v3.25.4
Income Taxes - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Contingency [Line Items]      
Eligible tax credits purchased   $ 485,000,000 $ 262,000,000
Payments to counterparties   551,000,000 196,000,000
Decrease in valuation allowance $ 23,000,000    
Temporary difference resulting from investment book basis exceeding tax basis 1,766,000,000    
Unrecognized tax benefits that if recognized would affect our effective tax rate 87,000,000 87,000,000 100,000,000
Accrued liabilities for interest and penalties 1,000,000 1,000,000 8,000,000
Increase (decrease) in net income (loss) related to income tax penalties and interests accrued 0 7,000,000 (1,000,000)
Income tax (benefit) expense reflected in the capital in excess of par column of the consolidated statement of equity 47,000,000 $ 14,000,000 $ 113,000,000
United States      
Income Tax Contingency [Line Items]      
Deferred tax assets, tax credit carryforwards, foreign 150,000,000    
State and Local Jurisdiction      
Income Tax Contingency [Line Items]      
Deferred tax assets, operating loss carryforwards, state 49,000,000    
United Kingdom      
Income Tax Contingency [Line Items]      
Deferred tax assets, operating loss carryforwards, foreign $ 10,000,000