CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and cash equivalents	$ 1,900	$ 1,889
Accounts receivable, less allowance of $54 and $59	1,180	1,231
Other current assets, net	1,197	1,274
Total current assets	4,277	4,394
Property, plant and equipment, net of accumulated depreciation of $23,541 and $23,121	20,568	20,421
GOODWILL AND OTHER ASSETS
Goodwill	1,964	1,964
Other intangible assets, net	4,660	4,806
Other assets, net	2,069	1,911
Total goodwill and other assets	8,693	8,681
TOTAL ASSETS	33,538	33,496
CURRENT LIABILITIES
Current maturities of long-term debt	330	412
Accounts payable	773	749
Accrued expenses and other liabilities
Salaries and benefits	563	716
Income and other taxes	305	272
Current operating lease liabilities	263	253
Interest	237	197
Other current liabilities	198	179
Current portion of deferred revenue	876	861
Total current liabilities	3,545	3,639
LONG-TERM DEBT	17,334	17,494
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	2,731	2,890
Benefit plan obligations, net	2,177	2,205
Deferred revenue	4,226	3,733
Other liabilities	3,236	3,071
Total deferred credits and other liabilities	12,370	11,899
COMMITMENTS AND CONTINGENCIES (Note 10)
STOCKHOLDERS' EQUITY
Preferred stock—non-redeemable, $25.00 par value, authorized 2,000 and 2,000 shares, issued and outstanding 7 and 7 shares	0	0
Common stock, no par value, authorized 2,200,000 and 2,200,000 shares, issued and outstanding 1,024,989 and 1,014,768 shares	19,152	19,149
Accumulated other comprehensive loss	(700)	(723)
Accumulated deficit	(18,163)	(17,962)
Total stockholders' equity	289	464
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 33,538	$ 33,496