CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
OPERATING ACTIVITIES
Net (loss) income	$ (1,924)	$ 97	$ (1,883)	$ 211
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	355	405	702	801
Loss on disposal group held for sale	8	0	85	0
Goodwill impairment			1,970	0
Deferred income taxes			(6)	54
Changes in current assets and liabilities:
Accounts receivable			3	33
Accounts payable			(16)	(29)
Other assets and liabilities, net			(34)	(113)
Other assets and liabilities, affiliate			(1)	85
Changes in other noncurrent assets and liabilities, net			16	64
Other, net			(3)	78
Net cash provided by operating activities			833	1,184
INVESTING ACTIVITIES
Capital expenditures			(530)	(554)
Proceeds from sale of property, plant and equipment and other assets			24	1
Other, net			0	0
Net cash used in investing activities			(506)	(553)
FINANCING ACTIVITIES
Distributions			(161)	(553)
Payments of long-term debt			(14)	(64)
Other			(12)	0
Net cash used in financing activities			(187)	(617)
Net increase in cash, cash equivalents and restricted cash			140	14
Cash, cash equivalents and restricted cash at beginning of period			164	191	$ 191
Cash, cash equivalents and restricted cash at end of period	304	205	304	205	164
Supplemental cash flow information:
Income taxes paid, net			(4)	(23)
Interest paid (net of capitalized interest of $10 and $8)			(183)	(182)
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	256	154	256	154	118
Cash and cash equivalents and restricted cash included in assets held for sale	46	48	46	48
Restricted cash included in Other current assets	0	1	0	1
Restricted cash included in Other, net noncurrent assets	2	2	2	2
Total	$ 304	$ 205	$ 304	$ 205	$ 164