XML 121 R101.htm IDEA: XBRL DOCUMENT
v3.21.2

BENEFIT PLANS - Defined Contribution Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jul. 31, 2021 | Aug. 01, 2020 | Aug. 03, 2019
Retirement Benefits [Abstract] |  |  |
Total employer contribution expenses | $ 27 | $ 21 | $ 21

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration