Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 979	$ 918
Restricted cash and securities	8	10
Receivables, less allowances for doubtful accounts of $31 and $21, respectively	714	648
Other	141	131
Total Current Assets	1,842	1,707
Property, Plant and Equipment, net of accumulated depreciation of $8,359 and $7,678, respectively	8,199	8,136
Restricted Cash and Securities	35	51
Goodwill	2,565	2,541
Other Intangibles, net	268	358
Other Assets, net	398	395
Total Assets	13,307	13,188
Current Liabilities:
Accounts payable	779	747
Current portion of long-term debt	216	65
Accrued payroll and employee benefits	211	209
Accrued interest	209	216
Current portion of deferred revenue	251	264
Other	136	157
Total Current Liabilities	1,802	1,658
Long-Term Debt, less current portion	8,516	8,385
Deferred Revenue, less current portion	887	885
Other Liabilities	931	1,067
Total Liabilities	12,136	11,995
Commitments and Contingencies	0	0
Stockholders’ Equity:
Preferred Stock, Value, Issued	0	0
Common stock, $.01 par value, authorized 343,333,333 shares at December 31, 2012 and 293,333,333 shares at December 31, 2011: 218,380,070 issued and outstanding at December 31, 2012 and 207,913,428 issued and outstanding at December 31, 2011	2	2
Additional paid-in capital	14,000	13,706
Accumulated other comprehensive income (loss)	26	(80)
Accumulated deficit	(12,857)	(12,435)
Total Stockholders’ Equity	1,171	1,193
Total Liabilities and Stockholders’ Equity	$ 13,307	$ 13,188