CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
CURRENT ASSETS
Cash and cash equivalents	$ 488	$ 551
Restricted cash - current	4	5
Accounts receivable, less allowance of $142 and $164	2,398	2,557
Assets held for sale	12	140
Other	918	941
Total current assets	3,820	4,194
NET PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment	53,267	51,204
Accumulated depreciation	(26,859)	(24,352)
Net property, plant and equipment	26,408	26,852
GOODWILL AND OTHER ASSETS
Goodwill	28,031	30,475
Restricted cash	26	31
Customer relationships, net	8,911	10,876
Other intangible assets, net	1,868	1,897
Other, net	1,192	1,286
Total goodwill and other assets	40,028	44,565
TOTAL ASSETS	70,256	75,611
CURRENT LIABILITIES
Current maturities of long-term debt	652	443
Accounts payable	1,933	1,555
Accrued expenses and other liabilities
Salaries and benefits	1,104	890
Income and other taxes	337	370
Interest	316	363
Other	357	344
Advance billings and customer deposits	832	892
Total current liabilities	5,531	4,857
LONG-TERM DEBT	35,409	37,283
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	2,527	2,413
Benefit plan obligations, net	4,319	5,178
Other	2,642	2,389
Total deferred credits and other liabilities	9,488	9,980
COMMITMENTS AND CONTINGENCIES (Note 17)
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 1,600,000 and 1,600,000 shares, issued and outstanding 1,080,167 and 1,069,169 shares	1,080	1,069
Additional paid-in capital	22,852	23,314
Accumulated other comprehensive loss	(2,461)	(1,995)
(Accumulated deficit) retained earnings	(1,643)	1,103
Total stockholders' equity	19,828	23,491
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 70,256	$ 75,611