v3.25.4
Income Taxes - Components of Income Tax (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]      
United States $ 1,356 $ 838 $ 1,139
Canada 45 131 232
INCOME FROM CONTINUING OPERATIONS BEFORE TAX 1,401 969 1,371
Current income tax expense/(benefit):      
Current State and Local Tax Expense (Benefit) 2 2 2
Canadian federal and provincial income and withholding taxes (1) 80 68
Total current income tax expense 1 82 70
Deferred income tax expense/(benefit):      
Canadian federal and provincial income and withholding taxes 14 5 (9)
Total deferred income tax expense/(benefit) 14 5 (9)
Total income tax expense $ 15 $ 87 $ 61