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Long-Term Employee Benefit Liabilities (Details 8) (Pension Plans, Defined Benefit [Member])				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]
Asset allocation of the defined benefit pension plans
Equity securities		60.00%	50.00%
Equity securities, Minimum				55.00%
Equity securities, Maximum					75.00%
Fixed income securities		39.00%	21.00%
Fixed income securities, Minimum				25.00%
Fixed income securities, Maximum					45.00%
Cash and cash equivalents		1.00%	29.00%
Cash and cash equivalents, Minimum				0.00%
Cash and cash equivalents, Maximum					15.00%
Total		100.00%
Total	100.00%		100.00%

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Defined benefit plan target allocation percentage of assets debt securities maximum.

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The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date.

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Target allocation maximum percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

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

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-Number 132R

-Paragraph 5

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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