Employee Benefit Plans - Actual and Target Allocations (Details)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
U.S. Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	100.00%	100.00%
International Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	100.00%	100.00%
Equity Securities [Member] \| U.S. Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	0.00%	18.00%
Target Asset Allocation, Equity securities, Minimum	0.00%
Target Asset Allocation, Equity securities, Maximum	2.00%
Equity Securities [Member] \| International Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	24.00%	24.00%
Target Asset Allocation, Equity securities, Minimum	24.00%
Target Asset Allocation, Equity securities, Maximum	31.00%
Debt Securities [Member] \| U.S. Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	97.00%	80.00%
Target Asset Allocation, Equity securities, Minimum	96.00%
Target Asset Allocation, Equity securities, Maximum	100.00%
Debt Securities [Member] \| International Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	65.00%	65.00%
Target Asset Allocation, Equity securities, Minimum	61.00%
Target Asset Allocation, Equity securities, Maximum	68.00%
Real Estate [Member] \| U.S. Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	1.00%	2.00%
Target Asset Allocation, Equity securities, Minimum	0.00%
Target Asset Allocation, Equity securities, Maximum	2.00%
Real Estate [Member] \| International Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	6.00%	6.00%
Target Asset Allocation, Equity securities, Minimum	3.00%
Target Asset Allocation, Equity securities, Maximum	5.00%
Other [Member] \| U.S. Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	2.00%	0.00%
Target Asset Allocation, Equity securities, Minimum	0.00%
Target Asset Allocation, Equity securities, Maximum	2.00%
Other [Member] \| International Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	5.00%	5.00%
Target Asset Allocation, Equity securities, Minimum	3.00%
Target Asset Allocation, Equity securities, Maximum	6.00%
Fixed Income Assets [Member] \| U.S. Pension Benefits [Member]
Defined Benefit Plan, Assets, Target Allocations [Abstract]
Allocation of plan asset, percentage	100.00%	80.00%

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Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

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)(i)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920

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- Definition

Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ References

+ Details

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: 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=21915506&loc=d3e2446-114920

Reference 2: 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=21915506&loc=d3e1928-114920

Reference 3: 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.

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