<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>73</ContextCount>
  <ElementCount>147</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>19</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0002 - Statement - CONDENSED CONSOLIDATED INTERIM STATEMENTS OF FINANCIAL POSITION (UNAUDITED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/CondensedConsolidatedInterimStatementsOfFinancialPosition</Role>
      <ShortName>CONDENSED CONSOLIDATED INTERIM STATEMENTS OF FINANCIAL POSITION (UNAUDITED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0003 - Statement - CONDENSED CONSOLIDATED INTERIM STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/CondensedConsolidatedInterimStatementsOfComprehensiveLoss</Role>
      <ShortName>CONDENSED CONSOLIDATED INTERIM STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0004 - Statement - CONDENSED CONSOLIDATED INTERIM STATEMENTS OF CHANGES IN EQUITY (UNAUDITED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/CondensedInterimStatementsOfChangesInEquity</Role>
      <ShortName>CONDENSED CONSOLIDATED INTERIM STATEMENTS OF CHANGES IN EQUITY (UNAUDITED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0005 - Statement - CONDENSED CONSOLIDATED INTERIM CASH FLOW STATEMENTS (UNAUDITED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/CondensedConsolidatedInterimCashFlowStatements</Role>
      <ShortName>CONDENSED CONSOLIDATED INTERIM CASH FLOW STATEMENTS (UNAUDITED)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0006 - Disclosure - GENERAL INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/GeneralInformation</Role>
      <ShortName>GENERAL INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0007 - Disclosure - BASIS OF PREPARATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/BasisOfPreparation</Role>
      <ShortName>BASIS OF PREPARATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0008 - Disclosure - MATERIAL ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/SignificantAccountingPolicies</Role>
      <ShortName>MATERIAL ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>0009 - Disclosure - AT-THE-MARKET ("ATM") SALES AGREEMENT WITH HCW</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/At-the-marketAtmSalesAgreementWithBtig</Role>
      <ShortName>AT-THE-MARKET ("ATM") SALES AGREEMENT WITH HCW</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>0010 - Disclosure - CONTINGENT LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/CommitmentsAndContingentLiabilities</Role>
      <ShortName>CONTINGENT LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>0011 - Disclosure - FINANCINGS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/EQUITYFINANCING</Role>
      <ShortName>FINANCINGS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>0012 - Disclosure - FAIR VALUE MEASUREMENT OF WARRANTS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/FAIRVALUEMEASUREMENTOFWARRANTSUSINGSIGNIFICANTUNOBSERVABLEINPUTSLEVEL3</Role>
      <ShortName>FAIR VALUE MEASUREMENT OF WARRANTS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>0013 - Disclosure - SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/ShareholdersEquity</Role>
      <ShortName>SHAREHOLDERS' EQUITY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>0014 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/SupplementaryFinancialStatementInformation</Role>
      <ShortName>SUPPLEMENTAL FINANCIAL INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9960701 - Disclosure - MATERIAL ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/MATERIALACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>MATERIAL ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9960702 - Disclosure - FAIR VALUE MEASUREMENT OF WARRANTS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/FAIRVALUEMEASUREMENTOFWARRANTSUSINGSIGNIFICANTUNOBSERVABLEINPUTSLEVEL3Tables</Role>
      <ShortName>FAIR VALUE MEASUREMENT OF WARRANTS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://biolinerx.com/role/FAIRVALUEMEASUREMENTOFWARRANTSUSINGSIGNIFICANTUNOBSERVABLEINPUTSLEVEL3</ParentRole>
      <Position>16</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9960703 - Disclosure - SHAREHOLDERS' EQUITY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/ShareholdersEquityTables</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://biolinerx.com/role/ShareholdersEquity</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9960704 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/SupplementaryFinancialStatementInformationTables</Role>
      <ShortName>SUPPLEMENTAL FINANCIAL INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://biolinerx.com/role/SupplementaryFinancialStatementInformation</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9960705 - Disclosure - GENERAL INFORMATION (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/GENERALINFORMATIONNarrativeDetails</Role>
      <ShortName>GENERAL INFORMATION (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/GeneralInformation</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9960706 - Disclosure - AT-THE-MARKET ("ATM") SALES AGREEMENT WITH HCW (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/At-the-marketAtmSalesAgreementWithBtigDetails</Role>
      <ShortName>AT-THE-MARKET ("ATM") SALES AGREEMENT WITH HCW (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/At-the-marketAtmSalesAgreementWithBtig</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9960707 - Disclosure - CONTINGENT LIABILITIES (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/CONTINGENTLIABILITIESDeatils</Role>
      <ShortName>CONTINGENT LIABILITIES (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/CommitmentsAndContingentLiabilities</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9960708 - Disclosure - FINANCINGS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/EQUITYFINANCINGNarrativeDetails</Role>
      <ShortName>FINANCINGS (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/EQUITYFINANCING</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9960709 - Disclosure - FAIR VALUE MEASUREMENT OF WARRANTS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/FAIRVALUEMEASUREMENTOFWARRANTSUSINGSIGNIFICANTUNOBSERVABLEINPUTSLEVEL3Details</Role>
      <ShortName>FAIR VALUE MEASUREMENT OF WARRANTS USING SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/FAIRVALUEMEASUREMENTOFWARRANTSUSINGSIGNIFICANTUNOBSERVABLEINPUTSLEVEL3Tables</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9960710 - Disclosure - SHAREHOLDERS' EQUITY (Schedule of Share Capital) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/ShareholdersEquityScheduleOfShareCapitalDetails</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Schedule of Share Capital) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/ShareholdersEquityTables</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9960711 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/SUPPLEMENTALFINANCIALINFORMATIONNarrative</Role>
      <ShortName>SUPPLEMENTAL FINANCIAL INFORMATION (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/SupplementaryFinancialStatementInformationTables</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="zk2533581.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9960712 - Disclosure - SUPPLEMENTAL FINANCIAL INFORMATION (Schedule of Cost of revenues) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://biolinerx.com/role/SUPPLEMENTARYFINANCIALSTATEMENTINFORMATIONScheduleOfCostOfRevenuesDetails</Role>
      <ShortName>SUPPLEMENTAL FINANCIAL INFORMATION (Schedule of Cost of revenues) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://biolinerx.com/role/SupplementaryFinancialStatementInformationTables</ParentRole>
      <Position>26</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>blrx-20250630.xsd</File>
    <File>blrx-20250630_cal.xml</File>
    <File>blrx-20250630_def.xml</File>
    <File>blrx-20250630_lab.xml</File>
    <File>blrx-20250630_pre.xml</File>
    <File doctype="6-K" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="zk2533581.htm">zk2533581.htm</File>
    <File doctype="6-K" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="exhibit_2.htm">exhibit_2.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="13">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="258">https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
