Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
OPERATING ACTIVITIES:
Net (loss) income	$ 112	$ (177)	$ (389)	$ 19
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	92	100	284	304
Earnings from unconsolidated affiliates	(130)	(114)	(331)	(344)
Distributions from unconsolidated affiliates			489	398
Net unrealized (gains) losses on derivative instruments	11	26	(66)	41
Loss on sale of assets, net	0	0	0	14
Asset Impairment	0	247	746	247
Other, net			(27)	(9)
Change in operating assets and liabilities, which (used) provided cash, net of effects of acquisitions:
Accounts receivable			(185)	(201)
Inventories			(13)	(10)
Accounts payable			(230)	(181)
Decrease in Other Operating Assets and Liabilities, Net			63	(81)
Net cash provided by operating activities			791	637
INVESTING ACTIVITIES:
Capital expenditures	(23)	(106)	(125)	(414)
Investments in unconsolidated affiliates	(12)	(56)	(102)	(326)
Payments to Acquire Equity Method Investments			107	326
Proceeds from Equity Method Investment, Distribution, Return of Capital			5	0
Proceeds from sale of assets			2	155
Net cash used in investing activities			(225)	(585)
FINANCING ACTIVITIES:
Proceeds from debt			3,958	4,705
Payments of debt			4,137	4,246
Distributions to preferred limited partners			34	34
Distributions to limited partners and general partner			(325)	(463)
Payments to Noncontrolling Interests			(3)	(4)
Payments of Debt Issuance Costs			(8)	(9)
Proceeds from (Payments for) Other Financing Activities			(1)	0
Net cash provided by (used in) financing activities			(550)	(51)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			16	1
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance			1	1
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance	17	2	17	2
Cash and cash equivalents, end of period	14	2	14	2
Restricted Cash, Current	$ 3	$ 0	$ 3	$ 0

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