XML 105 R91.htm IDEA: XBRL DOCUMENT v3.22.4
Employee Benefits - Stock Options (Details) - Stock options - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Shares (in millions)      
Outstanding, beginning balance (in shares) 16.8    
Granted (in shares) 4.1    
Forfeited (in shares) (0.6)    
Expired (in shares) (2.5)    
Exercised (in shares) (3.5)    
Outstanding, beginning balance (in shares) 14.4 16.8  
Exercisable (in shares) 7.9    
Expected to vest, net of estimated forfeitures (in shares) 6.2    
Weighted- Average Exercise Price (in dollars)      
Outstanding, beginning balance (in dollars per share) $ 70.60    
Granted (in dollars per share) 58.59    
Forfeited (in dollars per share) 62.84    
Expired (in dollars per share) 82.37    
Exercised (in dollars per share) 61.11    
Outstanding, ending balance (in dollars per share) 67.69 $ 70.60  
Exercisable (in dollars per share) 72.32    
Expected to vest, net of estimated forfeitures (in dollars per share) $ 62.16    
Weighted-Average Remaining Contractual Term (years)      
Outstanding 6 years 7 months 9 days    
Exercisable 5 years    
Expected to vest, net of estimated forfeitures $ 146    
Aggregate Intrinsic Value (in millions)      
Outstanding 271    
Exercisable $ 115    
Expected to vest, net of estimated forfeitures 8 years 6 months 18 days    
Weighted average grant date fair value (in dollars per share) $ 9.08 $ 10.05 $ 11.69
Intrinsic value of options exercised $ 59 $ 48 $ 179