v3.25.2
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)