Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities:
Net Income (Loss)	$ 248	$ (123)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	558	596
Non-cash compensation expense attributable to stock awards	48	115
Loss on modification and extinguishment of debt, net	0	17
Accretion of debt discount and amortization of debt issuance costs	27	27
Accrued interest on long-term debt, net	24	(39)
Non-cash tax adjustments	(9)	0
Deferred income taxes	2	0
Gain on sale of property, plant and equipment and other assets	(3)	(1)
Other, net	(19)	(34)
Changes in working capital items:
Receivables	(25)	(34)
Other current assets	(31)	(34)
Payables	(35)	(152)
Deferred revenue	(29)	(18)
Other current liabilities	9	7
Net Cash Provided by Operating Activities	765	327
Cash Flows from Investing Activities:
Capital expenditures	(608)	(571)
(Increase) decrease in restricted cash and securities, net	(10)	13
Proceeds from Sale of Property, Plant, and Equipment and other assets	(3)	(16)
Other	(2)	(14)
Net Cash Used in Investing Activities	(617)	(556)
Cash Flows from Financing Activities:
Long-term debt borrowings, net of issuance costs	(1)	590
Payments on and repurchases of long-term debt, including current portion and refinancing costs	(8)	(810)
Net Cash Provided by (Used in) Financing Activities	(9)	(220)
Effect of Exchange Rates on Cash and Cash Equivalents	(41)	(23)
Net Change in Cash and Cash Equivalents	98	(472)
Cash and Cash Equivalents at Beginning of Period	631	979
Cash and Cash Equivalents at End of Period	729	507
Supplemental Disclosure of Cash Flow Information:
Cash interest paid	408	513
Income taxes paid, net of refunds	34	24
Long-Term Debt Issued and Proceeds Placed into Escrow	1,000	0
Capital Lease Obligations Incurred	2	13
Notes issued for property	$ 0	$ 12