v3.26.1
Financial Derivatives (Credit-Risk Contingent Features) (Details) - USD ($)
$ in Billions
Jun. 30, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Net derivative liabilities with credit-risk contingent features $ 2.8 $ 2.3
Less: Collateral posted 0.8 0.8
Maximum additional amount of collateral exposure $ 2.0 $ 1.5