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Post-Employment and Other Long-Term Employees Benefits - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Pension plans with accumulated benefit obligations in excess of plan assets, accumulated benefit obligation $ 528 $ 773  
Pension plans with accumulated benefit obligations in excess of plan assets, fair value of plan assets 134 327  
Pension plans with expected projected benefit obligations in excess of plan assets, projected benefit obligation 499 675  
Pension benefits components other than service cost, 10 12 $ 16
Accrued benefits related to defined contribution pension plans 23 23  
Annual cost of defined contribution plans 101 91 $ 86
Pension Benefits [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Pension plans with benefit obligations in excess of plan assets, benefit obligation 1,030 1,177  
Employer contributions 17 $ 17  
Expected contribution in cash $ 26