Pension Plans, Postretirement and Other Employee Benefits (Details)	Dec. 31, 2011	Dec. 31, 2010
United States Pension Plans of US Entity, Defined Benefits [Member]
Pension Plan assets, classes of securities
Defined Benefit Plan, Equity Securities	70.00%	71.00%
Defined Benefit Plan, Debt Securities	29.00%	28.00%
Defined Benefit Plan, Real Estate	0.00%	0.00%
Defined Benefit Plan, Other Plan Assets	1.00%	1.00%
Foreign Pension Plans, Defined Benefit [Member]
Pension Plan assets, classes of securities
Defined Benefit Plan, Equity Securities	53.00%	57.00%
Defined Benefit Plan, Debt Securities	40.00%	36.00%
Defined Benefit Plan, Real Estate	2.00%	2.00%
Defined Benefit Plan, Other Plan Assets	5.00%	5.00%

The percentage of the fair value of investments other than debt securities, equity securities, and real estate to the fair value of total plan assets held as of the measurement date.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2446-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

Name:	us-gaap_DefinedBenefitPlanOtherPlanAssets
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant