v3.25.3
Income Taxes - Reconciliation of income tax benefit (expense) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Income Taxes            
U.S. federal income tax rate         21.00% 21.00%
Reconciliation of income tax (expense) benefit            
Computed expected tax benefit (expense)         $ (20) $ (14)
State and local income taxes, net of federal income taxes         (7) (6)
Executive compensation         (1) (3)
Stock compensation         0 (1)
Non-deductible expenses         0 (4)
Federal income tax credits         2 3
Other, net         (1) 1
Income tax (expense) benefit $ 110 $ (8) $ 82 $ (22) $ (27) $ (24)