CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
OPERATING ACTIVITIES
Net (loss) income	$ (1,327)	$ 1,487	$ (831)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	685	753	823
Net loss on disposal group held for sale	235	0	0
Goodwill impairment	2,012	0	2,405
Deferred income taxes	125	37	22
Provision for uncollectible accounts	39	45	66
Changes in current assets and liabilities:
Accounts receivable	(23)	(11)	20
Accounts payable	(50)	14	14
Accrued income and other taxes	4	10	7
Other current assets and liabilities, net	57	(49)	(97)
Changes in other assets and liabilities, net	26	(8)	17
Changes in affiliate obligations, net	(49)	(55)	(62)
Other, net	28	(29)	5
Net cash provided by operating activities	1,762	2,194	2,389
INVESTING ACTIVITIES
Capital expenditures	(824)	(1,047)	(1,062)
Changes in advances to affiliates	236		569
Changes in advances to affiliates		(902)
Net increase in note receivable - affiliates	(937)	0	0
Proceeds from sale of property, plant and equipment and other assets	13	58	27
Net cash used in investing activities	(1,512)	(1,891)	(466)
FINANCING ACTIVITIES
Payments of long-term debt	(238)	(226)	(2)
Dividends paid	0	0	(1,980)
Changes in advances from affiliates	0	(61)	61
Net cash used in financing activities	(238)	(287)	(1,921)
Net increase in cash, cash equivalents and restricted cash	12	16	2
Cash, cash equivalents and restricted cash at beginning of period	28	12	10
Cash, cash equivalents and restricted cash at end of period	40	28	12
Supplemental cash flow information:
Income taxes paid, net	(199)	(497)	(509)
Interest paid, including affiliate interest (net of capitalized interest of $35, $75 and $54)	(98)	(63)	(97)
Supplemental noncash information of financing activities:
Dividend to parent in exchange for advances to affiliates	0	0	(1,980)
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	39	26	10
Restricted cash - noncurrent	1	2	2
Total	$ 40	$ 28	$ 12