v3.26.1
Derivatives and Risk Management Activities - Broker Receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative assets and liabilities    
Initial margin $ 82 $ 16
Variation margin posted/(returned) (152) 4
Letters of credit (118) (95)
Net broker receivable/(payable) (88) 19
Exchange Traded    
Derivative assets and liabilities    
Letters of credit $ (18) $ (1)