CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)	3 Months Ended	6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)
OPERATING ACTIVITIES
Net (loss) income	$ (49,000,000)	$ (1,116,000,000)	$ 8,000,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization		1,401,000,000	1,491,000,000
Net loss on sale of business	(5,000,000)	0	17,000,000
Goodwill impairment	0	628,000,000	0
Deferred income taxes		(409,000,000)	2,000,000
Provision for uncollectible accounts		31,000,000	39,000,000
Net loss (gain) on early retirement of debt	(3,000,000)	271,000,000	(278,000,000)
Debt modification costs and related fees		0	(75,000,000)
Gain on sale of investment	(205,000,000)	0	(205,000,000)
Stock-based compensation		22,000,000	11,000,000
Changes in current assets and liabilities:
Accounts receivable		(80,000,000)	(15,000,000)
Accounts payable		172,000,000	(187,000,000)
Accrued income and other taxes		87,000,000	598,000,000
Other current assets and liabilities, net		(229,000,000)	(55,000,000)
Retirement benefits		(1,000,000)	(16,000,000)
Change in deferred revenue		718,000,000	143,000,000
Changes in other assets and liabilities, net		69,000,000	158,000,000
Other, net		101,000,000	(23,000,000)
Net cash provided by operating activities		1,665,000,000	1,613,000,000
INVESTING ACTIVITIES
Capital expenditures		(1,682,000,000)	(1,466,000,000)
Proceeds from sale of property, plant and equipment, and other assets		31,000,000	264,000,000
Other, net		9,000,000	8,000,000
Net cash used in investing activities		(1,642,000,000)	(1,194,000,000)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt		4,261,000,000	1,325,000,000
Payments of long-term debt		(4,284,000,000)	(1,997,000,000)
Net payments of revolving line of credit		0	(200,000,000)
Debt issuance and extinguishment costs and related fees		(308,000,000)	(282,000,000)
Other, net		(13,000,000)	(6,000,000)
Net cash used in financing activities		(344,000,000)	(1,160,000,000)
Net decrease in cash, cash equivalents and restricted cash		(321,000,000)	(741,000,000)
Cash, cash equivalents and restricted cash at beginning of period		1,900,000,000	2,248,000,000
Cash, cash equivalents and restricted cash at end of period	1,507,000,000	1,579,000,000	1,507,000,000
Supplemental cash flow information:
Income taxes (paid) refunded, net		(7,000,000)	582,000,000
Interest paid (net of capitalized interest of $72 and $79)		(676,000,000)	(571,000,000)
Supplemental noncash information regarding financing activities:
Cancellation of term loans as part of refinancing (Note 5)		(121,000,000)	0
Issuance of term loan as part of refinancing (Note 5)		121,000,000	0
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	1,495,000,000	1,568,000,000	1,495,000,000
Restricted cash included in Other current assets, net	2,000,000	2,000,000	2,000,000
Restricted cash included in Other assets, net	10,000,000	9,000,000	10,000,000
Total	$ 1,507,000,000	$ 1,579,000,000	$ 1,507,000,000