Consolidated Statements of Cash Flows (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash Flows from Operating Activities:
Net loss	$ (386)	$ (407)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	411	448
Non-cash compensation expense attributable to stock awards	42	30
Loss on extinguishments of debt, net	43	59
Change in fair value of embedded derivative		(10)
Accretion of debt discount and amortization of debt issuance costs	27	28
Accrued interest on long-term debt	23	4
Deferred income taxes	27	(2)
Other, net	(10)
Changes in working capital items:
Receivables	(27)	7
Other current assets	(18)	(12)
Payables	3	(5)
Deferred revenue	(4)	(27)
Other current liabilities		(36)
Net Cash Provided by Operating Activities	131	77
Cash Flows from Investing Activities:
Capital expenditures	(240)	(186)
(Increase) Decrease in restricted cash and securities, net	(34)	4
Proceeds from the sale of property, plant and equipment	4
Net Cash Used in Investing Activities	(270)	(182)
Cash Flows from Financing Activities:
Long-term debt borrowings, net of issuance costs	766	613
Payments on and repurchases of long-term debt	(662)	(890)
Net Cash Provided by (Used in) Financing Activities	104	(277)
Effect of Exchange Rates on Cash and Cash Equivalents	3	(12)
Net Change in Cash and Cash Equivalents	(32)	(394)
Cash and Cash Equivalents at Beginning of Period	616	836
Cash and Cash Equivalents at End of Period	584	442
Supplemental Disclosure of Cash Flow Information:
Cash interest paid	267	262
Income taxes paid, net of refunds	1	(1)
Non-cash Investing and Financing Activities:
Long-term debt issued and proceeds placed into escrow	600
Long-term debt issued in exchange transaction	300
Long-term debt retired in exchange transaction	$ 295