Derivatives and Risk Management Activities - Preferred Distribution Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivatives and Risk Management Activities
Gain/(loss) recognized	$ (189)	$ 14	$ 20
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge
Derivatives and Risk Management Activities
Derivative liability	$ 189
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
Preferred Distribution Rate Reset Option | Derivatives Not Designated as a Hedge | Other income/(expense), net
Derivatives and Risk Management Activities
Gain/(loss) recognized	$ (189)	$ 14	$ 20