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BENEFIT PLANS - Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Aug. 03, 2024	Jul. 29, 2023	Jul. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	$ 1,534	$ 1,559
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	1,534	1,559	$ 1,716
Benefit obligation at end of year	(1,505)	(1,545)	$ (1,706)
Funded (unfunded) status at end of year	29	14
SUPERVALU INC. Retirement Plan | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at end of year	1,534	1,559
Benefit obligation at end of year	(1,499)	(1,539)
Funded (unfunded) status at end of year	35	20
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	(6)	(6)
Funded (unfunded) status at end of year	$ (6)	$ (6)

X

- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

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-Topic 715
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-Name Accounting Standards Codification
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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.

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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.

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