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Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant date intrinsic value (in dollars per share) $ 59  
Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 608,000 663,000
Granted (in dollars per share) $ 59 $ 57
Unrecognized compensation expense $ 21 $ 18
Weighted average remaining vesting period (in years) 2 years 2 years
Total market value (at the vesting date) of stock award shares $ 20 $ 8
Forfeited (in shares) 16,000 16,000
Performance restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Period for recognition 3 years  
Performance restricted stock units | LTIP Program    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 92,000 85,000
Granted (in dollars per share) $ 55 $ 53
Shares issued in period (in shares) 168,000 105,000
Forfeited (in shares) 0 0
Long-term stock awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average remaining vesting period (in years) 1 year 2 years
Total market value (at the vesting date) of stock award shares $ 21 $ 28
Forfeited (in shares) 10,000 18,000
Unrecognized compensation expense $ 4 $ 12
Share-based Payment Arrangement, Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted average remaining vesting period (in years) 2 years 2 years
Total unrecognized compensation expense $ 2 $ 4