v3.25.4
Derivatives and Risk Management Activities - Broker Receivable/Payable (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivative assets and liabilities    
Initial margin $ 16 $ 16
Variation margin posted 4 15
Letters of credit (95) (90)
Net broker receivable 19 22
Exchange Traded    
Derivative assets and liabilities    
Letters of credit $ (1) $ (9)