v3.26.1
Variable Interest Entities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Variable Interest Entity [Line Items]    
Total VIE Assets $ 85,179 $ 79,241
Variable Interest Entity, Not Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total VIE Assets 493 576
Remaining Coverage, Amount 198  
Variable Interest Entity, Not Primary Beneficiary | 2021-3 Ltd. (Sep-21)    
Variable Interest Entity [Line Items]    
Total VIE Assets 20 21
Remaining Coverage, Amount [1] 9  
Variable Interest Entity, Not Primary Beneficiary | 2022-1 Ltd. (Jan-22)    
Variable Interest Entity [Line Items]    
Total VIE Assets 42 42
Remaining Coverage, Amount [1] 10  
Variable Interest Entity, Not Primary Beneficiary | 2022-2 Ltd. (Sep-22)    
Variable Interest Entity [Line Items]    
Total VIE Assets 43 43
Remaining Coverage, Amount [1] 81  
Variable Interest Entity, Not Primary Beneficiary | 2023-1 Ltd. (Oct-23)    
Variable Interest Entity [Line Items]    
Total VIE Assets 122 149
Remaining Coverage, Amount [1] 31  
Variable Interest Entity, Not Primary Beneficiary | 2024-1 Ltd. (Aug-24)    
Variable Interest Entity [Line Items]    
Total VIE Assets 94 130
Remaining Coverage, Amount [1] 24  
Variable Interest Entity, Not Primary Beneficiary | Bellemeade Re 2025-1 Ltd    
Variable Interest Entity [Line Items]    
Total VIE Assets 172 $ 191
Remaining Coverage, Amount [1] $ 43  
[1] Coverage from a separate panel of reinsurers remaining at June 30, 2026.