Employee Benefits (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Components of net periodic benefit cost:
Service cost	$ 3	$ 2	$ 8	$ 7
Interest cost	3	2	7	8
Expected return on plan assets	(3)	(2)	(9)	(8)
Amortization	2	1	7	5
Settlement loss recognized		9	3	11
Net periodic benefit cost	$ 5	$ 12	$ 16	$ 23