Accounts Receivable Financing Program (Detail) - USD ($) $ in Billions	Jun. 29, 2019	Dec. 29, 2018
ABS Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable	$ 1.0	$ 1.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration