BENEFIT PLANS - Significant Multiemployer Plans (Details) $ in Millions	12 Months Ended
Jul. 30, 2022 USD ($) plan	Jul. 31, 2021 USD ($)	Aug. 01, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Contributions	$ 45	$ 48	$ 52
PPA surcharges (as a percent)	5.00%	10.00%
Number of plans included in All Other Multiemployer Pension Plans \| plan	6
Number of plans without future contributions \| plan	0
Minneapolis Food Distributing Industry Pension Plan
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	No
Contributions	$ 11	$ 12	11
Surcharges Imposed	No
Minneapolis Retail Meat Cutters and Food Handlers Pension Fund
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	Implemented
Contributions	$ 10	10	9
Surcharges Imposed	No
Minneapolis Retail Meat Cutters and Food Handlers Variable Annuity Pension Fund
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	NA
Contributions	$ 4	4	3
Surcharges Imposed	NA
Central States, Southeast and Southwest Areas Pension Fund
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	Implemented
Contributions	$ 5	6	6
Surcharges Imposed	No
UFCW Unions and Participating Employer Pension Fund
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	Implemented
Contributions	$ 3	3	7
Surcharges Imposed	No
Western Conference of Teamsters Pension Plan Trust
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	No
Contributions	$ 10	10	13
Surcharges Imposed	No
UFCW Unions and Employers Pension Plan
Defined Benefit Plan Disclosure [Line Items]
FIP/RP Status Pending/Implemented	NA
Contributions	$ 0	1	1
Surcharges Imposed	NA
All Other Multiemployer Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Contributions	$ 2	$ 2	$ 2

Multiemployer Plan, Number of Plans

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- Definition

Multiemployer Plan, PPA Surcharges on Eligible Contributions, Percent

+ References

No definition available.

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- Definition

Multiemployer Plan, Pension, Number Of Plans Without Future Contributions

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 35
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

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- Definition

Indicates whether funding improvement plan or rehabilitation plan was implemented or pending for multiemployer pension plan, determined to be individually significant. Acceptable values are "No", "Pending", "Implemented", "Other", and "NA".

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- Definition

Indicates whether employer paid surcharge to multiemployer pension plan determined to be individually significant. Acceptable values are "No", "Yes" and "NA".

+ References

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