<?xml version="1.0" encoding="utf-8"?>
<presentation xmlns:o="urn:schemas-microsoft-com:office:office"
              xmlns:x="urn:schemas-microsoft-com:office:excel"
              xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet">
   <extended-link uri="http://www.bestbuy.com/role/BalanceSheets"
                  definition="0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS">
      <concept id="us-gaap_StatementOfFinancialPositionAbstract" prefix="us-gaap"
               qname="us-gaap:StatementOfFinancialPositionAbstract"
               label="Balance sheets"
               substitution-group="xbrli:item"
               data-type="xbrli:stringItemType"
               xbrl-data-type="xbrli:stringItemType"
               abstract="true"
               period-type="duration">
         <concept id="us-gaap_AssetsAbstract" prefix="us-gaap" qname="us-gaap:AssetsAbstract"
                  label="ASSETS"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_AssetsCurrentAbstract" prefix="us-gaap"
                     qname="us-gaap:AssetsCurrentAbstract"
                     label="CURRENT ASSETS"
                     substitution-group="xbrli:item"
                     data-type="xbrli:stringItemType"
                     xbrl-data-type="xbrli:stringItemType"
                     abstract="true"
                     period-type="duration">
               <concept id="us-gaap_CashAndCashEquivalentsAtCarryingValue" prefix="us-gaap"
                        qname="us-gaap:CashAndCashEquivalentsAtCarryingValue"
                        label="Cash and cash equivalents"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="instant"/>
               <concept id="us-gaap_ShortTermInvestments" prefix="us-gaap"
                        qname="us-gaap:ShortTermInvestments"
                        label="Short-term investments"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="instant"/>
               <concept id="us-gaap_ReceivablesNetCurrent" prefix="us-gaap"
                        qname="us-gaap:ReceivablesNetCurrent"
                        label="Receivables"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="instant"/>
               <concept id="us-gaap_InventoryNet" prefix="us-gaap" qname="us-gaap:InventoryNet"
                        label="Merchandise inventories"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="instant"/>
               <concept id="us-gaap_OtherAssetsCurrent" prefix="us-gaap"
                        qname="us-gaap:OtherAssetsCurrent"
                        label="Other current assets"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="instant"/>
               <concept id="us-gaap_AssetsCurrent" prefix="us-gaap" qname="us-gaap:AssetsCurrent"
                        label="Total current assets"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="instant"/>
            </concept>
            <concept id="us-gaap_PropertyPlantAndEquipmentNet" prefix="us-gaap"
                     qname="us-gaap:PropertyPlantAndEquipmentNet"
                     label="PROPERTY AND EQUIPMENT, NET"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
            <concept id="us-gaap_Goodwill" prefix="us-gaap" qname="us-gaap:Goodwill"
                     label="GOODWILL"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
            <concept id="us-gaap_IndefiniteLivedTradeNames" prefix="us-gaap"
                     qname="us-gaap:IndefiniteLivedTradeNames"
                     label="TRADENAMES"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
            <concept id="us-gaap_FiniteLivedCustomerRelationshipsGross" prefix="us-gaap"
                     qname="us-gaap:FiniteLivedCustomerRelationshipsGross"
                     label="CUSTOMER RELATIONSHIPS"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
            <concept id="us-gaap_LongTermInvestments" prefix="us-gaap"
                     qname="us-gaap:LongTermInvestments"
                     label="EQUITY AND OTHER INVESTMENTS"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
            <concept id="us-gaap_OtherAssetsNoncurrent" prefix="us-gaap"
                     qname="us-gaap:OtherAssetsNoncurrent"
                     label="OTHER ASSETS"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
            <concept id="us-gaap_Assets" prefix="us-gaap" qname="us-gaap:Assets"
                     label="TOTAL ASSETS"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="instant"/>
         </concept>
         <concept id="us-gaap_LiabilitiesAndStockholdersEquityAbstract" prefix="us-gaap"
                  qname="us-gaap:LiabilitiesAndStockholdersEquityAbstract"
                  label="LIABILITIES AND SHAREHOLDERS' EQUITY"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_LiabilitiesCurrentAbstract" prefix="us-gaap"
                     qname="us-gaap:LiabilitiesCurrentAbstract"
                     label="CURRENT LIABILITIES"
                     substitution-group="xbrli:item"
                     data-type="xbrli:stringItemType"
