Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Assets:
Cash and cash equivalents	$ 507	$ 979
Restricted cash and securities	7	8
Receivables, less allowances for doubtful accounts of $33 and $31, respectively	738	714
Other	187	141
Total Current Assets	1,439	1,842
Property, Plant and Equipment, net of accumulated depreciation of $8,894 and $8,359, respectively	8,230	8,199
Restricted Cash and Securities	23	35
Goodwill	2,567	2,565
Other Intangibles, net	223	268
Other Assets, net	370	398
Total Assets	12,852	13,307
Liabilities and Stockholders' Equity:
Accounts payable	633	779
Current portion of long-term debt	21	216
Accrued payroll and employee benefits	212	211
Accrued interest	170	209
Current portion of deferred revenue	219	251
Other	175	136
Total Current Liabilities	1,430	1,802
Long-Term Debt, less current portion	8,537	8,516
Deferred Revenue, less current portion	896	887
Other Liabilities	842	931
Total Liabilities	11,705	12,136
Commitments and Contingencies	0	0
Stockholders’ Equity:
Preferred stock, $.01 par value, authorized 10,000,000 shares: no shares issued or outstanding	0	0
Common stock, $.01 par value, authorized 343,333,333 shares in both periods; 222,838,992 issued and outstanding at September 30, 2013 and 218,380,070 issued and outstanding at December 31, 2012	2	2
Additional paid-in capital	14,120	14,000
Accumulated other comprehensive income	5	26
Accumulated deficit	(12,980)	(12,857)
Total Stockholders’ Equity	1,147	1,171
Total Liabilities and Stockholders’ Equity	$ 12,852	$ 13,307