CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS
Cash and cash equivalents	$ 399	$ 2,017
Other	232	244
Total current assets	3,958	4,272
Property, plant and equipment, net of accumulated depreciation of $3,779 and $3,665	7,413	7,398
OTHER ASSETS
Customer relationships and other intangible assets, net	4,067	4,237
Other, net	1,289	1,346
Total other assets	5,356	5,583
TOTAL ASSETS	16,727	17,253
CURRENT LIABILITIES
Current maturities of long-term debt	32	31
Accrued expenses and other liabilities
Salaries and benefits	121	195
Income and other taxes	113	105
Current operating lease liabilities	295	288
Interest	68	82
Other	54	78
Current portion of deferred revenue	312	300
Total current liabilities	1,398	1,508
LONG-TERM DEBT	10,155	8,952
DEFERRED REVENUE AND OTHER LIABILITIES
Deferred revenue	1,682	1,623
Operating lease liabilities	806	845
Other	682	709
Total deferred revenue and other liabilities	3,170	3,177
COMMITMENTS AND CONTINGENCIES (Note 8)
MEMBER'S EQUITY
Member's equity	2,034	3,644
Accumulated other comprehensive loss	(30)	(28)
Total member's equity	2,004	3,616
TOTAL LIABILITIES AND MEMBER'S EQUITY	16,727	17,253
Nonrelated Party
CURRENT ASSETS
Accounts receivable, less allowance	572	545
CURRENT LIABILITIES
Accounts payable	403	392
Affiliates
CURRENT ASSETS
Accounts receivable, less allowance	87	0
Notes receivable - affiliate	2,668	1,466
CURRENT LIABILITIES
Accounts payable	0	37
Accrued expenses and other liabilities
Current operating lease liabilities	136	129
DEFERRED REVENUE AND OTHER LIABILITIES
Operating lease liabilities	$ 176	$ 201