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Employee Benefit Plans - Additional Information (Detail)
$ in Millions
9 Months Ended
Sep. 29, 2018
USD ($)
North America  
Defined Benefit Plan Disclosure [Line Items]  
Pension and other postretirement contributions, current period $ 5
Voluntary contribution 3
Pension and other postretirement contributions, remainder of fiscal year 1
United Kingdom  
Defined Benefit Plan Disclosure [Line Items]  
Pension and other postretirement contributions, current period $ 2