Business Segments, Consolidated Revenues and Expenses (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Revenues [Abstract]
Total revenues		$ 49,715	$ 58,186	$ 40,807
Operating costs and expenses:
Cost of sales	[1]	37,023	45,836	29,887
Other operating costs and expenses	[2]	3,695	3,454	2,915
Depreciation, amortization and accretion		2,279	2,158	2,038
Impairment of assets other than goodwill		30	53	233
Net losses (gains) attributable to asset sales and related matters		(10)	1	5
General and administrative costs		231	241	209
Total costs and expenses		43,248	51,743	35,287
Vitol Holding B.V. [Member]
Consolidated Revenues [Abstract]
Total revenues		$ 7,870	$ 5,920
Revenues [Member] | Customer Concentration Risk [Member] | Vitol Holding B.V. [Member]
Consolidated Revenues [Abstract]
Percent of revenues		15.80%	10.20%
NGL Pipelines and Services [Member]
Consolidated Revenues [Abstract]
Total revenues		$ 17,645	$ 24,259	16,302
Crude Oil Pipelines & Services [Member]
Consolidated Revenues [Abstract]
Total revenues		19,336	18,561	10,902
Natural Gas Pipelines & Services [Member]
Consolidated Revenues [Abstract]
Total revenues		3,776	6,260	4,400
Petrochemical and Refined Products Services [Member]
Consolidated Revenues [Abstract]
Total revenues		$ 8,958	$ 9,106	$ 9,203

[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.

[2] Represents the cost of operating our plants, pipelines and other fixed assets excluding: depreciation, amortization and accretion charges; asset impairment charges; and net losses (gains) attributable to asset sales and related matters.