CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 155	$ 128
Accounts receivable, less allowance of $155 and $162	1,955	1,988
Deferred income taxes, net	596	880
Other	599	580
Total current assets	3,305	3,576
NET PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment	37,642	36,718
Accumulated depreciation	(19,553)	(18,285)
Net property, plant and equipment	18,089	18,433
GOODWILL AND OTHER ASSETS
Goodwill	20,758	20,755
Customer relationships, less accumulated amortization of $5,177 and $4,682	4,399	4,893
Other intangible assets, less accumulated amortization of $1,714 and $1,729	1,586	1,647
Other, net	840	843
Total goodwill and other assets	27,583	28,138
TOTAL ASSETS	48,977	50,147
CURRENT LIABILITIES
Current maturities of long-term debt	1,519	550
Accounts payable	1,049	1,226
Accrued expenses and other liabilities
Salaries and benefits	576	641
Income and other taxes	423	309
Interest	260	256
Other	225	210
Advance billings and customer deposits	745	726
Total current liabilities	4,797	3,918
LONG-TERM DEBT	18,834	20,121
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	3,834	4,030
Benefit plan obligations, net	5,696	5,808
Other	1,229	1,247
Total deferred credits and other liabilities	$ 10,759	$ 11,085
COMMITMENTS AND CONTINGENCIES (Note 8)
STOCKHOLDERS' EQUITY
Preferred stock—non-redeemable, $25.00 par value, authorized 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 562,999 and 568,517 shares	563	569
Additional paid-in capital	15,896	16,324
Accumulated other comprehensive loss	(1,959)	(2,017)
Retained earnings	87	147
Total stockholders' equity	14,587	15,023
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 48,977	$ 50,147