Inventories (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Inventory by Product Type [Abstract]
NGLs		$ 2,768	$ 2,392
Petrochemicals and refined products		652	536
Crude oil		523	419
Natural gas		12	5
Total		3,955	3,352
Summary of cost of sales and lower of cost or net realizable value adjustments [Abstract]
Cost of sales	[1]	42,580	37,023	$ 45,836
Lower of cost or net realizable value adjustments recognized in cost of sales		$ 9	$ 31	$ 19

[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.