Assets Held for Sale Schedule of Assets Held for Sale Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Movement in Property, Plant and Equipment [Roll Forward]
Balance as of beginning of year	$ 4,373
Balance as of end of the year	4,587	$ 4,373
Held-for-sale
Movement in Property, Plant and Equipment [Roll Forward]
Balance as of beginning of year	1	7
Transfers in	24	0
Assets sold	(24)	(6)
Balance as of end of the year	1	$ 1
Vacant Land [Member]
Movement in Property, Plant and Equipment [Roll Forward]
Proceeds from sale of fixed assets	32
Gain on sale of fixed assets	17
Excess Facilities [Member]
Movement in Property, Plant and Equipment [Roll Forward]
Assets sold	$ (10)