Property, Plant, and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019	Jan. 03, 2020
Property, Plant and Equipment
Land	$ 90		$ 90		$ 90
Software capitalized for internal use	362		362		287
Buildings	1,065		1,065		1,073
Machinery and equipment	2,219		2,219		2,194
Property, plant and equipment, gross	3,736		3,736		3,644
Less accumulated depreciation and amortization	(1,689)		(1,689)		(1,527)
Total property, plant and equipment	2,047		2,047		$ 2,117
Depreciation and amortization expense related to property, plant and equipment	$ 83	$ 79	$ 237	$ 149