Business Segments and Related Information, Consolidated Revenues and Expenses (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Consolidated Revenues [Abstract]
Total revenues		$ 56,219	$ 49,715	$ 58,186
Operating costs and expenses:
Cost of sales	[1]	42,580	37,023	45,836
Other operating costs and expenses	[2]	4,004	3,695	3,454
Depreciation, amortization and accretion		2,402	2,279	2,158
Impairment of assets other than goodwill		57	30	53
Net losses (gains) attributable to asset sales and related matters		2	(10)	1
General and administrative costs		244	231	241
Total costs and expenses		49,289	43,248	51,743
Vitol Holding B.V. [Member]
Consolidated Revenues [Abstract]
Total revenues		$ 6,450	$ 7,870	$ 5,920
Revenues [Member] | Customer Concentration Risk [Member] | Vitol Holding B.V. [Member]
Consolidated Revenues [Abstract]
Percent of revenues		11.50%	15.80%	10.20%
NGL Pipelines and Services [Member]
Consolidated Revenues [Abstract]
Total revenues		$ 20,276	$ 17,645	$ 24,259
Crude Oil Pipelines & Services [Member]
Consolidated Revenues [Abstract]
Total revenues		21,580	19,336	18,561
Natural Gas Pipelines & Services [Member]
Consolidated Revenues [Abstract]
Total revenues		3,004	3,776	6,260
Petrochemical and Refined Products Services [Member]
Consolidated Revenues [Abstract]
Total revenues		$ 11,359	$ 8,958	$ 9,106

[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; asset impairment charges; and net losses (gains) attributable to asset sales and related matters.