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Post-Employment and Other Long-Term Employees Benefits - Weighted Average Assumptions Used in Determination of Benefit Obligation and Plan Assets (Detail)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Compensation And Retirement Disclosure [Abstract]      
Discount rate 4.18% 1.84%  
Salary increase rate 2.31% 2.27%  
Expected long-term rate of return on funds for the pension expense of the following year 2.66% 3.19%  
Net periodic benefit cost, Discount rate 1.84% 1.45% 1.95%
Net periodic benefit cost, Salary increase rate 2.27% 2.43% 2.48%
Net periodic benefit cost, Expected long-term rate of return on funds for the pension expense of the year 3.19% 3.44% 4.04%