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Long-Term Employee Benefit Liabilities (Details 1) (Pension Plans, Defined Benefit [Member])	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Pension Plans, Defined Benefit [Member]
Projected benefit obligation
Discount rate	4.70%	5.50%	5.80%
Rate of compensation increase	2.80%	2.60%	3.60%
Net periodic benefit cost
Discount rate	5.20%	5.90%	6.30%
Rate of compensation increase	2.70%	3.50%	3.60%
Expected return on plan assets	7.10%	7.70%	7.40%

X

- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

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-Name Statement of Financial Accounting Standard (FAS)

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X

- Definition

Expected rate of compensation increases (for pay-related plans).

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- Definition

The interest rate used to adjust for the time value of money.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

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Expected rate of compensation increases (for pay-related plans).

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