<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:bbby="http://bedbathandbeyond.com/20260723"
  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-20260723.xsd" xlink:type="simple"/>
    <context id="c20260723to20260723">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001130713</identifier>
        </entity>
        <period>
            <startDate>2026-07-23</startDate>
            <endDate>2026-07-23</endDate>
        </period>
    </context>
    <context id="c20260723to20260723_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>2026-07-23</startDate>
            <endDate>2026-07-23</endDate>
        </period>
    </context>
    <context id="c20260723to20260723_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>2026-07-23</startDate>
            <endDate>2026-07-23</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="c20260723to20260723"
      id="Fact_16d44fa9227d4e2cbe12d868badabf10">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="c20260723to20260723"
      id="Fact_3cf2726050304d5c95f5bf91e290e4eb">0001130713</dei:EntityCentralIndexKey>
    <dei:DocumentType
      contextRef="c20260723to20260723"
      id="Fact_28348d97e2ab43cb924fb0926158f939">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="c20260723to20260723"
      id="Fact_6b28a886fb8a499da81a3094f6162979">2026-07-23</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName
      contextRef="c20260723to20260723"
      id="Fact_f8dfc98c5c7a4effb27adccb576e3810">Bed Bath &amp; Beyond, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="c20260723to20260723"
      id="Fact_871bc61c27f2432184accbc0239cdb50">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="c20260723to20260723"
      id="Fact_b50a10cd0288488ca5389255e28ae9ba">000-41850</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="c20260723to20260723"
      id="Fact_3bed7565d346447fb33d4c68e084fdbe">87-0634302</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="c20260723to20260723"
      id="Fact_73c97c9528a748438f5cc5944dafd435">433 W. Ascension Way</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="c20260723to20260723"
      id="Fact_e472e1b91d904579ba4c99d39ff1f45a">3rd Floor</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="c20260723to20260723"
      id="Fact_c5440bc4ed014a0a927e5c8063d128cc">Murray</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="c20260723to20260723"
      id="Fact_267e0735ebb24a0b9f148afc788a144c">UT</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="c20260723to20260723"
      id="Fact_d5f9de8429b3490492243c1aed402048">84123</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="c20260723to20260723"
      id="Fact_a5958fd65834467e94fe4101839e17b7">801</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="c20260723to20260723"
      id="Fact_e10c7e23ecd84bd7bcc7706a6958bded">947-3100</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="c20260723to20260723"
      id="Fact_cb2b602492e44072ba7b118998d8376e">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="c20260723to20260723"
      id="Fact_b694bee8e70144808549d59573f4c628">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="c20260723to20260723"
      id="Fact_30248a19f78545ea86d669be3edea215">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="c20260723to20260723"
      id="Fact_9840fede6fdb48d4b8c8209ff277255f">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="c20260723to20260723_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_cb21ce954850483591c8674bf85ab85b">Common stock, $0.0001 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260723to20260723_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_acac70d11692435d8c41a9b0d73107cd">BBBY</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260723to20260723_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_9198f8ec308e4f64a9ef423db6fd8102">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle
      contextRef="c20260723to20260723_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_32444eb5beb3448aa4c3e3b3f9b80b83">Warrants to Purchase Shares of Common Stock</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="c20260723to20260723_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_845bbd03293545b593ccb8b4694449b0">BBBY WS</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="c20260723to20260723_StatementClassOfStockAxis_WarrantsToPurchaseSharesOfCommonStockMember"
      id="Fact_33c6c33ebe6841c583737fbcb30405b0">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="c20260723to20260723"
      id="Fact_ecf2d6211fa842829548a54edc02a448">false</dei:EntityEmergingGrowthCompany>
</xbrl>
