Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Allowance for Doubtful Accounts Receivable [Roll Forward]
Charged to costs and expenses	$ 63	$ 21	$ 17
Vendor receivable related allowance for doubtful accounts	5	4	3
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for Doubtful Accounts Receivable	30	29	26
Charged to costs and expenses	63	21	17
Adoption of ASU 2016-13 (see Note 3)	1	0	0
Customer accounts written off—net of recoveries	(27)	(20)	(14)
Allowance for Doubtful Accounts Receivable	$ 67	$ 30	$ 29