Restructuring and Other Exit Costs - Summary of Restructuring and Other Exit Activities (Details) $ in Millions	6 Months Ended
	Jul. 03, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Balance at January 3, 2020	$ 65
Additional provisions	22
Payments	(39)
Total changes	(17)
Balance at July 3, 2020	48
Employee severance-related costs
Restructuring Reserve [Roll Forward]
Balance at January 3, 2020	58
Additional provisions	22
Payments	(38)
Total changes	(16)
Balance at July 3, 2020	42
Facilities consolidation and other exit costs
Restructuring Reserve [Roll Forward]
Balance at January 3, 2020	7
Additional provisions	0
Payments	(1)
Total changes	(1)
Balance at July 3, 2020	$ 6