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Share-Based Compensation Plans - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value of RSUs and restricted stock vested in period $ 104 $ 87 $ 99
Stock option awards outstanding (in shares) 700    
Stock option awards exercisable (in shares) 300    
Weighted-average exercise price of stock options outstanding (in dollars per share) $ 82.12    
Weighted-average exercise price of stock options exercisable (in dollars per share) $ 59.05    
Weighted average remaining contractual lives of stock options outstanding 5 years 3 months 18 days    
Weighted average remaining contractual lives of stock options exercisable 2 years 10 months 24 days    
Intrinsic value of stock options outstanding $ 0    
Intrinsic value of stock options exercisable $ 0    
RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards granted (in shares) 3,000    
Award vesting period 2 years    
Number of days used to compute performance period average closing price of restricted stock units 20 days    
Liabilities related to share based payments $ 7    
Payment related to share-based liabilities $ 29 $ 26 $ 41
RSUs | Share-based Payment Arrangement, Tranche One      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 25.00%    
RSUs | Share-based Payment Arrangement, Tranche Two      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 25.00%    
RSUs | Share-based Payment Arrangement, Tranche Three      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 25.00%    
RSUs | Share-based Payment Arrangement, Tranche Four      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 25.00%    
Time-Vested RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards granted (in shares) 1,000    
Performance-Based RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Awards granted (in shares) 2,000    
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options granted (in shares) 0 0 307
Percentage of premium of the grant date fair market value     25.00%
Weighted-average grant date exercise price of stock options granted (in dollars per share)     $ 110.21