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Components of Net Periodic Pension Benefit (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 26, 2021
Jun. 27, 2020
Jun. 26, 2021
Jun. 27, 2020
North America        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost $ 5 $ 7 $ 10 $ 14
Expected return on plan assets (8) (8) (15) (16)
Net periodic pension benefit (3) (1) (5) (2)
United Kingdom        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 0 0
Interest cost 1 1 2 2
Expected return on plan assets (2) $ (1) (3) $ (2)
Net periodic pension benefit $ (1)   $ (1)