v3.26.1
Annuity Reinsurance - Additional Information (Details)
$ in Millions
3 Months Ended 5 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
contract
Jun. 30, 2025
USD ($)
Effects of Reinsurance [Line Items]          
Number of contracts | contract       2  
Interest accrual $ 8 $ 0   $ 15 $ 0
Annuity Reinsurance          
Effects of Reinsurance [Line Items]          
Interest accrual $ 6   $ 9 $ 10