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Stock-Based Compensation - Deferred Stock Units (DSUs) (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Stock-Based Compensation      
Participant right to receive common stock at end of deferral period (in shares) 1    
DSUs      
Units      
Balance outstanding at the beginning of the period (in shares) 443,287    
Granted (in shares) 46,617    
Converted to Common Stock (in shares) (112,784)    
Balance outstanding at the end of the period (in shares) 377,120 443,287  
Weighted Average Grant Date Fair Value per Unit      
Balance outstanding at the beginning of the period, (in usd per share) $ 29.07    
Granted (in usd per share) 76.31 $ 34.40 $ 45.49
Converted to Common Stock (in usd per share) 30.73    
Balance outstanding at the end of the period (in usd per share) $ 33.91 $ 29.07  
Aggregate intrinsic value for DSUs outstanding $ 34 $ 23 $ 13
Aggregate intrinsic values for DSUs converted to common stock during the period $ 10 $ 3 $ 1
Weighted average grant date fair value (in usd per share) $ 76.31 $ 34.40 $ 45.49