Accounts Receivable and Finance Receivables - Allowance for Losses On Finance Receivables On An Individual And An A Collective Basis And Rollforward of The Allowance For Losses on Finance Receivables (Details) - USD ($) $ in Millions	Jan. 02, 2021	Jan. 04, 2020
Finance receivables
Leveraged leases	$ 95	$ 104
Allowance for losses
Allowance based on collective evaluation	28	22
Allowance based on individual evaluation	7	3
Finance receivables evaluated collectively	521	564
Finance receivables evaluated individually	$ 163	$ 39