Consolidated Statements Of Operations - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	[1]	Sep. 30, 2020	Sep. 30, 2019	[1]
REVENUES:
Total revenues	$ 9,955	$ 13,495		$ 28,920	$ 40,493
COSTS AND EXPENSES:
Cost of products sold	6,376	9,864		18,784	29,642
Operating expenses	773	806		2,422	2,406
Depreciation, depletion and amortization	910	782		2,709	2,334
Selling, general and administrative	174	171		547	495
Asset Impairment Charges	1,474	12		2,803	62
Total costs and expenses	9,707	11,635		27,265	34,939
OPERATING INCOME	248	1,860		1,655	5,554
OTHER INCOME (EXPENSE):
Interest expense, net of interest capitalized	(569)	(575)		(1,747)	(1,680)
Equity in earnings (losses) of unconsolidated affiliates	(32)	82		46	224
Equity Method Investment, Other than Temporary Impairment	(129)	0		(129)	0
Gain (Loss) on Extinguishment of Debt	0	0		(59)	(2)
Gains (losses) on interest rate derivatives	55	(175)		(277)	(371)
Other, net	107	113		123	242
INCOME (LOSS) BEFORE INCOME TAX EXPENSE	(320)	1,305		(388)	3,967
Income tax expense	42	55		169	216
NET INCOME (LOSS)	(362)	1,250		(557)	3,751
Less: Net income attributable to noncontrolling interests	284	261		309	783
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest	11	12		36	38
Net Income (Loss) Allocated to Predecessor Equity	0	0		(6)	0
NET INCOME (LOSS) ATTRIBUTABLE TO PARTNERS	(657)	977		(896)	2,930
Refined Products [Member]
REVENUES:
Revenue from Contract with Customer, Including Assessed Tax	2,720	4,311		7,952	12,514
NGL sales [Member]
REVENUES:
Revenue from Contract with Customer, Including Assessed Tax	2,298	3,971		7,170	11,842
Oil and Gas [Member]
REVENUES:
Revenue from Contract with Customer, Including Assessed Tax	1,808	1,723		4,751	6,121
Natural Gas, Midstream [Member]
REVENUES:
Revenue from Contract with Customer, Including Assessed Tax	2,283	2,466		6,805	6,768
Oil and Gas, Refining and Marketing [Member]
REVENUES:
Revenue from Contract with Customer, Including Assessed Tax	681	822		1,783	2,549
Product and Service, Other [Member]
REVENUES:
Revenue from Contract with Customer, Including Assessed Tax	$ 165	$ 202		$ 459	$ 699

[1] *As adjusted. See Note 1.