Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 631	$ 979
Restricted cash and securities	7	8
Receivables, less allowances for doubtful accounts of $32 and $31, respectively	673	714
Other	143	141
Total Current Assets	1,454	1,842
Property, plant and equipment, net of accumulated depreciation of $9,089 and $8,359, respectively	8,240	8,199
Restricted Cash and Securities	23	35
Goodwill	2,577	2,565
Other Intangibles, net	205	268
Other Assets, net	375	398
Total Assets	12,874	13,307
Current Liabilities:
Accounts payable	625	779
Current portion of long-term debt	31	216
Accrued payroll and employee benefits	209	211
Accrued interest	160	209
Current portion of deferred revenue	253	251
Other	168	136
Total Current Liabilities	1,446	1,802
Long-Term Debt, less current portion	8,331	8,516
Deferred Revenue, less current portion	906	887
Other Liabilities	780	931
Total Liabilities	11,463	12,136
Commitments and Contingencies	0	0
Stockholders’ Equity:
Preferred Stock, Value, Issued	0	0
Common stock, $.01 par value, authorized 343,333,333 shares in both periods; 234,688,063 shares issued and outstanding at December 31, 2013 and 218,380,070 shares issued and outstanding at December 31, 2012	2	2
Additional paid-in capital	14,339	14,000
Accumulated other comprehensive income (loss)	36	26
Accumulated deficit	(12,966)	(12,857)
Total Stockholders’ Equity	1,411	1,171
Total Liabilities and Stockholders’ Equity	$ 12,874	$ 13,307