v3.25.4
Income Taxes - Schedule of Reconciliation of Statutory Tax Rate to Effective Income Tax Rate, Amount and Percent (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Amount      
U.S. federal statutory tax rate $ 1,401    
State and local income taxes, net of federal income tax effect 78    
State and local income taxes, net of federal income tax effect 10    
Statutory tax rate difference between Bermuda and U.S. (1,272)    
Anticipatory foreign tax credit (99)    
Bermuda foreign tax credit (664)    
Effect of cross-border tax laws 1,062    
Subpart F income 415    
U.S. tax on foreign insurance 953(d) income 730    
Other (83)    
Tax credits (25)    
Nontaxable or nondeductible items (58)    
Impact of equity-based compensation (70)    
Nondeductible executive compensation 58    
Insurance company owned life insurance (32)    
Changes in unrecognized tax benefits 8    
Other adjustments 5    
Investment tax credits accounted for under the proportional amortization method (40)    
Purchase of transferable credits (35)    
Total Income Tax Provision (Benefit) $ 1,276 $ 1,062 $ (923)
Percentage      
U.S. federal statutory tax rate 21.00% 21.00% 21.00%
State and local income taxes, net of federal income tax effect 1.20% 0.50% 1.20%
State and local income taxes, net of federal income tax effect 0.20%    
Change in valuation allowance   0.60% (1.30%)
Statutory tax rate difference between Bermuda and U.S. (19.10%) (2.60%) (31.00%)
Anticipatory foreign tax credit (1.50%)    
Bermuda foreign tax credit (10.00%)    
Effect of cross-border tax laws 15.90%    
Subpart F income 0.062    
U.S. tax on foreign insurance 953(d) income 11.00%    
Other (1.30%)    
Tax credits (0.40%) (0.50%) (0.60%)
Nontaxable or nondeductible items (0.90%)    
Income passed through to non-controlling interests   (3.50%) (4.60%)
Impact of equity-based compensation (1.10%) (1.00%) 1.00%
Nondeductible executive compensation 0.90%    
Insurance company owned life insurance (0.50%)    
Changes in unrecognized tax benefits 0.10%    
Other adjustments 0.10% (0.30%) (1.00%)
Investment tax credits accounted for under the proportional amortization method (0.60%)    
Purchase of transferable credits (0.50%)    
Effective tax rate 19.10% 14.30% (16.50%)
United States      
Amount      
Changes in valuation allowances $ 77    
Income passed through to non-controlling interests (14)    
Other adjustments $ 80    
Percentage      
Change in valuation allowance 1.20%    
Income passed through to non-controlling interests (0.20%)    
Other adjustments 1.20%    
State      
Amount      
Changes in valuation allowances $ 68    
Percentage      
Change in valuation allowance 1.00%    
Bermuda      
Amount      
Statutory tax rate difference between Bermuda and U.S. $ (441)    
Income passed through to non-controlling interests $ (105)    
Percentage      
Statutory tax rate difference between Bermuda and U.S. (6.60%)    
Income passed through to non-controlling interests (1.60%)    
Other foreign jurisdictions      
Amount      
Statutory tax rate difference between Bermuda and U.S. $ 37    
Percentage      
Statutory tax rate difference between Bermuda and U.S. 0.60%