v3.24.2.u1
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, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period $ 97 $ 96 $ 128 $ 148
Additions:        
Securities for which allowance for credit losses were not previously recorded 15 29 45 43
Reductions:        
Securities sold during the period (2) (9) (26) (28)
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 36 (1) 74 2
Write-offs charged against the allowance (52) (25) (128) (75)
Other 1 0 2 0
Balance, end of period 95 90 95 90
Structured        
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period 36 27 55 27
Additions:        
Securities for which allowance for credit losses were not previously recorded 1 13 14 15
Reductions:        
Securities sold during the period 0 (1) (15) (1)
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 24 (1) 46 (1)
Write-offs charged against the allowance (24) 0 (63) 0
Other 1 0 1 0
Balance, end of period 38 40 38 40
Non-Structured        
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance, beginning of period 61 69 73 121
Additions:        
Securities for which allowance for credit losses were not previously recorded 14 16 31 28
Reductions:        
Securities sold during the period (2) (10) (11) (27)
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 28 3
Write-offs charged against the allowance (28) (25) (65) (75)
Other 0 0 1 0
Balance, end of period $ 57 $ 50 $ 57 $ 50