Employee Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Components of net periodic benefit cost:
Service cost	$ 2	$ 2	$ 5	$ 5
Interest cost	2	3	4	6
Expected return on plan assets	(3)	(3)	(6)	(6)
Amortization	3	3	5	4
Settlement loss recognized	3		3	2
Net periodic benefit cost	$ 7	$ 5	$ 11	$ 11