v3.26.1
Investments (Related Party Investment Transactions - Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]          
Other invested assets - VIE $ 16,816   $ 16,816   $ 15,086
Costs and Expenses, Related Party $ 109 $ 106 $ 221 $ 214