Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
OPERATING ACTIVITIES:
Net (loss) income	$ 48	$ 120	$ (501)	$ 196
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	93	101	192	204
Earnings from unconsolidated affiliates	(125)	(117)	(201)	(230)
Distributions from unconsolidated affiliates			320	259
Net unrealized (gains) losses on derivative instruments	57	(39)	(77)	15
Loss on sale of assets, net	0	5	0	14
Asset Impairment	0	0	746	0
Other, net			(24)	(6)
Change in operating assets and liabilities, which (used) provided cash, net of effects of acquisitions:
Accounts receivable			(262)	(373)
Inventories			(13)	(19)
Accounts payable			(287)	(248)
Decrease in Other Operating Assets and Liabilities, Net			32	(62)
Net cash provided by operating activities			523	546
INVESTING ACTIVITIES:
Capital expenditures	(33)	(126)	(102)	(308)
Investments in unconsolidated affiliates	(56)	(139)	(90)	(270)
Payments to Acquire Equity Method Investments			95	270
Proceeds from Equity Method Investment, Distribution, Return of Capital			5	0
Proceeds from sale of assets			0	132
Net cash used in investing activities			(192)	(446)
FINANCING ACTIVITIES:
Proceeds from debt			3,403	3,457
Payments of debt			3,424	3,208
Distributions to preferred limited partners			28	28
Distributions to limited partners and general partner			(243)	(309)
Payments to Noncontrolling Interests			(2)	(3)
Payments of Debt Issuance Costs			(6)	(9)
Proceeds from (Payments for) Other Financing Activities			(5)	0
Net cash provided by (used in) financing activities			(305)	(100)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect			26	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	27	1	27	1
Cash and cash equivalents, end of period	12	1	12	1
Restricted Cash, Current	6	0	6	0
Restricted Cash, Noncurrent	$ 9	$ 0	$ 9	$ 0

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