| Component: (Network and Table) | |
|---|---|
| Network | 2407404 - Disclosure - LONG-TERM DEBT - Future Maturities of Long-Term Debt, Excluding Net Discount on Debt (Detail) (http://www.supervalu.com/role/LongTermDebtFutureMaturitiesOfLongTermDebtExcludingNetDiscountOnDebtDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000095521 (http://www.sec.gov/CIK) |
| Debt Disclosure [Abstract] | Period [Axis] |
|---|---|
2016-02-27 | |
Debt Disclosure [Abstract] | |
Long-term Debt, Fiscal Year Maturity [Abstract] | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
Thereafter |