Consolidating Financial Information (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2012 8.25% senior notes [Member]	Dec. 31, 2012 8.75% Notes due 2020 [Member]	Dec. 31, 2012 7% Notes due 2022 [Member]	Feb. 28, 2012 7% Notes due 2022 [Member]
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 restricted from remitting funds to it by means of dividends, advances or loans due to required foreign government and/or currency exchange board approvals or restrictions in credit agreements or other debt instruments of those subsidiaries.
Additional Consolidating Financial Information (Textuals) [Abstract]
Issuance of aggregate principal amount of senior notes		$ 1,000	$ 282	$ 700	$ 700
Interest on Notes		8.25%	8.75%	7.00%	7.00%
Maturity of senior notes		8/15/2020	8/15/2020	5/15/2022

Describes certain required disclosures for those guarantees that are issued to benefit entities meeting the definition of a related party.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12265-110248

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Related Parties

-URI http://asc.fasb.org/extlink&oid=16382449

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 45

-Paragraph 16

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 2

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 57

-Paragraph 24

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details