Derivatives and Risk Management Activities - Preferred Distribution Rate (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Derivatives and Risk Management Activities
Gain (loss) recognized			$ (196)	$ 13
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge
Derivatives and Risk Management Activities
Derivative liability	$ 196		$ 196
Derivative liability [Extensible Enumeration]	Other long-term liabilities and deferred credits		Other long-term liabilities and deferred credits
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Maximum
Derivatives and Risk Management Activities
Derivative liability					$ 1
Derivative liability [Extensible Enumeration]					Other long-term liabilities and deferred credits
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Other expense, net
Derivatives and Risk Management Activities
Gain (loss) recognized	$ (49)	$ 4	$ (196)	$ 13