value per share $ 0.01 $ 0.01    
Preferred stock shares outstanding | shares 0 0    
Cash dividends | $   $ 1,077 $ 970 $ 927
Cash dividends declared and paid per common share   $ 2.60 $ 2.30 $ 2.18
Quarterly common stock dividend per share 0.65      
Expected quarterly common stock dividend per share $ 0.70