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Components of Net Periodic Pension Expense (Benefit) (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 26, 2020 | Sep. 28, 2019 | Sep. 26, 2020 | Sep. 28, 2019
North America |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost |  | $ 2 |  | $ 6
Interest cost | $ 7 | 9 | $ 21 | 27
Expected return on plan assets | (8) | (11) | (24) | (32)
Net periodic pension expense (benefit) | (1) |  | (3) | 1
United Kingdom |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0 | 0 | 0 | 0
Interest cost | 2 | 1 | 4 | 4
Expected return on plan assets | $ (2) | $ (1) | $ (4) | (5)
Net periodic pension expense (benefit) |  |  |  | $ (1)

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