CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 1,763	$ 1,690
Accounts receivable, less allowance of $124 and $106	2,182	2,259
Other	913	819
Total current assets	4,858	4,768
Property, plant and equipment, net of accumulated depreciation of $30,332 and $29,346	26,079	26,079
GOODWILL AND OTHER ASSETS
Goodwill	21,469	21,534
Other intangible assets, net	8,903	9,567
Other, net	2,862	2,794
Total goodwill and other assets	33,234	33,895
TOTAL ASSETS	64,171	64,742
CURRENT LIABILITIES
Current maturities of long-term debt	2,885	2,300
Accounts payable	1,448	1,724
Accrued expenses and other liabilities
Salaries and benefits	917	1,037
Income and other taxes	337	311
Current operating lease liabilities	474	416
Interest	303	280
Other	349	386
Current portion of deferred revenue	759	804
Total current liabilities	7,472	7,258
LONG-TERM DEBT	31,414	32,394
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	3,094	2,918
Benefit plan obligations, net	4,428	4,594
Other	4,301	4,108
Total deferred credits and other liabilities	11,823	11,620
COMMITMENTS AND CONTINGENCIES (Note 12)
STOCKHOLDERS' EQUITY
Preferred Stock, Value, Issued	0	0
Common Stock, Value, Issued	1,097	1,090
Additional paid-in capital	21,376	21,874
Accumulated other comprehensive loss	(2,902)	(2,680)
Accumulated deficit	(6,109)	(6,814)
Total stockholders' equity	13,462	13,470
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 64,171	$ 64,742