v3.26.1
Investments (Invested Assets on Deposits and Pledged as Collateral - Narrative) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Federal Home Loan Bank Stock $ 628 $ 628
Funds Held under Reinsurance Agreements, Asset $ 7,400 $ 8,200