v3.25.4
Derivative Instruments - Derivative Counterparty Credit Exposure (Details) - Risk management derivatives - OTC risk management derivatives - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative liability $ 651 $ 1,300
Posted collateral 552 948
Maximum additional collateral $ 316 $ 725