                     xbrl-data-type="xbrli:stringItemType"
                     abstract="true"
                     period-type="duration">
               <concept id="us-gaap_AccountsPayableCurrent" prefix="us-gaap"
                        qname="us-gaap:AccountsPayableCurrent"
                        label="Accounts payable"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_AccruedLiabilitiesForUnredeeemedGiftCards" prefix="us-gaap"
                        qname="us-gaap:AccruedLiabilitiesForUnredeeemedGiftCards"
                        label="Unredeemed gift card liabilities"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_EmployeeRelatedLiabilitiesCurrent" prefix="us-gaap"
                        qname="us-gaap:EmployeeRelatedLiabilitiesCurrent"
                        label="Accrued compensation and related expenses"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_AccruedLiabilitiesCurrent" prefix="us-gaap"
                        qname="us-gaap:AccruedLiabilitiesCurrent"
                        label="Accrued liabilities"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_AccruedIncomeTaxesCurrent" prefix="us-gaap"
                        qname="us-gaap:AccruedIncomeTaxesCurrent"
                        label="Accrued income taxes"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_ShortTermBorrowings" prefix="us-gaap"
                        qname="us-gaap:ShortTermBorrowings"
                        label="Short-term debt"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_LongTermDebtCurrent" prefix="us-gaap"
                        qname="us-gaap:LongTermDebtCurrent"
                        label="Current portion of long-term debt"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_LiabilitiesCurrent" prefix="us-gaap"
                        qname="us-gaap:LiabilitiesCurrent"
                        label="Total current liabilities"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
            </concept>
            <concept id="us-gaap_OtherLiabilitiesNoncurrent" prefix="us-gaap"
                     qname="us-gaap:OtherLiabilitiesNoncurrent"
                     label="LONG-TERM LIABILITIES"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="instant"/>
            <concept id="us-gaap_LongTermDebtAndCapitalLeaseObligations" prefix="us-gaap"
                     qname="us-gaap:LongTermDebtAndCapitalLeaseObligations"
                     label="LONG-TERM DEBT"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="instant"/>
            <concept id="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"
                     prefix="us-gaap"
                     qname="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"
                     label="SHAREHOLDERS' EQUITY"
                     substitution-group="xbrli:item"
                     data-type="xbrli:stringItemType"
                     xbrl-data-type="xbrli:stringItemType"
                     abstract="true"
                     period-type="duration">
               <concept id="us-gaap_StockholdersEquityAbstract" prefix="us-gaap"
                        qname="us-gaap:StockholdersEquityAbstract"
                        label="Best Buy Co., Inc. Shareholders' Equity"
                        substitution-group="xbrli:item"
                        data-type="xbrli:stringItemType"
                        xbrl-data-type="xbrli:stringItemType"
                        abstract="true"
                        period-type="duration">
                  <concept id="us-gaap_PreferredStockValue" prefix="us-gaap"
                           qname="us-gaap:PreferredStockValue"
                           label="Preferred stock, $1.00 par value: Authorized - 400,000 shares; Issued and outstanding - none"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
                  <concept id="us-gaap_CommonStockValue" prefix="us-gaap" qname="us-gaap:CommonStockValue"
                           label="Common stock, $.10 par value: Authorized - 1.0 billion shares; Issued and outstanding - 416,539,000, 413,684,000 and 412,332,000 shares, respectively"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
                  <concept id="us-gaap_AdditionalPaidInCapital" prefix="us-gaap"
                           qname="us-gaap:AdditionalPaidInCapital"
                           label="Additional paid-in capital"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
                  <concept id="bby_PrepaidStockRepurchase" prefix="bby" qname="bby:PrepaidStockRepurchase"
                           label="Prepaid stock repurchase"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
                  <concept id="us-gaap_RetainedEarningsAccumulatedDeficit" prefix="us-gaap"
                           qname="us-gaap:RetainedEarningsAccumulatedDeficit"
                           label="Retained earnings"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
                  <concept id="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" prefix="us-gaap"
