Allowance for Doubtful Accounts (Tables)

12 Months Ended

Jan. 02, 2021

Receivables [Abstract]

Summary of Activity in Allowance for Doubtful Accounts

A summary of the activity in the allowance for doubtful accounts for the last three fiscal years is as follows:

	2020		2019		2018
Balance as of beginning of year	$	30	$	29	$	26
Charged to costs and expenses	63		21		17
Adoption of ASU 2016-13 (see Note 3)	1		—		—
Customer accounts written off—net of recoveries	(27)		(20)		(14)
Balance as of end of year	$	67	$	30	$	29