CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS
Cash and cash equivalents	$ 1,580	$ 2,234
Accounts receivable, less allowance of $67 and $67	1,322	1,318
Other	1,033	1,223
Total current assets	3,935	4,775
Property, plant and equipment, net of accumulated depreciation of $21,725 and $21,318	19,908	19,758
GOODWILL AND OTHER ASSETS
Goodwill	1,964	1,964
Other intangible assets, net	5,290	5,470
Other, net	2,076	2,051
Total goodwill and other assets	9,330	9,485
TOTAL ASSETS	33,173	34,018
CURRENT LIABILITIES
Current maturities of long-term debt	86	157
Accounts payable	1,162	1,134
Accrued expenses and other liabilities
Salaries and benefits	578	696
Income and other taxes	761	251
Current operating lease liabilities	282	268
Interest	110	168
Other	172	213
Current portion of deferred revenue	665	647
Total current liabilities	3,816	3,534
LONG-TERM DEBT	18,591	19,831
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	3,143	3,127
Benefit plan obligations, net	2,457	2,490
Deferred revenue	2,021	1,969
Other	2,641	2,650
Total deferred credits and other liabilities	10,262	10,236
COMMITMENTS AND CONTINGENCIES (Note 11)
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, $1.00 par value, authorized 2,200,000 and 2,200,000 shares, issued and outstanding 1,015,967 and 1,008,486 shares	1,016	1,008
Additional paid-in capital	18,137	18,126
Accumulated other comprehensive loss	(799)	(810)
Accumulated deficit	(17,850)	(17,907)
Total stockholders' equity	504	417
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 33,173	$ 34,018