v3.25.2
Net Income Per Common Share - Calculations for Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Numerator:        
Net income—basic and diluted $ 685 $ 312 $ 595 $ 1,067
Denominator:        
Basic weighted-average common shares outstanding (in shares) 156.3 156.3 156.4 156.6
Diluted weighted-average shares 157.8 157.5 157.8 157.7
Earnings (loss) per share:        
Basic (in USD per share) $ 4.38 $ 1.99 $ 3.81 $ 6.82
Diluted (in USD per share) $ 4.34 $ 1.98 $ 3.77 $ 6.77
Number of anti-dilutive stock-based awards (in shares) 0.3 1.2 0.4 1.3
Stock Options        
Denominator:        
Effect of stock-based awards (in shares) 0.9 0.7 1.0 0.7
Nonvested shares        
Denominator:        
Effect of stock-based awards (in shares) 0.6 0.5 0.4 0.4