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RESERVES FOR CLOSED PROPERTIES AND PROPERTY, PLANT AND EQUIPMENT-RELATED IMPAIRMENT CHARGES - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 23, 2013
Significant Activity In Property Plant And Equipment [Line Items]  
Impairment charges $ 10us-gaap_TangibleAssetImpairmentCharges
Save-A-Lot  
Significant Activity In Property Plant And Equipment [Line Items]  
Number of non - strategic stores closed (stores) 22svu_NumberOfStoresClosed
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= svu_SavealotMember