Inventories (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Inventory by Product Type [Abstract]
NGLs		$ 2,392	$ 1,689
Petrochemicals and refined products		536	430
Crude oil		419	411
Natural gas		5	24
Total		3,352	2,554
Summary of cost of sales and lower of cost or net realizable value adjustments [Abstract]
Cost of sales	[1]	37,023	45,836	$ 29,887
Lower of cost or net realizable value adjustments recognized in cost of sales		$ 31	$ 19	$ 20

[1] Cost of sales is a component of “Operating costs and expenses,” as presented on our 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.