Consolidated Statements Of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2020		Sep. 30, 2019
OPERATING ACTIVITIES:
Net income (loss)		$ (557)		$ 3,751	[1]
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization		2,709		2,334	[1]
Deferred income taxes		161		193	[1]
Inventory, LIFO Reserve, Period Charge		126		(71)	[1]
Non-cash compensation expense		92		85	[1]
Asset Impairment Charges		2,803		62	[1]
Gain (Loss) on Extinguishment of Debt		59		2	[1]
Distributions on unvested awards		(5)		(5)	[1]
Equity in earnings of unconsolidated affiliates		(46)		(224)	[1]
Distributions from unconsolidated affiliates		(176)		(254)	[1]
Other non-cash		2		(29)	[1]
Net change in operating assets and liabilities, net of effects of acquisitions		103		(290)	[1]
Net Cash Provided by (Used in) Operating Activities, Continuing Operations		5,752		6,062	[1]
INVESTING ACTIVITIES:
Cash paid for all other acquisitions, net of cash received		0		7	[1]
Capital expenditures, excluding allowance for equity funds used during construction		(4,030)		(4,181)	[1]
Proceeds from Sale of Equity Method Investments		0		93	[1]
Contributions in aid of construction costs		61		63	[1]
Contributions to unconsolidated affiliates		(37)		(481)	[1]
Distributions from unconsolidated affiliates in excess of cumulative earnings		143		40	[1]
Proceeds from the sale of other assets		10		55	[1]
Payments for (Proceeds from) Other Investing Activities		9		5	[1]
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		(3,862)		(4,423)	[1]
FINANCING ACTIVITIES:
Proceeds from Issuance of Preferred Limited Partners Units		1,580		780	[1]
Proceeds from borrowings		20,651		18,125	[1]
Repayments of debt		(20,241)		(16,027)	[1]
Cash received from related company		907		1,018	[1]
Capital contributions from noncontrolling interests		173		278	[1]
Predecessor proceeds from noncontrolling interest		30		0	[1]
Distributions to partners		(3,877)		(4,801)	[1]
Distributions to noncontrolling interests		(1,030)		(1,105)	[1]
Payments to Noncontrolling Interests		25		0
Debt issuance costs		53		114	[1]
Proceeds from (Payments for) Other Financing Activities		18		(4)	[1]
Net cash used in financing activities		(1,904)		(1,850)	[1]
Decrease in cash and cash equivalents		(14)		(211)	[1]
Cash and cash equivalents, beginning of period	[1]	288		418
Cash and cash equivalents, end of period		274		207	[1]
Equity Method Investment, Other than Temporary Impairment		129		0	[1]
Payments of Ordinary Dividends, Preferred Stock and Preference Stock		$ (37)	[1]	$ 0

[1] *As adjusted. See Note 1.