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Income Taxes - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]      
Paid income taxes $ 2,150,000,000 $ 276,000,000  
Transferable tax credit 136,000,000 33,000,000  
Income tax refunds     $ 45,000,000
Current income tax payable 531,000,000 91,000,000  
Valuation allowance 68,000,000 69,000,000  
Unrecognized tax benefits, income tax penalties expense 0 (4,000,000) 0
Unrecognized tax benefits, income tax penalties accrued 3,000,000 3,000,000  
Unrecognized tax benefits, interest (benefit) expense (3,000,000) (2,000,000) $ 7,000,000
Unrecognized tax benefits, interest on income taxes accrued $ 12,000,000 $ 15,000,000