Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets:
Cash and cash equivalents	$ 610	$ 979
Restricted cash and securities	7	8
Receivables, less allowances for doubtful accounts of $32 and $31, respectively	731	714
Other	167	141
Total Current Assets	1,515	1,842
Property, Plant and Equipment, net of accumulated depreciation of $8,489 and $8,359, respectively	8,144	8,199
Restricted Cash and Securities	33	35
Goodwill	2,557	2,565
Other Intangibles, net	249	268
Other Assets, net	384	398
Total Assets	12,882	13,307
Liabilities and Stockholders' Equity:
Accounts payable	730	779
Current portion of long-term debt	38	216
Accrued payroll and employee benefits	129	211
Accrued interest	179	209
Current portion of deferred revenue	236	251
Other	176	136
Total Current Liabilities	1,488	1,802
Long-Term Debt, less current portion	8,508	8,516
Deferred Revenue, less current portion	893	887
Other Liabilities	885	931
Total Liabilities	11,774	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 at March 31, 2013 and December 31, 2012; 221,268,380 issued and outstanding at March 31, 2013 and 218,380,070 issued and outstanding at December 31, 2012	2	2
Additional paid-in capital	14,067	14,000
Accumulated other comprehensive income (loss)	(26)	26
Accumulated deficit	(12,935)	(12,857)
Total Stockholders’ Equity	1,108	1,171
Total Liabilities and Stockholders’ Equity	$ 12,882	$ 13,307