Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
OPERATING ACTIVITIES
Net income (loss)	$ (3,361)	$ 190
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	1,209	1,295
Goodwill impairment	3,708	0
Deferred income taxes	165	175
Changes in current assets and liabilities:
Accounts receivable	(28)	51
Accounts payable	(72)	(64)
Other assets and liabilities, net	(126)	(118)
Other assets and liabilities, affiliate	306	55
Changes in other noncurrent assets and liabilities, net	57	37
Other, net	(14)	6
Net cash provided by operating activities	1,844	1,627
INVESTING ACTIVITIES
Capital expenditures	(982)	(726)
Payments of notes receivable - affiliates	235	0
Proceeds from sale of property, plant and equipment and other assets	27	119
Other, net	(25)	0
Net cash used in investing activities	(745)	(607)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt	988	0
Payments of long-term debt	(404)	(5)
Distributions	(709)	(1,130)
Net cash used in financing activities	(125)	(1,135)
Net increase (decrease) in cash, cash equivalents and restricted cash	974	(115)
Cash, cash equivalents and restricted cash at beginning of period	272	331
Cash, cash equivalents and restricted cash at end of period	1,246	216
Supplemental cash flow information
Income taxes paid, net	(17)	(24)
Interest paid	(416)	(404)
Cash, cash equivalents and restricted cash:
Total	$ 272	$ 216