Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 509	$ 682
Accounts receivable, less allowances of $59 and $72, respectively	526	614
Prepaid expenses	62	61
Income taxes and other current assets	311	129
Total current assets	1,408	1,486
Property, plant and equipment, net	8,478	8,566
Goodwill	7,213	7,205
Other intangibles, net	1,408	1,500
Other assets	214	217
Total assets	18,721	18,974
Current liabilities:
Long-term debt due within one year	193	298
Accounts payable	260	379
Advanced billings	176	179
Accrued other taxes	71	80
Accrued interest	208	214
Pension and other postretirement benefits	86	124
Other current liabilities	446	238
Total current liabilities	1,440	1,512
Deferred income taxes	2,930	2,939
Pension and other postretirement benefits	1,173	1,141
Other liabilities	207	238
Long-term debt	9,464	9,486
Equity:
Common stock, $0.25 par value (1,750,000 authorized shares, 1,027,986 issued and 1,002,872 and 1,002,469 outstanding, respectively, at March 31, 2015 and December 31, 2014)	257	257
Additional paid-in capital	3,877	3,990
Retained earnings	58	109
Accumulated other comprehensive loss, net of tax	(401)	(404)
Treasury stock	(284)	(294)
Total equity	3,507	3,658
Total liabilities and equity	$ 18,721	$ 18,974