Accounts Receivable and Finance Receivables - Finance receivables by delinquency aging category (Details) - USD ($) $ in Millions	Jan. 04, 2020	Dec. 29, 2018
Finance receivables held for investment by delinquency aging
60 + days contractual delinquency as a percentage of finance receivables	2.40%	1.77%
Less than 31 days past due
Finance receivables held for investment by delinquency aging
Total finance receivables	$ 637	$ 719
31-60 days past due
Finance receivables held for investment by delinquency aging
Total finance receivables	53	56
61- 90 days past due
Finance receivables held for investment by delinquency aging
Total finance receivables	7	5
Over 90 days past due
Finance receivables held for investment by delinquency aging
Total finance receivables	$ 10	$ 9