CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 211	$ 128
Accounts receivable, less allowance of $158 and $145	1,917	1,950
Income tax receivable	42	27
Deferred income taxes, net	891	1,019
Other	552	393
Total current assets	3,613	3,517
NET PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment	32,086	29,585
Accumulated depreciation	(13,054)	(10,141)
Net property, plant and equipment	19,032	19,444
GOODWILL AND OTHER ASSETS
Goodwill	21,732	21,732
Customer relationships, net	7,052	8,239
Other intangible assets, net	1,795	2,243
Other, net	796	869
Total goodwill and other assets	31,375	33,083
TOTAL ASSETS	54,020	56,044
CURRENT LIABILITIES
Current maturities of long-term debt	1,205	480
Accounts payable	1,207	1,400
Accrued expenses and other liabilities
Salaries and benefits	683	633
Income and other taxes	356	383
Interest	268	293
Other	234	255
Advance billings and customer deposits	642	573
Total current liabilities	4,595	4,017
LONG-TERM DEBT	19,400	21,356
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net	3,644	3,800
Benefit plan obligations, net	5,844	4,855
Other	1,248	1,189
Total deferred credits and other liabilities	10,736	9,844
COMMITMENTS AND CONTINGENCIES (Note 15)
STOCKHOLDERS' EQUITY
Preferred stock - non-redeemable, $25.00 par value, authorized 2,000 shares, issued and outstanding 7 and 9 shares
Common stock, $1.00 par value, authorized 1,600,000 and 800,000 shares, respectively, issued and outstanding 625,658 and 618,514 shares	626	619
Additional paid-in capital	19,079	18,901
Accumulated other comprehensive (loss) income	(1,701)	(1,012)
Retained earnings	1,285	2,319
Total stockholders' equity	19,289	20,827
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 54,020	$ 56,044