CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
OPERATING ACTIVITIES
Net income (loss)	$ 586	$ 651	$ (3,201)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,717	1,689	1,613
Goodwill impairment	0	0	3,708
Deferred income taxes	166	175	219
Changes in current assets and liabilities:
Accounts receivable	(72)	(63)	21
Accounts payable	(37)	(218)	(134)
Other assets and liabilities, net	(97)	(159)	(6)
Other assets and liabilities, affiliate	(846)	108	423
Changes in other noncurrent assets and liabilities, net	150	71	120
Other, net	3	30	(80)
Net cash provided by operating activities	1,570	2,284	2,683
INVESTING ACTIVITIES
Capital expenditures	(1,218)	(1,432)	(1,341)
Collections on notes receivable - affiliates	0	122	235
Proceeds from sale of property, plant and equipment and other assets	52	137	28
Net cash used in investing activities	(1,166)	(1,173)	(1,078)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt	891	2,020	2,479
Distributions	(365)	(1,200)	(1,084)
Payments of long-term debt	(943)	(2,060)	(2,906)
Other	(1)	(4)	(28)
Net cash used in financing activities	(418)	(1,244)	(1,539)
Net (decrease) increase in cash, cash equivalents and restricted cash	(14)	(133)	66
Cash, cash equivalents and restricted cash at beginning of period	205	338	272
Cash, cash equivalents and restricted cash at end of period	191	205	338
Supplemental cash flow information:
Income taxes paid, net	(27)	(24)	(23)
Interest paid (net of capitalized interest of $15, $23 and $15)	(368)	(382)	(531)
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	146	190	316
Cash and cash equivalents included in assets held for sale	39	0	0
Restricted cash included in Other current assets	2	3	3
Restricted cash included in Other, net noncurrent assets	4	12	19
Total	$ 191	$ 205	$ 338