Consolidating Financial Information (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 8.25% senior notes	Dec. 31, 2013 8.75% Notes due 2020	Dec. 31, 2013 6.5% Notes due 2021	Dec. 31, 2013 7% Notes due 2022	Dec. 31, 2012 Sales Non-Guarantor Subsidiaries	Dec. 31, 2011 Sales Non-Guarantor Subsidiaries	Dec. 31, 2012 Interest Expense Non-Guarantor Subsidiaries	Dec. 31, 2011 Interest Expense Non-Guarantor Subsidiaries	Dec. 31, 2013 Equity Method Investments Non-Guarantor Subsidiaries
Consolidating Financial Information (Textuals)
Issuance of aggregate principal amount of senior notes		$ 1,000	$ 282	$ 900	$ 700
Debt Instrument, Interest Rate, Stated Percentage		8.25%	8.75%	6.50%	7.00%
Debt Instrument, Maturity Date		Aug. 15, 2020	Aug. 15, 2020	Mar. 01, 2021	May 15, 2022
Additional Consolidating Financial Information (Textuals)
Percentage Of Ownership Over Guarantor Subsidiaries	100.00%
Guarantor Obligations, Related Party Disclosure	The notes are fully and unconditionally guaranteed on a joint and several basis by each guarantor subsidiary.
Consolidating Financial Information Restrictions on Remittance of Funds	Certain non-guarantor subsidiaries of the Parent Company are limited in their ability to remit funds to it by means of dividends, advances or loans due to required foreign government and/or currency exchange board approvals or limitations in credit agreements or other debt instruments of those subsidiaries.
Effect of Change on Prior Period Consolidating Statement of Operations						8,759	10,637	(150)	(177)
Effect of Change on Prior Period Condensed Consolidating Balance Sheet										$ (4,576)