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Post-Retirement and Other Long-Term Employees Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Post-Retirement and Other Long-Term Employees Benefits [Abstract]

Changes in benefit obligation and plan assets

		Pension Benefits								Other Long-Term Benefits
		December 31, 2011				December 31, 2010				December 31, 2011				December 31, 2010
Change in benefit obligation:
Benefit obligation at beginning of year			701				654				50				43
Service cost			34				25				8				8
Interest cost			33				26				3				2
Employee contributions			7				5				—				—
Benefits paid			(20	)			(12	)			(2	)			(3	)
Effect of settlement			(18	)			(18	)							—
Effect of curtailment			—				(2	)			—				(1	)
Actuarial (gain) loss			73				19				(5	)			4
Transfer in			3				—				1				—
Transfer out			(3	)			(2	)			(1	)			—
Plan amendment			—				12				—				—
Foreign currency translation adjustment			(16	)			(6	)			(2	)			(3	)
Benefit obligation at end of year			794				701				52				50
Change in plan assets:
Plan assets at fair value at beginning of year			372				339				—				—
Expected return on plan assets			20				18				—				—
Employer contributions			30				24				—				—
Employee contributions			7				5				—				—
Benefits paid			(8	)			(4	)			—				—
Effect of settlement			(16	)			(18	)			—				—
Actuarial gain (loss)			(25	)			1				—				—
Transfer in			1				—				—				—
Transfer out			(1	)			—				—				—
Foreign currency translation adjustments			(2	)			7				—				—
Plan assets at fair value at end of year			378				372				—				—
Funded status			(416	)			(329	)			(52	)			(50	)
Net amount recognized in the balance sheet consisted of the following:
Non-current assets			1				4				—				—
Current liabilities			(16	)			(18	)			(3	)			(3	)
Long-term liabilities			(401	)			(315	)			(49	)			(47	)
Net amount recognized			(416	)			(329	)			(52	)			(50	)

Accumulated other comprehensive income (loss) before tax effects

		Actuarial (gains)/losses				Prior service cost				Total
Other comprehensive loss as at December 31, 2009			72				4				76
Net amount generated/arising in current year			21				12				33
Amortization			(9	)			(5	)			(14	)
Foreign currency translation adjustment			2				—				2
Other comprehensive loss as at December 31, 2010			86				11				97
Net amount generated/arising in current year			98				—				98
Amortization			(6	)			(1	)			(7	)
Foreign currency translation adjustment			(3	)			—				(3	)
Other comprehensive loss as at December 31, 2011			175				10				185

Components of the net periodic benefit cost

		Pension Benefits												Other Long-term Benefits
		Year ended December 31, 2011				Year ended December 31, 2010				Year ended December 31, 2009				Year ended December 31, 2011				Year ended December 31, 2010				Year ended December 31, 2009
Service cost			34				25				22				8				8				4
Interest cost			33				26				25				3				2				2
Expected return on plan assets			(20	)			(18	)			(16	)			—				—				—
Amortization of actuarial net loss (gain)			6				4				6				(5	)			3				(1	)
Amortization of prior service cost			1				1				2				—				1				—
Effect of settlement			(1	)			5				2								—				—
Effect of curtailment			—				(2	)			(2	)			—				(1	)			—
Net periodic benefit cost			53				41				39				6				13				5

Weighted average assumptions used in the determination of the benefit obligation and the plan asset

Assumptions		December 31, 2011				December 31, 2010				December 31, 2009
Discount rate			4.14	%			4.68	%			5.11	%
Salary increase rate			2.99	%			3.13	%			3.08	%
Expected long-term rate of return on funds for the pension expense of the year			4.57	%			4.99	%			5.28	%

Pension plan asset allocation

		Percentage of Plan Assets at December
Asset Category			2011				2010
Equity securities			31	%			39	%
Bonds securities remunerating interest			44	%			32	%
Real estate			7	%			7	%
Other			18	%			22	%
Total			100	%			100	%

Pension plan asset allocation including the fair-value measurements

		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash and cash equivalents			10				10				—				—
Equity securities			118				72				46				—
Government debt securities			59				14				45				—
Corporate debt securities			105				64				41				—
Derivatives			20				16				4				—
Investment funds			33				1				30				2
Real estate			28				3				21				4
Other (mainly insurance assets — contracts and reserves)			5				1				—				4
TOTAL			378				181				187				10

Reconciliation for plan assets measured at fair value using unobservable inputs (Level 3)

For plan assets measured at fair value using significant unobservable inputs (Level 3), the reconciliation between January 1, 2011 and December 31, 2011 is presented as follows:

In millions of U.S. dollars		Fair Value Measurements using Significant Unobservable Inputs (Level 3)
January 1, 2011			12
Reclassification to Level 2			(2	)
December 31, 2011			10

For plan assets measured at fair value using significant unobservable inputs (Level 3), the reconciliation between January 1, 2010 and December 31, 2010 is presented as follows:

In millions of U.S. dollars		Fair Value Measurements using Significant Unobservable Inputs (Level 3)
January 1, 2010			12
Actual return on plan assets mainly due to real estate			(2	)
Reclassification from Level 2			2
December 31, 2010			12

Estimated future benefit payments

Years		Pension Benefits				Other Long-term Benefits
2012			30				3
2013			25				3
2014			34				10
2015			30				4
2016			33				4
From 2017 to 2021			206				31

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