Components of Net Periodic Pension Expense (Benefit) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense (benefit)	$ 1	$ (1)
North America
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	1
Interest cost	9	9
Expected return on plan assets	(10)	(11)
United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	2	2
Expected return on plan assets	$ (2)	$ (2)