Name:	svu_GuaranteeObligationMaximumExposureDiscounted
Namespace Prefix:	svu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Initial term of agreement.

No definition available.

Name:	svu_InitialTermOfAgreement
Namespace Prefix:	svu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Insurance Claims Deductible Amount

No definition available.

Name:	svu_InsuranceClaimsDeductibleAmount
Namespace Prefix:	svu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Insurance Coverage Amount

No definition available.

Name:	svu_InsuranceCoverageAmount
Namespace Prefix:	svu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Loss Contingency, Range of Possible Loss, Maximum, Per Unit

No definition available.

Name:	svu_LossContingencyRangeofPossibleLossMaximumPerUnit
Namespace Prefix:	svu_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	instant

Number of Computer Network Intrusions

No definition available.

Name:	svu_NumberofComputerNetworkIntrusions
Namespace Prefix:	svu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of Renewal Options Available

No definition available.

Name:	svu_NumberofRenewalOptionsAvailable
Namespace Prefix:	svu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Remaining term for guarantee for other debt obligation maximum (in years).

No definition available.

Name:	svu_RemainingTermForGuaranteeForOtherDebtObligationMaximum
Namespace Prefix:	svu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Remaining term for guarantee for other debt obligation minimum (less than given term in years).

No definition available.

Name:	svu_RemainingTermForGuaranteeForOtherDebtObligationMinimum
Namespace Prefix:	svu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Remaining term for guarantee for other debt obligation weighted average (in years).

No definition available.

Name:	svu_RemainingTermForGuaranteeForOtherDebtObligationWeightedAverage
Namespace Prefix:	svu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Services Revenue, Transition Services, Future Minimum Revenues

No definition available.

Name:	svu_ServicesRevenueTransitionServicesFutureMinimumRevenues
Namespace Prefix:	svu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Services Revenue, Transition Services, Installment Receipts

No definition available.

Name:	svu_ServicesRevenueTransitionServicesInstallmentReceipts
Namespace Prefix:	svu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Services Revenue, Transition Services, Number of Payments

No definition available.

Name:	svu_ServicesRevenueTransitionServicesNumberofPayments
Namespace Prefix:	svu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Term of Renewal Option

No definition available.

Name:	svu_TermofRenewalOption
Namespace Prefix:	svu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Transition Services Agreement, Remaining Term

No definition available.

Name:	svu_TransitionServicesAgreementRemainingTerm
Namespace Prefix:	svu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of bankruptcy claim filed with bankruptcy court.

No definition available.

Name:	us-gaap_BankruptcyClaimsAmountOfClaimsFiled
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

No definition available.

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_GuaranteeObligationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The total number of new claims filed pertaining to a loss contingency during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Name:	us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of plaintiffs that have filed claims pertaining to a loss contingency.

No definition available.

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of pending claims pertaining to a loss contingency.

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of stores.

No definition available.

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

No definition available.

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-06(3))
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e604059-122996

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(5))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Name:	us-gaap_ReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	dei_LegalEntityAxis=svu_NewAlbertsonsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=svu_HaggenIncExistingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=svu_NaiBannersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=svu_AbAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=svu_TransitionServicesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=svu_A2014TechnologyIntrusionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=svu_OfficeforCivilRightsoftheU.S.DepartmentofHealthandHumanServicesComplianceReviewMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_TradeAccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_CounterpartyNameAxis=svu_HaggenIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: