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BENEFIT PLANS - Schedule of Pension Funds Contributions (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 28, 2015
Feb. 22, 2014
Feb. 23, 2013
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans $ 39us-gaap_DefinedBenefitPlanContributionsByEmployer $ 39us-gaap_DefinedBenefitPlanContributionsByEmployer $ 38us-gaap_DefinedBenefitPlanContributionsByEmployer
Minneapolis Food Distributing Industry Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 10us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_MinneapolisFoodDistributingIndustryPensionPlanMember
9us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_MinneapolisFoodDistributingIndustryPensionPlanMember
9us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_MinneapolisFoodDistributingIndustryPensionPlanMember
Central States, Southeast and Southwest Areas Pension Fund      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 8us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
8us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
9us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Minneapolis Retail Meat Cutters and Food Handlers Pension Fund      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 7us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_MinneapolisRetailMeatCuttersAndFoodHandlersPensionFundMember
8us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_MinneapolisRetailMeatCuttersAndFoodHandlersPensionFundMember
8us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_MinneapolisRetailMeatCuttersAndFoodHandlersPensionFundMember
UFCW Unions and Participating Employers Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 4us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionsAndParticipatingEmployersPensionFundMember
4us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionsAndParticipatingEmployersPensionFundMember
3us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionsAndParticipatingEmployersPensionFundMember
Western Conference of Teamsters Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 4us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_WesternConferenceOfTeamstersPensionPlanMember
3us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_WesternConferenceOfTeamstersPensionPlanMember
2us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_WesternConferenceOfTeamstersPensionPlanMember
UFCW Union Local 655 Food Employers Joint Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 2us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionLocalSixFiveFiveFoodEmployersJointPensionPlanMember
2us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionLocalSixFiveFiveFoodEmployersJointPensionPlanMember
2us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionLocalSixFiveFiveFoodEmployersJointPensionPlanMember
UFCW Unions and Employers Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 1us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionsAndEmployersPensionPlanMember
2us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionsAndEmployersPensionPlanMember
2us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_UfcwUnionsAndEmployersPensionPlanMember
All Other Multiemployer Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans $ 3us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_AllOtherMultiemployerPensionPlansMember
$ 3us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_AllOtherMultiemployerPensionPlansMember
$ 3us-gaap_DefinedBenefitPlanContributionsByEmployer
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= svu_AllOtherMultiemployerPensionPlansMember