Retirement Plans - Components of Net Periodic Benefit Costs (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Retirement Benefits [Abstract]
Service cost	$ 1	$ 1
Interest cost	7	9
Expected return on plan assets	(13)	(12)
Amortization of net loss	0	1
Net periodic pension benefit credits	$ (5)	$ (1)