Employee Benefits (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Components of net periodic benefit cost:
Service cost	$ 3	$ 3
Interest cost	2	3
Expected return on plan assets	(3)	(3)
Amortization	2	3
Net periodic benefit cost	$ 4	$ 6