Inventories (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
Inventory by Product Type [Abstract]
NGLs		$ 2,444		$ 2,444		$ 2,027
Petrochemicals and refined products		455		455		343
Crude oil		243		243		285
Natural gas		31		31		26
Total		3,173		3,173		$ 2,681
Summary of cost of sales and lower of cost or net realizable value adjustments [Abstract]
Cost of sales	[1]	12,319	$ 8,113	35,325	$ 21,216
Lower of cost or net realizable value adjustments recognized in cost of sales		$ 11	$ 1	$ 18	$ 14

[1] Cost of sales is a component of “Operating costs and expenses” as presented on our Unaudited Condensed Statements of Consolidated Operations.  Fluctuations in these amounts are primarily due to changes in energy commodity prices and sales volumes associated with our marketing activities.