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Equity - Restricted Stock Units (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Other disclosures        
Share-based payments subject to redemption $ 60 $ 55 $ 48 $ 36
RSUs | Employee        
Share-based compensation        
Vesting terms 3 years      
Number of Restricted Shares (in thousands)        
Non-vested at the beginning of the period (in shares) 552      
Granted (in shares) 213      
Vested (in shares) (180)      
Cancelled (in shares) (47)      
Non-vested at the end of the period (in shares) 538 552    
Weighted Average Fair Value per Share        
Non-vested at the beginning of the period (in dollars per share) $ 92.05      
Granted (in dollars per share) 109.04      
Vested (in dollars per share) 87.75      
Cancelled (in dollars per share) 95.84      
Non-vested at the end of the period (in dollars per share) $ 99.58 $ 92.05    
Other disclosures        
Fair value of awards vested during the year $ 16 $ 12 $ 12  
Unrecognized compensation cost $ 19      
Weighted-average period for amortization of unrecognized compensation cost 1 year 8 months 12 days      
Share-based payments subject to redemption $ 32 $ 28