CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 155	$ 128
Accounts receivable, less allowance of $163 and $162	1,973	1,988
Deferred income taxes, net	718	880
Other	622	580
Total current assets	3,468	3,576
NET PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment	37,100	36,718
Accumulated depreciation	(18,917)	(18,285)
Net property, plant and equipment	18,183	18,433
GOODWILL AND OTHER ASSETS
Goodwill	20,753	20,755
Customer relationships, less accumulated amortization of $4,932 and $4,682	4,644	4,893
Other intangible assets, less accumulated amortization of $1,809 and $1,729	1,616	1,647
Other, net	856	843
Total goodwill and other assets	27,869	28,138
TOTAL ASSETS	49,520	50,147
CURRENT LIABILITIES
Current maturities of long-term debt	202	550
Accounts payable	1,068	1,226
Accrued expenses and other liabilities
Salaries and benefits	578	641
Income and other taxes	418	309
Interest	315	256
Other	259	210
Advance billings and customer deposits	739	726
Total current liabilities	3,579	3,918
LONG-TERM DEBT	20,254	20,121
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	3,921	4,030
Benefit plan obligations, net	5,755	5,808
Other	1,246	1,247
Total deferred credits and other liabilities	10,922	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 565,530 and 568,517 shares	566	569
Additional paid-in capital	16,059	16,324
Accumulated other comprehensive loss	(2,001)	(2,017)
Retained earnings	141	147
Total stockholders' equity	14,765	15,023
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 49,520	$ 50,147