Special Charges - Restructuring Reserve (Details) $ in Millions	6 Months Ended
	Jul. 03, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 52
Provision for 2020 COVID-19 restructuring plan	5
Cash paid	(21)
Foreign currency translation	(1)
Ending balance	35
Severance Costs
Restructuring Reserve [Roll Forward]
Beginning balance	43
Provision for 2020 COVID-19 restructuring plan	0
Cash paid	(16)
Foreign currency translation	(1)
Ending balance	26
Contract Termination and Other
Restructuring Reserve [Roll Forward]
Beginning balance	9
Provision for 2020 COVID-19 restructuring plan	5
Cash paid	(5)
Foreign currency translation	0
Ending balance	$ 9