SIGNIFICANT ACCOUNTING POLICIES - Changes in Insurance Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
Jul. 30, 2022	Jul. 31, 2021	Aug. 01, 2020
Self Insurance Reserve Rollforward Abstract [Roll Forward]
Beginning balance	$ 103	$ 101	$ 89
Expense	44	48	44
Claim payments	(50)	(48)	(36)
Reclassifications	1	2	4
Ending balance	$ 98	$ 103	$ 101

Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_SelfInsuranceReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant