Exit and Restructuring Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Restructuring Cost and Reserve [Line Items]
Exit and restructuring costs	$ 0	$ 2	$ 0	$ 6
2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Exit and restructuring costs		$ 2		$ 6