CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS
Cash and cash equivalents	$ 266	$ 211
Allowance for Doubtful Accounts Receivable, Current	151	158
Accounts receivable, less allowance of $151 and $158	1,911	1,917
Income tax receivable	68	42
Deferred income taxes, net	1,004	891
Other	563	552
Total current assets	3,812	3,613
NET PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment	33,724	31,933
Accumulated depreciation	(15,059)	(13,024)
Net property, plant and equipment	18,665	18,909
GOODWILL AND OTHER ASSETS
Goodwill	20,637	21,732
Customer relationships, less accumulated amortization of $3,370 and $2,524	6,206	7,052
Other intangible assets, less accumulated amortization of $1290 and $986	1,842	1,918
Other	822	796
Total goodwill and other assets	29,507	31,498
TOTAL ASSETS	51,984	54,020
CURRENT LIABILITIES
Current maturities of long-term debt	191	1,205
Accounts payable	1,158	1,207
Accrued expenses and other liabilities
Salaries and benefits	679	683
Income and other taxes	397	356
Interest	355	268
Other	498	234
Advance billings and customer deposits	700	642
Total current liabilities	3,978	4,595
LONG-TERM DEBT	20,391	19,400
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	4,125	3,644
Benefit plan obligations, net	5,488	5,844
Other	1,288	1,248
Total deferred credits and other liabilities	10,901	10,736
COMMITMENTS AND CONTINGENCIES (Note 9)
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 593,497 and 625,658 shares	593	626
Additional paid-in capital	17,954	19,079
Accumulated other comprehensive loss	(1,660)	(1,701)
(Accumulated Deficit) Retained earnings	(173)	1,285
Total stockholders' equity	16,714	19,289
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 51,984	$ 54,020