v3.26.1
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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period $ 168 $ 114 $ 130 $ 119
Additions:        
Securities for which allowance for credit losses were not previously recorded 83 43 124 83
Reductions:        
Securities sold during the period (1) (9) (5) (11)
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 (2) 2 13 (10)
Write-offs charged against the allowance (88) (59) (102) (90)
Balance, end of period 160 91 160 91
Structured        
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period 39 31 36 33
Additions:        
Securities for which allowance for credit losses were not previously recorded 0 1 7 1
Reductions:        
Securities sold during the period 0 0 (3) 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 (2) (10) (3) (9)
Write-offs charged against the allowance 0 (4) 0 (7)
Balance, end of period 37 18 37 18
Non-Structured        
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period 129 83 94 86
Additions:        
Securities for which allowance for credit losses were not previously recorded 83 42 117 82
Reductions:        
Securities sold during the period (1) (9) (2) (11)
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 0 12 16 (1)
Write-offs charged against the allowance (88) (55) (102) (83)
Balance, end of period $ 123 $ 73 $ 123 $ 73