v3.22.0.1
Employee Compensation and Benefit Plans - Stock Options (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Grant-date fair value of share-based incentive compensation awards $ 163    
Predecessor Plans      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding and exercisable, beginning (in shares) 918,695    
Exercised (in shares) (218,495)    
Expired/canceled (in shares) (4,356)    
Outstanding and exercisable, ending (in shares) 695,844 918,695  
Exercisable (in shares) 695,844    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Outstanding and exercisable, beginning (usd per share) $ 51.77    
Exercised (usd per share) 48.02    
Expired/canceled (usd per share) 40.74    
Outstanding and exercisable, ending (usd per share) 53.01 $ 51.77  
Exercisable (usd per share) $ 53.01    
Weighted Average Remaining Contractual Term (Years), Outstanding 3 years 3 months 18 days 4 years  
Weighted Average Remaining Contractual Term (Years), Exercisable 3 years 3 months 18 days    
Proceeds from exercise of stock options $ 10 $ 48 $ 1