<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:bbby="http://bedbathandbeyond.com/20260803"
  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-20260803.xsd" xlink:type="simple"/>
    <context id="c20260803to20260803">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001130713</identifier>
        </entity>
        <period>
            <startDate>2026-08-03</startDate>
            <endDate>2026-08-03</endDate>
        </period>
    </context>
    <context id="c20260803to20260803_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>2026-08-03</startDate>
            <endDate>2026-08-03</endDate>
        </period>
    </context>
    <context id="c20260803to20260803_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>2026-08-03</startDate>
            <endDate>2026-08-03</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="c20260803to20260803"
      id="Fact_10b1e198ba1347c282286272f69cf0f0">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="c20260803to20260803"
      id="Fact_0bd2e90c483a47d8a9482fb689909008">0001130713</dei:EntityCentralIndexKey>
    <dei:DocumentType
      contextRef="c20260803to20260803"
      id="Fact_d4314ed30a494abe8c3bb8f02707ea87">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="c20260803to20260803"
      id="Fact_c14d70e1201d4e99b3506be918b0bf67">2026-08-03</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="c20260803to20260803"
      id="Fact_d003489e0c7c4608a5ec6561453b3a1e">Bed Bath &amp; Beyond, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="c20260803to20260803"
      id="Fact_37fc4dee108d4b9da248954cf762d4d6">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="c20260803to20260803"
      id="Fact_864e5f03cef8492794131b385f20aba8">001-41850</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="c20260803to20260803"
      id="Fact_00ce3fa3159740699a5e85eaabca59e7">87-0634302</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="c20260803to20260803"
      id="Fact_54809261aabf427a86daa76674c7d9bc">433 W. Ascension Way</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="c20260803to20260803"
      id="Fact_032e088991da4d8e9218b2a5cc44d82c">3rd Floor</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="c20260803to20260803"
      id="Fact_8ad824a0148f4802b674577d5cac7e05">Murray</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="c20260803to20260803"
      id="Fact_dade9467e525478abebd9b80062929f0">UT</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="c20260803to20260803"
      id="Fact_b5ae4bd97fe7492480368c23610ba261">84123</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="c20260803to20260803"
      id="Fact_17072f0194ea4434ab9c10985f65b85e">801</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="c20260803to20260803"
      id="Fact_57fdb44f46ce42efa7eef90b86645729">947-3100</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="c20260803to20260803"
      id="Fact_5f708b694ecd4a479ac832bf2625c2b2">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="c20260803to20260803"
      id="Fact_fdbaf7e2d9554c4abc85936ee2adb322">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="c20260803to20260803"
      id="Fact_2c93a3e3701a45538beb8ad7a8152639">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="c20260803to20260803"
      id="Fact_edf7206695b54a9b9bc8bdc087109a7b">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="c20260803to20260803_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_edb7f3416f1d41f19b4d16efc6fde195">Common Stock, $0.0001 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260803to20260803_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_4f8122b11e894baf945ee75ffd8aa10a">BBBY</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260803to20260803_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_719f5bebc4b74ea1817b3627fd8e078b">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="c20260803to20260803_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_38f1ff98e11b4333a2f8d06e96c9bc9d">Warrants to Purchase Shares of Common Stock</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260803to20260803_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_8d08c01dc73e4a899e46a27378b3616a">BBBY WS</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260803to20260803_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_9b449a444d13472aaa1c3aebaef52083">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="c20260803to20260803"
      id="Fact_8df27c6bf92e4eff8f707eeef7e78009">false</dei:EntityEmergingGrowthCompany>
</xbrl>
