v3.26.1
Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator: (Millions of Dollars)        
Net Income (Loss) Attributable to Stockholders $ (92) $ 72 $ (29) $ (63)
Denominator: (Thousands)        
Weighted-Average Number of Common Shares Outstanding - Basic (in shares) 45,904 45,554 45,759 45,699
Weighted-Average Number of Common Shares Outstanding - Diluted (in shares) 45,904 47,905 45,759 45,699
Earnings per Share - Basic (in dollars per share) $ (2.00) $ 1.58 $ (0.63) $ (1.38)
Earnings per Share - Diluted (in dollars per share) $ (2.00) $ 1.50 $ (0.63) $ (1.38)
Restricted stock units        
Denominator: (Thousands)        
Stock units (in shares) 0 257 0 0
Performance stock units        
Denominator: (Thousands)        
Stock units (in shares) 0 2,095 0 0