Accounts Receivable and Finance Receivables - Accounts receivable (Details) - Manufacturing group - USD ($) $ in Millions	Jul. 04, 2020	Jan. 04, 2020
Accounts Receivable
Accounts Receivable, Gross	$ 806	$ 950
Allowance for credit losses	(42)	(29)
Total accounts receivable, net	764	921
Commercial
Accounts Receivable
Accounts Receivable, Gross	650	835
U.S. Government contracts
Accounts Receivable
Accounts Receivable, Gross	$ 156	$ 115

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant