<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:bbby="http://bedbathandbeyond.com/20260708"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="bbby-20260708.xsd" xlink:type="simple"/>
    <context id="c20260708to20260708">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001130713</identifier>
        </entity>
        <period>
            <startDate>2026-07-08</startDate>
            <endDate>2026-07-08</endDate>
        </period>
    </context>
    <context id="c20260708to20260708_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001130713</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">bbby:WarrantsToPurchaseSharesOfCommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-08</startDate>
            <endDate>2026-07-08</endDate>
        </period>
    </context>
    <context id="c20260708to20260708_StatementClassOfStockAxis_CommonStockMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001130713</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-08</startDate>
            <endDate>2026-07-08</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="c20260708to20260708"
      id="Fact_4679ca376d4842589e7096a4612734f4">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="c20260708to20260708"
      id="Fact_6b594d2018a640a6a6dd96e8a20783ca">0001130713</dei:EntityCentralIndexKey>
    <dei:DocumentType
      contextRef="c20260708to20260708"
      id="Fact_a69ac11374e54d82b2eacf1415a7ffda">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="c20260708to20260708"
      id="Fact_1d9fb8565a144f60aeba72795001bfae">2026-07-08</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="c20260708to20260708"
      id="Fact_1a1c747cf22e4f4c9d3e59af86cffc52">Bed Bath &amp; Beyond, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="c20260708to20260708"
      id="Fact_ee11b4846b67405e8fca94aba0ab6b38">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="c20260708to20260708"
      id="Fact_5ea826c99232491fa53c2e7a4bbbd5c1">000-41850</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="c20260708to20260708"
      id="Fact_c4ad2f1df4864b53bee29d971420e38a">87-0634302</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="c20260708to20260708"
      id="Fact_227fa32804b74f5cb249088073c393d8">433 W. Ascension Way</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="c20260708to20260708"
      id="Fact_33b8972314e8467aa038475703e328ae">3rd Floor</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="c20260708to20260708"
      id="Fact_c79a942014b44f0ab9c943e9de4677d3">Murray</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="c20260708to20260708"
      id="Fact_6c1bb48c7ea4411b8ceeb60dbd2cffeb">UT</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="c20260708to20260708"
      id="Fact_ec0d698e5a25452ea7e1a74dd118620f">84123</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="c20260708to20260708"
      id="Fact_dfc411bba7b9433ca61c479aaa1ac759">801</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="c20260708to20260708"
      id="Fact_2d4c239482d042cbb38202786ac7b387">947-3100</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="c20260708to20260708"
      id="Fact_a6fc4de5c1764fe49e1917e13f48006a">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="c20260708to20260708"
      id="Fact_6cc2f72c2b7840008140d0ffb3c37fd4">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="c20260708to20260708"
      id="Fact_72a19199333c43ad94e41a226e4a7cb3">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="c20260708to20260708"
      id="Fact_49b1db6e469e43639bd207fb6c776af7">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="c20260708to20260708_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_e27fe7a545be49c48c338c0e7b9a1d72">Common stock, $0.0001 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260708to20260708_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_56d586a9b73d4ccea6722b7f0454418d">BBBY</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260708to20260708_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_f31fba82a6784955b709ec2d574a1dd4">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="c20260708to20260708_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_e35413cccda7431c9718fa2869764636">Warrants to Purchase Shares of Common Stock</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260708to20260708_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_1ece369b273844ad9bc6ba75c495b752">BBBY WS</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260708to20260708_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_6fff7d771cad4e5ca376a7b3f1be93dc">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="c20260708to20260708"
      id="Fact_d28c46a03afa498cb2656e735f7d7878">false</dei:EntityEmergingGrowthCompany>
</xbrl>
