v3.25.4
Debt Securities (Schedule of Realized Gain (Loss) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Gross realized gains $ 1 $ 14
Gross realized losses 54 222
Securities gains (losses), net $ (53) $ (208)