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Equity - Performance Shares (Details)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
metric
tranche
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
Share-based compensation        
Share-based payments subject to redemption $ 48 $ 36 $ 30 $ 31
Performance Shares        
Share-based compensation        
Number of tranches | metric 2      
Granted (in shares) | shares 86 108 81  
Weighted-average fair value per share, Granted (in dollars per share) | $ / shares $ 138.85 $ 100.29 $ 94.48  
Cancelled (in shares) | shares 2,000      
Unrecognized compensation cost $ 8      
Remaining requisite service period (in years) 1 year 8 months 12 days      
Share-based payments subject to redemption $ 20 $ 11    
Performance shares, vesting based on TSR        
Share-based compensation        
Vesting terms 3 years      
Percentage of share-based compensation award 50.00%      
Performance shares calculation period 3 years      
Performance shares, vesting based on TSR | Maximum        
Share-based compensation        
Performance shares available for vesting (as a percent) 200.00%      
Performance shares, vesting based on Adjusted ROIC        
Share-based compensation        
Vesting terms 3 years      
Percentage of share-based compensation award 50.00%      
Performance shares calculation period 3 years      
Performance shares, vesting based on Adjusted ROIC | Minimum        
Share-based compensation        
Performance shares available for vesting (as a percent) 0.00%      
Performance shares, vesting based on Adjusted ROIC | Maximum        
Share-based compensation        
Performance shares available for vesting (as a percent) 200.00%      
2021 Awards | Performance Shares        
Share-based compensation        
Number of tranches | tranche 2      
2021 Awards | Performance shares, vesting based on Adjusted ROIC        
Share-based compensation        
Performance shares available for vesting (as a percent) 100.00%      
2019 Awards | Performance Shares        
Share-based compensation        
Award pay out achieved (as a percent) 0.00%      
2020 Awards | Performance Shares        
Share-based compensation        
Estimated pay out (as a percent) 75.00%