Name:	bbby_AvailableForSaleSecuritiesTemporaryImpairmentAdjustmentAccumulatedOtherComprehensiveIncomeLoss
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amortized cost of long-term investments in debt and equity securities and other forms of securities that provide ownership interests classified as available-for-sale.

No definition available.

Name:	bbby_AvailableforsaleSecuritiesLongTermInvestmentsAmortizedCost
Namespace Prefix:	bbby_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DeferredCompensationPlanAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of investment in debt security measured at amortized cost (held-to-maturity), classified as current.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26626-111562

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Data Type:	xbrli:monetaryItemType
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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.