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Employee Benefit Plans - Additional Information (Detail) $ in Millions | 9 Months Ended
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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

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