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

12 Months Ended

Dec. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Changes in Benefit Obligation and Plan Assets

The changes in benefit obligation and plan assets were as follows:

		Pension Benefits												Other Long-Term Benefits
		December 31, 2021					December 31, 2020							December 31, 2021							December 31, 2020
Change in benefit obligation:
Benefit obligation at beginning of year			1,216							1,036							101							88
Service cost			36							31							13							11
Interest cost			21							21							1							1
Employee contributions			4							4							—							—
Plan amendments			—							1							—							—
Benefits paid			(25		)					(13		)					(5		)					(11		)
Effect of settlement			(8		)					(2		)					—							—
Business combination			3							—							—							—
Actuarial (gain) loss			(48		)					83							—							3
Foreign currency translation and other adjustments			(34		)					55							(16		)					9
Benefit obligation at end of year			1,165							1,216							94							101
Change in plan assets:
Plan assets at fair value at beginning of year			718							597							—							—
Actual return on plan assets			32							84							—							—
Employer contributions			17							17							—							—
Employee contributions			4							4							—							—
Benefits paid			(12		)					(3		)					—							—
Effect of settlement			(8		)					—							—							—
Business combination			2							—							—							—
Foreign currency translation and other adjustments			(10		)					19							—							—
Plan assets at fair value at end of year			743							718							—							—
Funded status			(422		)					(498		)					(94		)					(101		)

Net amount recognized in the consolidated balance sheets consisted of the following:

		Pension Benefits								Other Long-Term Benefits
		December 31, 2021				December 31, 2020				December 31, 2021				December 31, 2020
Non-current assets			15				4				—				—
Current liabilities			(11	)			(9	)			(4	)			(4	)
Long-term liabilities			(426	)			(493	)			(90	)			(97	)
Net amount recognized			(422	)			(498	)			(94	)			(101	)

Accumulated Other Comprehensive Income (Loss) Before Tax Effects

The components of accumulated other comprehensive loss (income) before tax effects were as follows:

		Actuarial (gains)/losses				Prior service cost				Total
Accumulated other comprehensive loss as at    December 31, 2019			197				3				200
Net amount generated/arising in current year			21				1				22
Amortization			(13	)			(1	)			(14	)
Foreign currency translation adjustment			11				—				11
Accumulated other comprehensive loss as at    December 31, 2020			216				3				219
Net amount generated/arising in current year			(56	)			—				(56	)
Amortization			(12	)			(1	)			(13	)
Foreign currency translation adjustment			(6	)			—				(6	)
Accumulated other comprehensive loss as at    December 31, 2021			142				2				144

Schedule of Accumulated Benefit Obligations

The accumulated benefit obligations were as follows:

Pension Benefits

Other Long-Term Benefits

December 31, 2021

December 31, 2020

December 31, 2021

December 31, 2020

Accumulated benefit obligations

1,004

1,053

79

83

Components of Net Periodic Benefit Cost

The components of the net periodic benefit cost included the following:

		Pension Benefits												Other Long-term Benefits
		Year ended December 31, 2021				Year ended December 31, 2020				Year ended December 31, 2019				Year ended December 31, 2021				Year ended December 31, 2020				Year ended December 31, 2019
Service cost			36				31				27				13				11				5
Interest cost			21				21				24				1				1				1
Expected return on plan assets			(24	)			(23	)			(22	)			—				—				—
Amortization of actuarial net loss (gain)			12				12				10				—				3				7
Amortization of prior service cost			1				1				1				—				—				—
Effect of settlement			—				1				3				—				—				—
Net periodic benefit cost			46				43				43				14				15				13

Weighted Average Assumptions Used in Determination of Benefit Obligation and Plan Assets

The weighted average assumptions used in the determination of the benefit obligation and the plan assets for the pension plans and the other long-term benefits were as follows:

Assumptions		2021				2020
Discount rate			1.84	%			1.45	%
Salary increase rate			2.27	%			2.43	%
Expected long-term rate of return on funds for    the pension expense of the following year			3.19	%			3.44	%

The weighted average assumptions used in the determination of the net periodic benefit cost for the pension plans and the other long-term benefits were as follows:

Assumptions		2021				2020				2019
Discount rate			1.45	%			1.95	%			2.75	%
Salary increase rate			2.43	%			2.48	%			2.32	%
Expected long-term rate of return on funds for    the pension expense of the year			3.44	%			4.04	%			4.16	%

Pension Plan Asset Allocation

The Company’s pension plan asset allocation as at December 31, 2021 and December 31, 2020 is as follows:

		Percentage of Plan Assets at December
Asset Category		2021				2020
Cash and cash equivalents			1	%			1	%
Equity securities			17	%			23	%
Government debt securities			12	%			12	%
Corporate debt securities			22	%			15	%
Investments in funds(a)			21	%			21	%
Real estate			1	%			2	%
Other (mainly insurance assets – contracts and    reserves)			26	%			26	%
Total			100	%			100	%

^(a) As at December 31, 2021, investments in funds were composed of commingled and multi-strategy funds invested in diversified portfolios of fixed income (73%) - mainly corporate bonds, equity (15%) and other instruments (12%).  As at December 31, 2020, investments in funds were composed of commingled and multi-strategy funds invested in diversified portfolios of fixed income (72%) - mainly corporate bonds, equity (13%) and other instruments (15%).

Pension Plan Asset Allocation Including Fair-Value Measurements

The Company’s detailed pension plan asset allocation including the fair-value measurements of those plan assets as at December 31, 2021 is as follows:

		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			5				5				—				—
Equity securities			130				2				128				—
Government debt securities			87				—				87				—
Corporate debt securities			164				—				139				25
Investment funds			156				1				155				—
Real estate			10				—				10				—
Other (mainly insurance assets –    contracts and reserves)			191				—				49				142
TOTAL			743				8				568				167

The Company’s detailed pension plan asset allocation including the fair-value measurements of those plan assets as at December 31, 2020 is as follows:

		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			4				4				—				—
Equity securities			167				2				165				—
Government debt securities			86				—				86				—
Corporate debt securities			105				—				81				24
Investment funds			153				3				150				—
Real estate			11				—				11				—
Other (mainly insurance assets –    contracts and reserves)			192				—				54				138
TOTAL			718				9				547				162

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, 2021 and December 31, 2021 is presented as follows:

		Fair Value Measurements using Significant Unobservable Inputs (Level 3)
January 1, 2021			162
Contributions (employer and employee)			15
Actual return on plan assets			2
Net benefit payments (a)			1
Settlements			(8	)
Foreign currency translation adjustment			(5	)
December 31, 2021			167

^{(a) Net cash flows between benefits paid from the insurance contracts and benefits transferred into the insurance contracts by employees.}

For plan assets measured at fair value using significant unobservable inputs (Level 3), the reconciliation between January 1, 2020 and December 31, 2020 is presented as follows:

		Fair Value Measurements using Significant Unobservable Inputs (Level 3)
January 1, 2020			113
Contributions (employer and employee)			14
Actual return on plan assets			2
Net benefit payments (a)			11
Settlements			—
Transfer in Level 3			10
Foreign currency translation adjustment			12
December 31, 2020			162

^{(a) Net cash flows between benefits paid from the insurance contracts and benefits transferred into the insurance contracts by employees.}

Estimated Future Benefit Payments

The Company’s estimated future benefit payments as at December 31, 2021 are as follows:

Years		Pension Benefits				Other Long-term Benefits
2022			38				5
2023			39				4
2024			48				7
2025			57				9
2026			67				8
From 2027 to 2031			299				41

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