v3.26.1
Derivatives and Risk Management Activities - Net Unrealized Gain (Loss) Recognized in AOCI (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Interest rate derivatives        
Impact of derivative activities recognized in earnings        
Interest rate derivatives, net $ 0 $ 7 $ 0 $ 6