BENEFIT PLANS - Schedule of Fair Value of Plan Assets (Details) - USD ($) $ in Millions |
Aug. 01, 2026 |
Aug. 02, 2025 |
Aug. 03, 2024 |
|---|---|---|---|
| Defined Benefit Plan Disclosure [Line Items] | |||
| Fair value of plan assets at end of year | $ 1,414 | $ 1,476 | |
| Pension Benefits | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Fair value of plan assets at end of year | 1,414 | 1,476 | $ 1,534 |
| Benefit obligation at end of year | (1,335) | (1,418) | $ (1,505) |
| Funded (unfunded) status at end of year | 79 | 58 | |
| SUPERVALU INC. Retirement Plan | Pension Benefits | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Fair value of plan assets at end of year | 1,414 | 1,476 | |
| Benefit obligation at end of year | (1,330) | (1,413) | |
| Funded (unfunded) status at end of year | 84 | 63 | |
| Other Pension Plan | Pension Benefits | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Fair value of plan assets at end of year | 0 | 0 | |
| Benefit obligation at end of year | (5) | (5) | |
| Funded (unfunded) status at end of year | $ (5) | $ (5) |
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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