CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
OPERATING ACTIVITIES
Net (loss) income	$ (45)	$ (62)	$ (1,928)	$ 149
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	354	377	1,056	1,178
Loss on disposal group held for sale	28	0	113	0
Goodwill impairment			1,970	0
Gain on sale of business	0	(119)	0	(119)
Deferred income taxes			(20)	367
Changes in current assets and liabilities:
Accounts receivable			(41)	2
Accounts payable			(30)	(37)
Other assets and liabilities, net			12	(141)
Other assets and liabilities, affiliate			(5)	81
Changes in other noncurrent assets and liabilities, net			101	117
Other, net			5	90
Net cash provided by operating activities			1,233	1,687
INVESTING ACTIVITIES
Capital expenditures			(785)	(877)
Proceeds from sale of business			3	2,707
Proceeds from sale of property, plant and equipment and other assets			25	2
Other, net			(12)	0
Net cash (used in) provided by investing activities			(769)	1,832
FINANCING ACTIVITIES
Distributions			(411)	(1,210)
Payments of long-term debt			(28)	(2,367)
Other			(13)	0
Net cash used in financing activities			(452)	(3,577)
Net increase (decrease) in cash, cash equivalents and restricted cash			12	(58)
Cash, cash equivalents and restricted cash at beginning of period			164	191	$ 191
Cash, cash equivalents and restricted cash at end of period	176	133	176	133	164
Supplemental cash flow information:
Income taxes paid, net			(7)	(4)
Interest paid (net of capitalized interest of $15 and $12)			(302)	(326)
Supplemental non-cash information regarding financing activities:
Issuance of senior secured notes as part of exchange offers (Note 6)			924	0
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	146	130	146	130	118
Cash and cash equivalents and restricted cash included in assets held for sale	28	0	28	0
Restricted cash included in Other current assets	0	1	0	1
Restricted cash included in Other, net noncurrent assets	2	2	2	2
Total	$ 176	$ 133	$ 176	$ 133	$ 164