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Restructuring Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Restructuring Liabilities (Details) - USD ($) $ in Millions	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			$ 2
Restructuring Costs	$ 1	$ 16	4	$ 16
Payments for Restructuring			(1)
Restructuring Reserve	5		5
Severance and Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			1
Restructuring Costs			4
Payments for Restructuring			(1)
Restructuring Reserve	4		4
Facility Closing Costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve			1
Restructuring Costs			0
Payments for Restructuring			0
Restructuring Reserve	$ 1		1
Severance and Related Costs and Facility Closing Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs			$ 4