Retirement Plans - Components of Net Periodic Benefit Costs (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Retirement Benefits [Abstract]
Service cost	$ 1	$ 0	$ 2	$ 1
Interest cost	7	8	14	15
Expected return on plan assets	(13)	(13)	(27)	(26)
Amortization of net loss	0	1	0	1
Net periodic pension benefit credits	$ (5)	$ (4)	$ (11)	$ (9)