Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 936	$ 682
Accounts receivable, less allowances of $57 and $72, respectively	571	614
Restricted cash	8,444
Prepaid expenses	100	61
Income taxes and other current assets	80	58
Total current assets	10,131	1,415
Property, plant and equipment, net	8,493	8,566
Goodwill	7,166	7,205
Other intangibles, net	1,143	1,500
Other assets	151	124
Total assets	27,084	18,810
Current liabilities:
Long-term debt due within one year	384	298
Accounts payable	467	379
Advanced billings	160	179
Accrued other taxes	87	80
Accrued interest	403	214
Pension and other postretirement benefits	33	124
Other current liabilities	359	238
Total current liabilities	1,893	1,512
Deferred income taxes	2,666	2,868
Pension and other postretirement benefits	1,163	1,141
Other liabilities	240	238
Long-term debt	$ 15,508	$ 9,393
Equity:
Preferred stock, $0.01 par value (50,000 authorized shares, 11.125%, Series A, 19,250 shares issued and outstanding at December 31, 2015)
Common stock, $0.25 par value (1,750,000 authorized shares, 1,168,200 and 1,002,469 outstanding, and 1,192,986 and 1,027,986 issued, at December 31, 2015 and 2014, respectively)	$ 298	$ 257
Additional paid-in capital	6,034	3,990
Retained earnings (deficit)	(87)	109
Accumulated other comprehensive loss, net of tax	(353)	(404)
Treasury stock	(278)	(294)
Total equity	5,614	3,658
Total liabilities and equity	$ 27,084	$ 18,810