Consolidating Financial Information (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Consolidating Financial Information (Textuals) [Abstract]
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.
Senior Notes 8 Point 25 Percent
Additional Consolidating Financial Information (Textuals) [Abstract]
Issuance of aggregate principal amount of senior notes	1,000
Interest on Notes	8.25%
Debt Instrument, Maturity Date	Aug. 15, 2020
7.0% Notes Due In 2022
Additional Consolidating Financial Information (Textuals) [Abstract]
Issuance of aggregate principal amount of senior notes	700
Interest on Notes	7.00%
Debt Instrument, Maturity Date	May 15, 2022
8.75% Notes due 2020
Additional Consolidating Financial Information (Textuals) [Abstract]
Issuance of aggregate principal amount of senior notes	282
Interest on Notes	8.75%
Debt Instrument, Maturity Date	Aug. 15, 2020
6.5% Notes due 2021
Additional Consolidating Financial Information (Textuals) [Abstract]
Issuance of aggregate principal amount of senior notes	900
Interest on Notes	6.50%
Debt Instrument, Maturity Date	Mar. 01, 2021
Cash Flows from Operating Activities | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	50
Cash Flows from Operating Activities | Parent Company
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	(50)
Cash Flows from Investing Activities | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	(42)
Cash Flows from Investing Activities | Parent Company
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	(11)
Cash Flows from Investing Activities | Consolidating Entries and Eliminations
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	53
Cash Flows from Financing Activities | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	(8)
Cash Flows from Financing Activities | Parent Company
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	61
Cash Flows from Financing Activities | Consolidating Entries and Eliminations
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Statement of Cash Flows	(53)
Investments in Subsidiaries | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Balance Sheet	(4,576)
Total Shareholders' Equity | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Condensed Consolidating Balance Sheet	4,576
Sales | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Consolidating Statement of Operations	2,597
Cost of Sales | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Consolidating Statement of Operations	(2,597)
Interest Expense | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Consolidating Statement of Operations	(37)
Other Expense | Non-Guarantor Subsidiaries
Additional Consolidating Financial Information (Textuals) [Abstract]
Effect of Change on Prior Period Consolidating Statement of Operations	37