                           qname="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax"
                           label="Accumulated other comprehensive income (loss)"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
                  <concept id="us-gaap_StockholdersEquity" prefix="us-gaap"
                           qname="us-gaap:StockholdersEquity"
                           label="Total Best Buy Co., Inc. shareholders' equity"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="instant"/>
               </concept>
               <concept id="us-gaap_MinorityInterest" prefix="us-gaap" qname="us-gaap:MinorityInterest"
                        label="Noncontrolling interests"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
               <concept id="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"
                        prefix="us-gaap"
                        qname="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"
                        label="Total shareholders' equity"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="instant"/>
            </concept>
            <concept id="us-gaap_LiabilitiesAndStockholdersEquity" prefix="us-gaap"
                     qname="us-gaap:LiabilitiesAndStockholdersEquity"
                     label="TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="instant"/>
         </concept>
      </concept>
   </extended-link>
   <extended-link uri="http://www.bestbuy.com/role/BalanceSheetsParenthetical"
                  definition="0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)">
      <concept id="us-gaap_StatementOfFinancialPositionAbstract" prefix="us-gaap"
               qname="us-gaap:StatementOfFinancialPositionAbstract"
               label="Balance sheets"
               substitution-group="xbrli:item"
               data-type="xbrli:stringItemType"
               xbrl-data-type="xbrli:stringItemType"
               abstract="true"
               period-type="duration">
         <concept id="us-gaap_PreferredStockParOrStatedValuePerShare" prefix="us-gaap"
                  qname="us-gaap:PreferredStockParOrStatedValuePerShare"
                  label="Preferred stock, par value"
                  substitution-group="xbrli:item"
                  data-type="us-types:perShareItemType"
                  xbrl-data-type="xbrli:decimalItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_PreferredStockSharesAuthorized" prefix="us-gaap"
                  qname="us-gaap:PreferredStockSharesAuthorized"
                  label="Preferred stock, shares authorized"
                  substitution-group="xbrli:item"
                  data-type="xbrli:sharesItemType"
                  xbrl-data-type="xbrli:sharesItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_PreferredStockSharesIssued" prefix="us-gaap"
                  qname="us-gaap:PreferredStockSharesIssued"
                  label="Preferred stock, shares issued"
                  substitution-group="xbrli:item"
                  data-type="xbrli:sharesItemType"
                  xbrl-data-type="xbrli:sharesItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_PreferredStockSharesOutstanding" prefix="us-gaap"
                  qname="us-gaap:PreferredStockSharesOutstanding"
                  label="Preferred stock, shares outstanding"
                  substitution-group="xbrli:item"
                  data-type="xbrli:sharesItemType"
                  xbrl-data-type="xbrli:sharesItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_CommonStockParOrStatedValuePerShare" prefix="us-gaap"
                  qname="us-gaap:CommonStockParOrStatedValuePerShare"
                  label="Common stock, par value"
                  substitution-group="xbrli:item"
                  data-type="us-types:perShareItemType"
                  xbrl-data-type="xbrli:decimalItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_CommonStockSharesAuthorized" prefix="us-gaap"
                  qname="us-gaap:CommonStockSharesAuthorized"
                  label="Common stock, shares authorized"
                  substitution-group="xbrli:item"
                  data-type="xbrli:sharesItemType"
                  xbrl-data-type="xbrli:sharesItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_CommonStockSharesIssued" prefix="us-gaap"
                  qname="us-gaap:CommonStockSharesIssued"
                  label="Common stock, shares issued"
                  substitution-group="xbrli:item"
                  data-type="xbrli:sharesItemType"
                  xbrl-data-type="xbrli:sharesItemType"
                  abstract="false"
                  period-type="instant"/>
         <concept id="us-gaap_CommonStockSharesOutstanding" prefix="us-gaap"
                  qname="us-gaap:CommonStockSharesOutstanding"
                  label="Common stock, shares outstanding"
                  substitution-group="xbrli:item"
                  data-type="xbrli:sharesItemType"
                  xbrl-data-type="xbrli:sharesItemType"
