v3.26.1
Earnings 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, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings (loss) per share:        
Net income (loss) $ 28 $ 3 $ 73 $ (170)
Weighted average number of shares outstanding 52.1 52.1 52.1 51.9
Basic earnings per share from net income (loss) $ 0.54 $ 0.07 $ 1.40 $ (3.27)
Diluted earnings (loss) per share:        
Net income (loss) $ 28 $ 3 $ 73 $ (170)
Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract]        
Weighted average number of shares outstanding 52.1 52.1 52.1 51.9
Restricted stock 0.1 0.1 0.2 0.0
Total shares and dilutive securities 52.2 52.2 52.3 51.9
Diluted earnings per share from net income (loss) $ 0.54 $ 0.07 $ 1.40 $ (3.27)
Restricted stock shares with anti-dilutive effect excluded from the computation of diluted earnings per share 0.0 0.0 0.0 0.1