Restructuring and Other Exit Costs - Summary of Restructuring and Other Exit Activities (Details) $ in Millions	9 Months Ended
	Oct. 02, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Balance at January 3, 2020	$ 65
Additional provisions	24
Payments	(50)
Other, including foreign currency translation adjustments	1
Total changes	(25)
Balance at October 2, 2020	40
Employee severance-related costs
Restructuring Reserve [Roll Forward]
Balance at January 3, 2020	58
Additional provisions	24
Payments	(49)
Other, including foreign currency translation adjustments	1
Total changes	(24)
Balance at October 2, 2020	34
Facilities consolidation and other exit costs
Restructuring Reserve [Roll Forward]
Balance at January 3, 2020	7
Additional provisions	0
Payments	(1)
Other, including foreign currency translation adjustments	0
Total changes	(1)
Balance at October 2, 2020	$ 6