                  abstract="false"
                  period-type="instant"/>
      </concept>
   </extended-link>
   <extended-link uri="http://www.bestbuy.com/role/StatementsOfEarnings"
                  definition="0020 - Statement - CONSOLIDATED STATEMENTS OF EARNINGS">
      <concept id="us-gaap_IncomeStatementAbstract" prefix="us-gaap"
               qname="us-gaap:IncomeStatementAbstract"
               label="Income statement"
               substitution-group="xbrli:item"
               data-type="xbrli:stringItemType"
               xbrl-data-type="xbrli:stringItemType"
               abstract="true"
               period-type="duration">
         <concept id="us-gaap_OperatingIncomeLossAbstract" prefix="us-gaap"
                  qname="us-gaap:OperatingIncomeLossAbstract"
                  label="Operating income"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_SalesRevenueNet" prefix="us-gaap" qname="us-gaap:SalesRevenueNet"
                     label="Revenue"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_CostOfGoodsSold" prefix="us-gaap" qname="us-gaap:CostOfGoodsSold"
                     label="Cost of goods sold"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_GrossProfit" prefix="us-gaap" qname="us-gaap:GrossProfit"
                     label="Gross profit"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_SellingGeneralAndAdministrativeExpense" prefix="us-gaap"
                     qname="us-gaap:SellingGeneralAndAdministrativeExpense"
                     label="Selling, general and administrative expenses"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_RestructuringCharges" prefix="us-gaap"
                     qname="us-gaap:RestructuringCharges"
                     label="Restructuring charges"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_OperatingIncomeLoss" prefix="us-gaap"
                     qname="us-gaap:OperatingIncomeLoss"
                     label="Operating income"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
         </concept>
         <concept id="us-gaap_NonoperatingIncomeExpenseAbstract" prefix="us-gaap"
                  qname="us-gaap:NonoperatingIncomeExpenseAbstract"
                  label="Other income (expense)"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_InvestmentIncomeNet" prefix="us-gaap"
                     qname="us-gaap:InvestmentIncomeNet"
                     label="Investment income and other"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_ImpairmentOfInvestments" prefix="us-gaap"
                     qname="us-gaap:ImpairmentOfInvestments"
                     label="Investment impairment"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_InterestExpense" prefix="us-gaap" qname="us-gaap:InterestExpense"
                     label="Interest expense"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
         </concept>
         <concept id="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"
                  prefix="us-gaap"
                  qname="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"
                  label="Earnings before income tax expense and equity in loss of affiliates"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="credit"
                  period-type="duration"/>
         <concept id="us-gaap_IncomeTaxExpenseBenefit" prefix="us-gaap"
                  qname="us-gaap:IncomeTaxExpenseBenefit"
                  label="Income tax expense"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="debit"
                  period-type="duration"/>
         <concept id="us-gaap_IncomeLossFromEquityMethodInvestments" prefix="us-gaap"
                  qname="us-gaap:IncomeLossFromEquityMethodInvestments"
                  label="Equity in loss of affiliates"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="credit"
                  period-type="duration"/>
         <concept id="us-gaap_ProfitLoss" prefix="us-gaap" qname="us-gaap:ProfitLoss"
                  label="Net earnings including noncontrolling interests"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="credit"
                  period-type="duration"/>
         <concept id="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" prefix="us-gaap"
                  qname="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest"
                  label="Net loss (earnings) attributable to noncontrolling interests"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="debit"
                  period-type="duration"/>
         <concept id="us-gaap_NetIncomeLoss" prefix="us-gaap" qname="us-gaap:NetIncomeLoss"
                  label="Net earnings attributable to Best Buy Co., Inc."
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="credit"
                  period-type="duration"/>
         <concept id="us-gaap_EarningsPerShareAbstract" prefix="us-gaap"
                  qname="us-gaap:EarningsPerShareAbstract"
                  label="Earnings per share attributable to Best Buy Co., Inc."
