Inventories (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Inventory by Product Type [Abstract]
NGLs		$ 2,405		$ 2,768
Petrochemicals and refined products		578		652
Crude oil		240		523
Natural gas		10		12
Total		3,233		$ 3,955
Summary of cost of sales and lower of cost or net realizable value adjustments [Abstract]
Cost of sales	[1]	12,005	$ 11,405
Lower of cost or net realizable value adjustments recognized in cost of sales		$ 2	$ 1

[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.