v3.26.3
Investments - Rollforward of changes in allowance for credit losses on available for sale fixed maturity securities by major investment category (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period $ 160 $ 91 $ 130 $ 119
Additions:        
Securities for which allowance for credit losses were not previously recorded 24 46 148 129
Reductions:        
Securities sold during the period (28) (3) (33) (14)
Additional net increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period, for which there was no intent to sell before recovery, amortized cost basis 9 0 22 (10)
Write-offs charged against the allowance (20) (25) (122) (115)
Other 0 4 0 4
Balance, end of period 145 113 145 113
Structured        
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period 37 18 36 33
Additions:        
Securities for which allowance for credit losses were not previously recorded 26 17 33 18
Reductions:        
Securities sold during the period (2) 0 (5) 0
Additional net increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period, for which there was no intent to sell before recovery, amortized cost basis 12 0 9 (9)
Write-offs charged against the allowance (25) 0 (25) (7)
Other 0 2 0 2
Balance, end of period 48 37 48 37
Non-Structured        
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period 123 73 94 86
Additions:        
Securities for which allowance for credit losses were not previously recorded (2) 29 115 111
Reductions:        
Securities sold during the period (26) (3) (28) (14)
Additional net increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period, for which there was no intent to sell before recovery, amortized cost basis (3) 0 13 (1)
Write-offs charged against the allowance   (25) (97) (108)
Write-offs charged against the allowance 5      
Other 0 2 0 2
Balance, end of period $ 97 $ 76 $ 97 $ 76