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_EarningsPerShareBasic" prefix="us-gaap"
                     qname="us-gaap:EarningsPerShareBasic"
                     label="Basic"
                     substitution-group="xbrli:item"
                     data-type="us-types:perShareItemType"
                     xbrl-data-type="xbrli:decimalItemType"
                     abstract="false"
                     period-type="duration"/>
            <concept id="us-gaap_EarningsPerShareDiluted" prefix="us-gaap"
                     qname="us-gaap:EarningsPerShareDiluted"
                     label="Diluted"
                     substitution-group="xbrli:item"
                     data-type="us-types:perShareItemType"
                     xbrl-data-type="xbrli:decimalItemType"
                     abstract="false"
                     period-type="duration"/>
         </concept>
         <concept id="us-gaap_CommonStockDividendsPerShareDeclared" prefix="us-gaap"
                  qname="us-gaap:CommonStockDividendsPerShareDeclared"
                  label="Dividends declared per common share"
                  substitution-group="xbrli:item"
                  data-type="us-types:perShareItemType"
                  xbrl-data-type="xbrli:decimalItemType"
                  abstract="false"
                  period-type="duration"/>
         <concept id="bby_EarningsPerShareOtherDisclosuresAbstract" prefix="bby"
                  qname="bby:EarningsPerShareOtherDisclosuresAbstract"
                  label="Weighted average common shares outstanding (in millions)"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" prefix="us-gaap"
                     qname="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic"
                     label="Basic"
                     substitution-group="xbrli:item"
                     data-type="xbrli:sharesItemType"
                     xbrl-data-type="xbrli:sharesItemType"
                     abstract="false"
                     period-type="duration"/>
            <concept id="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" prefix="us-gaap"
                     qname="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding"
                     label="Diluted"
                     substitution-group="xbrli:item"
                     data-type="xbrli:sharesItemType"
                     xbrl-data-type="xbrli:sharesItemType"
                     abstract="false"
                     period-type="duration"/>
         </concept>
      </concept>
   </extended-link>
   <extended-link uri="http://www.bestbuy.com/role/StatementsOfCashFlows"
                  definition="0030 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS">
      <concept id="us-gaap_StatementOfCashFlowsAbstract" prefix="us-gaap"
               qname="us-gaap:StatementOfCashFlowsAbstract"
               label="Statement of cash flows"
               substitution-group="xbrli:item"
               data-type="xbrli:stringItemType"
               xbrl-data-type="xbrli:stringItemType"
               abstract="true"
               period-type="duration">
         <concept id="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"
                  prefix="us-gaap"
                  qname="us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract"
                  label="OPERATING ACTIVITIES"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_ProfitLoss" prefix="us-gaap" qname="us-gaap:ProfitLoss"
                     label="Net earnings including noncontrolling interests"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"
                     prefix="us-gaap"
                     qname="us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"
                     label="Adjustments to reconcile net earnings including noncontrolling interests to total cash provided by operating activities"
                     substitution-group="xbrli:item"
                     data-type="xbrli:stringItemType"
                     xbrl-data-type="xbrli:stringItemType"
                     abstract="true"
                     period-type="duration">
               <concept id="us-gaap_Depreciation" prefix="us-gaap" qname="us-gaap:Depreciation"
                        label="Depreciation"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_AmortizationOfIntangibleAssets" prefix="us-gaap"
                        qname="us-gaap:AmortizationOfIntangibleAssets"
                        label="Amortization of definite-lived intangible assets"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_RestructuringCharges" prefix="us-gaap"
                        qname="us-gaap:RestructuringCharges"
                        label="Restructuring charges"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_ShareBasedCompensation" prefix="us-gaap"
                        qname="us-gaap:ShareBasedCompensation"
                        label="Stock-based compensation"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_DeferredIncomeTaxExpenseBenefit" prefix="us-gaap"
                        qname="us-gaap:DeferredIncomeTaxExpenseBenefit"
                        label="Deferred income taxes"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities"
                        prefix="us-gaap"
                        qname="us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities"
                        label="Excess tax benefits from stock-based compensation"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="credit"
                        period-type="duration"/>
               <concept id="us-gaap_OtherNoncashExpense" prefix="us-gaap"
                        qname="us-gaap:OtherNoncashExpense"
                        label="Other, net"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_ImpairmentOfInvestments" prefix="us-gaap"
                        qname="us-gaap:ImpairmentOfInvestments"
                        label="Investment impairment charge"
                        substitution-group="xbrli:item"
                        data-type="xbrli:monetaryItemType"
                        xbrl-data-type="xbrli:monetaryItemType"
                        abstract="false"
                        balance="debit"
                        period-type="duration"/>
               <concept id="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" prefix="us-gaap"
                        qname="us-gaap:IncreaseDecreaseInOperatingCapitalAbstract"
                        label="Changes in operating assets and liabilities, net of acquired assets and liabilities"
