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BENEFIT PLANS - Fair Value of Plan Assets (Details) - USD ($) $ in Millions | Aug. 02, 2025 | Aug. 03, 2024 | Jul. 29, 2023
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets at end of year | $ 1,476 | $ 1,534 |
Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets at end of year | 1,476 | 1,534 | $ 1,559
Benefit obligation at end of year | (1,418) | (1,505) | $ (1,545)
Funded (unfunded) status at end of year | 58 | 29 |
SUPERVALU INC. Retirement Plan | Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets at end of year | 1,476 | 1,534 |
Benefit obligation at end of year | (1,413) | (1,499) |
Funded (unfunded) status at end of year | 63 | 35 |
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) | (6) |
Funded (unfunded) status at end of year | $ (5) | $ (6) |

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