Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows from Operating Activities:
Net Loss	$ (78)	$ (138)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	194	187
Non-cash compensation expense attributable to stock awards	37	24
Loss on extinguishment of debt, net	0	61
Accretion of debt discount and amortization of debt issuance costs	9	10
Accrued interest on long-term debt, net	(30)	(49)
Deferred income taxes	9	7
Other, net	17	0
Changes in working capital items:
Receivables	(29)	(26)
Other current assets	(25)	(27)
Payables	(45)	(33)
Deferred revenue	(3)	(13)
Other current liabilities	(49)	(78)
Net Cash Provided by (Used in) Operating Activities	7	(75)
Cash Flows from Investing Activities:
Capital expenditures	(169)	(138)
Decrease in restricted cash and securities, net	3	1
Proceeds from the sale of property, plant and equipment and other assets	0	5
Net Cash Used in Investing Activities	(166)	(132)
Cash Flows from Financing Activities:
Long-term debt borrowings, net of issuance costs	0	880
Payments on and repurchases of long-term debt, including current portion and refinancing costs	(186)	(847)
Proceeds from stock options exercised	0	1
Net Cash Provided by (Used in) Financing Activities	(186)	34
Effect of Exchange Rates on Cash and Cash Equivalents	(24)	3
Net Change in Cash and Cash Equivalents	(369)	(170)
Cash and Cash Equivalents at Beginning of Period	979	918
Cash and Cash Equivalents at End of Period	610	748
Supplemental Disclosure of Cash Flow Information:
Cash interest paid	190	228
Income taxes paid, net of refunds	9	9
Non-cash Financing Activities:
Long-term debt conversion into equity	0	100
Premium on long-term debt conversion into equity	0	39
Accrued interest conversion into equity	$ 0	$ 2