                        substitution-group="xbrli:item"
                        data-type="xbrli:stringItemType"
                        xbrl-data-type="xbrli:stringItemType"
                        abstract="true"
                        period-type="duration">
                  <concept id="us-gaap_IncreaseDecreaseInReceivables" prefix="us-gaap"
                           qname="us-gaap:IncreaseDecreaseInReceivables"
                           label="Receivables"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="duration"/>
                  <concept id="us-gaap_IncreaseDecreaseInRetailRelatedInventories" prefix="us-gaap"
                           qname="us-gaap:IncreaseDecreaseInRetailRelatedInventories"
                           label="Merchandise inventories"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="duration"/>
                  <concept id="us-gaap_IncreaseDecreaseInOtherOperatingAssets" prefix="us-gaap"
                           qname="us-gaap:IncreaseDecreaseInOtherOperatingAssets"
                           label="Other assets"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="credit"
                           period-type="duration"/>
                  <concept id="us-gaap_IncreaseDecreaseInAccountsPayable" prefix="us-gaap"
                           qname="us-gaap:IncreaseDecreaseInAccountsPayable"
                           label="Accounts payable"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="debit"
                           period-type="duration"/>
                  <concept id="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" prefix="us-gaap"
                           qname="us-gaap:IncreaseDecreaseInOtherOperatingLiabilities"
                           label="Other liabilities"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="debit"
                           period-type="duration"/>
                  <concept id="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" prefix="us-gaap"
                           qname="us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable"
                           label="Income taxes"
                           substitution-group="xbrli:item"
                           data-type="xbrli:monetaryItemType"
                           xbrl-data-type="xbrli:monetaryItemType"
                           abstract="false"
                           balance="debit"
                           period-type="duration"/>
               </concept>
            </concept>
            <concept id="us-gaap_NetCashProvidedByUsedInOperatingActivities" prefix="us-gaap"
                     qname="us-gaap:NetCashProvidedByUsedInOperatingActivities"
                     label="Total cash provided by operating activities"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     period-type="duration"/>
         </concept>
         <concept id="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"
                  prefix="us-gaap"
                  qname="us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract"
                  label="INVESTING ACTIVITIES"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" prefix="us-gaap"
                     qname="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment"
                     label="Additions to property and equipment, net of $122 non-cash capital expenditures in the six months ended August 30, 2008"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsToAcquireInvestments" prefix="us-gaap"
                     qname="us-gaap:PaymentsToAcquireInvestments"
                     label="Purchases of investments"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"
                     prefix="us-gaap"
                     qname="us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments"
                     label="Sales of investments"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" prefix="us-gaap"
                     qname="us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired"
                     label="Acquisition of business, net of cash acquired"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_IncreaseDecreaseInRestrictedCash" prefix="us-gaap"
                     qname="us-gaap:IncreaseDecreaseInRestrictedCash"
                     label="Change in restricted assets"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsForProceedsFromHedgeInvestingActivities" prefix="us-gaap"
                     qname="us-gaap:PaymentsForProceedsFromHedgeInvestingActivities"
                     label="Settlement of net investment hedges"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" prefix="us-gaap"
                     qname="us-gaap:PaymentsForProceedsFromOtherInvestingActivities"
                     label="Other, net"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_NetCashProvidedByUsedInInvestingActivities" prefix="us-gaap"
                     qname="us-gaap:NetCashProvidedByUsedInInvestingActivities"
                     label="Total cash used in investing activities"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
         </concept>
         <concept id="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"
                  prefix="us-gaap"
                  qname="us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract"
                  label="FINANCING ACTIVITIES"
                  substitution-group="xbrli:item"
                  data-type="xbrli:stringItemType"
                  xbrl-data-type="xbrli:stringItemType"
                  abstract="true"
                  period-type="duration">
            <concept id="bby_ProceedsFromIssuanceOfDebt" prefix="bby"
                     qname="bby:ProceedsFromIssuanceOfDebt"
                     label="Borrowings of debt"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="bby_RepaymentsOfDebt" prefix="bby" qname="bby:RepaymentsOfDebt"
                     label="Repayments of debt"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsOfDividends" prefix="us-gaap"
                     qname="us-gaap:PaymentsOfDividends"
                     label="Dividends paid"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_ProceedsFromStockPlans" prefix="us-gaap"
                     qname="us-gaap:ProceedsFromStockPlans"
                     label="Issuance of common stock under employee stock purchase plan and for the exercise of stock options"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" prefix="us-gaap"
