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GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 28, 2015
Feb. 22, 2014
Feb. 23, 2013
Intangible Assets By Major Class [Line Items]      
Amortization Expense of intangible assets $ 8us-gaap_AmortizationOfIntangibleAssets $ 8us-gaap_AmortizationOfIntangibleAssets $ 8us-gaap_AmortizationOfIntangibleAssets
Future amortization expense, Year One 5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths    
Future amortization expense, Year Two 5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
Future amortization expense, Year Three 5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
Future amortization expense, Year Four 5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
Future amortization expense, Year Five 5us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
Independent Business      
Intangible Assets By Major Class [Line Items]      
Percentage by which fair value of good will exceeded carrying value 80.00%svu_PercentageByWhichFairValueOfGoodwillExceededCarryingValue
/ us-gaap_StatementBusinessSegmentsAxis
= svu_IndependentBusinessMember
   
Independent Business | Tradename [Member]      
Intangible Assets By Major Class [Line Items]      
Pre-tax non-cash impairment charge     $ 6us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
/ us-gaap_StatementBusinessSegmentsAxis
= svu_IndependentBusinessMember
Save-A-Lot      
Intangible Assets By Major Class [Line Items]      
Minimum percentage by which fair value of good will exceeded carrying value 100.00%svu_MinimumPercentageByWhichFairValueOfGoodwillExceededCarryingValue
/ us-gaap_StatementBusinessSegmentsAxis
= svu_SaveLotMember