Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows from Operating Activities:
Net Income	$ 110	$ 248
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	872	558
Non-cash compensation expense attributable to stock awards	92	48
Loss on modification and extinguishment of debt	163	0
Venezuela deconsolidation charge	171	0
Accretion of debt discount and amortization of debt issuance costs	18	27
Accrued interest on long-term debt, net	(28)	24
Non-cash tax adjustments	0	(9)
Deferred income taxes	5	2
Loss (gain) on sale of property, plant and equipment and other assets	1	(3)
Other, net	32	(19)
Changes in working capital items:
Receivables	(130)	(25)
Other current assets	(21)	(31)
Accounts payable	(1)	(35)
Deferred revenue	59	(29)
Other current liabilities	(44)	9
Net Cash Provided by Operating Activities	1,299	765
Cash Flows from Investing Activities:
Capital expenditures	(899)	(608)
Cash related to deconsolidated Venezuela operations	(83)	0
Increase in restricted cash and securities, net	(24)	(10)
Proceeds from sale of property, plant and equipment and other assets	3	3
Other	(14)	(2)
Net Cash Used in Investing Activities	(1,017)	(617)
Cash Flows from Financing Activities:
Long-term debt borrowings, net of issuance costs	3,947	(1)
Payments on and repurchases of long-term debt, including current portion and refinancing costs	(4,102)	(8)
Net Cash Used in Financing Activities	(155)	(9)
Effect of Exchange Rates on Cash and Cash Equivalents	(16)	(41)
Net Change in Cash and Cash Equivalents	111	98
Cash and Cash Equivalents at Beginning of Period	580	631
Cash and Cash Equivalents at End of Period	691	729
Supplemental Disclosure of Cash Flow Information:
Cash interest paid	495	408
Income taxes paid, net of refunds	40	34
Non-cash Financing Activities:
Long-term debt issued and proceeds placed into escrow	0	1,000
Capital Lease Obligations Incurred	6	2
Long-term debt conversion into equity	333	0
Accrued interest conversion into equity	$ 10	$ 0