                     qname="us-gaap:PaymentsToAcquireAdditionalInterestInSubsidiaries"
                     label="Acquisition of noncontrolling interests"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"
                     prefix="us-gaap"
                     qname="us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"
                     label="Excess tax benefits from stock-based compensation"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_PaymentsForRepurchaseOfCommonStock" prefix="us-gaap"
                     qname="us-gaap:PaymentsForRepurchaseOfCommonStock"
                     label="Repurchase of common stock"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="credit"
                     period-type="duration"/>
            <concept id="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" prefix="us-gaap"
                     qname="us-gaap:ProceedsFromPaymentsForOtherFinancingActivities"
                     label="Other, net"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
            <concept id="us-gaap_NetCashProvidedByUsedInFinancingActivities" prefix="us-gaap"
                     qname="us-gaap:NetCashProvidedByUsedInFinancingActivities"
                     label="Total cash provided by financing activities"
                     substitution-group="xbrli:item"
                     data-type="xbrli:monetaryItemType"
                     xbrl-data-type="xbrli:monetaryItemType"
                     abstract="false"
                     balance="debit"
                     period-type="duration"/>
         </concept>
         <concept id="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" prefix="us-gaap"
                  qname="us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents"
                  label="EFFECT OF EXCHANGE RATE CHANGES ON CASH"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="debit"
                  period-type="duration"/>
         <concept id="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" prefix="us-gaap"
                  qname="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease"
                  label="INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  period-type="duration"/>
         <concept id="us-gaap_CashAndCashEquivalentsAtCarryingValue" prefix="us-gaap"
                  qname="us-gaap:CashAndCashEquivalentsAtCarryingValue"
                  label="CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="debit"
                  period-type="instant"/>
         <concept id="us-gaap_CashAndCashEquivalentsAtCarryingValue" prefix="us-gaap"
                  qname="us-gaap:CashAndCashEquivalentsAtCarryingValue"
                  label="CASH AND CASH EQUIVALENTS AT END OF PERIOD"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="debit"
                  period-type="instant"/>
      </concept>
   </extended-link>
   <extended-link uri="http://www.bestbuy.com/role/StatementsOfCashFlowsParenthetical"
                  definition="0035 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)">
      <concept id="us-gaap_StatementOfCashFlowsAbstract" prefix="us-gaap"
               qname="us-gaap:StatementOfCashFlowsAbstract"
               label="Statement of cash flows"
               substitution-group="xbrli:item"
               data-type="xbrli:stringItemType"
               xbrl-data-type="xbrli:stringItemType"
               abstract="true"
               period-type="duration">
         <concept id="bby_CapitalExpendituresNoncash" prefix="bby"
                  qname="bby:CapitalExpendituresNoncash"
                  label="Non-cash capital expenditures"
                  substitution-group="xbrli:item"
                  data-type="xbrli:monetaryItemType"
                  xbrl-data-type="xbrli:monetaryItemType"
                  abstract="false"
                  balance="credit"
                  period-type="duration"/>
      </concept>
   </extended-link>
   <extended-link uri="http://www.bestbuy.com/2008/role/NotesToConsolidatedFinancials"
                  definition="0050 - Disclosure - NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS">
      <concept id="bby_NotesToConsolidatedFinancialsAbstract" prefix="bby"
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               xbrl-data-type="xbrli:stringItemType"
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                  period-type="duration"/>
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                  period-type="duration"/>
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                  data-type="us-types:SECReportItemType"
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                  period-type="duration"/>
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                  data-type="xbrli:dateItemType"
                  xbrl-data-type="xbrli:dateItemType"
                  abstract="false"
                  period-type="duration"/>
         <concept id="dei_AmendmentFlag" prefix="dei" qname="dei:AmendmentFlag"
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                  data-type="xbrli:booleanItemType"
                  xbrl-data-type="xbrli:booleanItemType"
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                  data-type="xbrli:stringItemType"
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                  period-type="duration"/>
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   <extended-link uri="http://www.bestbuy.com/role/DisclosureBasisOfPresentation"
                  definition="1010 - Disclosure - Basis of Presentation">
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                  period-type="duration"/>
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   <extended-link uri="http://www.bestbuy.com/role/DisclosureAcquisitions"
                  definition="1020 - Disclosure - Acquisitions">
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                  period-type="duration"/>
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               xbrl-data-type="xbrli:stringItemType"
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               period-type="duration">
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                  xbrl-data-type="xbrli:stringItemType"
                  abstract="false"
                  period-type="duration"/>
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                  period-type="duration"/>
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</presentation>
