Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 1,246	$ 682
Accounts receivable, less allowances of $59 and $72, respectively	541	614
Restricted cash	1,840
Prepaid expenses	68	61
Income taxes and other current assets	393	129
Total current assets	4,088	1,486
Property, plant and equipment, net	8,432	8,566
Goodwill	7,234	7,205
Other intangibles, net	1,300	1,500
Other assets	232	217
Total assets	21,286	18,974
Current liabilities:
Long-term debt due within one year	97	298
Accounts payable	324	379
Advanced billings	170	179
Accrued other taxes	70	80
Accrued interest	220	214
Pension and other postretirement benefits	127	124
Other current liabilities	400	238
Total current liabilities	1,408	1,512
Deferred income taxes	3,060	2,939
Pension and other postretirement benefits	1,122	1,141
Other liabilities	208	238
Long-term debt	$ 9,440	$ 9,486
Equity:
Preferred stock, $0.01 par value (17,500,000 authorized shares, 11.125%, Series A, no shares issued or outstanding, respectively, at June 30, 2015 and December 31, 2014)
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)	$ 298	$ 257
Additional paid-in capital	6,394	3,990
Retained earnings	30	109
Accumulated other comprehensive loss, net of tax	(396)	(404)
Treasury stock	(278)	(294)
Total equity	6,048	3,658
Total liabilities and equity	$ 21,286	$ 18,974

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.