v3.25.2
Equity and Earnings (Loss) Per Share - Computation of 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
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Numerator:            
Net income (loss), basic and diluted $ (35) $ (18) $ 70 $ 65 $ (53) $ 135
Denominator:            
Basic weighted average common shares (in shares) 30.0   28.4   29.2 28.3
Stock options, RSUs and PSUs (in shares) 0.0   0.1   0.0 0.1
Weighted average shares used to calculate diluted earnings per share (in shares) 30.0   28.5   29.2 28.4
Earnings (loss) per share:            
Basic (in USD per share) $ (1.17)   $ 2.46   $ (1.82) $ 4.77
Diluted (in USD per share) $ (1.17)   $ 2.46   $ (1.82) $ 4.75
Antidilutive RSUs and PSUs            
Earnings (loss) per share:            
Antidilutive RSUs and PSUs (in shares) 0.2   0.0   0.2 0.0