Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Allowance for Doubtful Accounts Receivable [Roll Forward]
Charged to costs and expenses	$ 21	$ 17	$ 18
Vendor receivable related allowance for doubtful accounts	4	3	3
Allowance for Doubtful Accounts
Allowance for Doubtful Accounts Receivable [Roll Forward]
Allowance for Doubtful Accounts Receivable	29	26	25
Charged to costs and expenses	21	17	18
Customer accounts written off—net of recoveries	(20)	(14)	(17)
Allowance for Doubtful Accounts Receivable	$ 30	$ 29	$ 26