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Employee Benefits - Pension and Other Defined Contribution Retirement Plan Expenses (Detail) - Pension Plans - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
U.S. Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost for benefits earned $ 1 $ 1 $ 1 $ 1
Interest cost on projected benefit obligation 3 4 6 8
Expected return on plan assets (5) (7) (10) (14)
Net amortization and deferrals 2 2 4 4
Net periodic benefit (income) cost 1 0 1 (1)
Non-U.S. Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost for benefits earned 12 6 22 12
Interest cost on projected benefit obligation 3 3 5 6
Expected return on plan assets (13) (11) (25) (23)
Net amortization and deferrals 5 4 10 8
Net periodic benefit (income) cost $ 7 $ 2 $ 12 $ 3