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Stock Based Compensation - Narrative (Details)
shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares authorized (in shares) 43,000    
Capital shares reserved for future issuance (in shares) 18,600    
Adjustment in share-based awards due to separation, ratio 1.20   1.20
Shares withheld to satisfy tax requirement (in shares) 252    
Aggregate value of shares withheld to satisfy tax requirement | $ $ 17    
Excess tax benefit from share-based compensation | $ $ 10 $ 13 $ 10
Unrecognized compensation costs, period for recognition 2 years    
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period 10 years    
Stock options | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Stock options | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 5 years    
Restricted Stock Units (RSUs) | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Restricted Stock Units (RSUs) | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 5 years    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 5 years    
Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance period 3 years    
Holding period 2 years