BENEFIT PLANS - Narrative (Details)	12 Months Ended
Aug. 01, 2026 plan employee	Aug. 02, 2025
Retirement Benefits [Abstract]
Percentage of union employees that participate in multiemployer defined benefit pension plans under collective bargaining agreements (as a percent)	56.00%
Number of employees covered by collective bargaining agreements \| employee	11,341
Defined Benefit Plan Disclosure [Line Items]
Number of other post retirement benefit plans \| plan	1
Supervalu Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Change in discount rate (as a percent)	0.44%	0.28%

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.

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+ Details