Property, Plant, and Equipment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019	Jan. 03, 2020
Property, Plant and Equipment
Land	$ 90		$ 90		$ 90
Software capitalized for internal use	357		357		287
Buildings	1,041		1,041		1,073
Machinery and equipment	2,166		2,166		2,194
Property, plant and equipment, gross	3,654		3,654		3,644
Less accumulated depreciation and amortization	(1,639)		(1,639)		(1,527)
Property, plant and equipment, net	2,015		2,015		$ 2,117
Depreciation and amortization expense related to property, plant and equipment	$ 78	$ 36	$ 154	$ 70