<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>576</ContextCount>
  <ElementCount>499</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>141</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>19</UnitCount>
  <MyReports>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000100 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>010000 - Statement - Consolidated Statement of Profit or Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ConsolidatedStatementOfProfitOrLoss</Role>
      <ShortName>Consolidated Statement of Profit or Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>020000 - Statement - Consolidated Statement of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ConsolidatedStatementOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statement of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>030000 - Statement - Consolidated Statement of Financial Position</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ConsolidatedStatementOfFinancialPosition</Role>
      <ShortName>Consolidated Statement of Financial Position</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>040000 - Statement - Consolidated Statement of Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ConsolidatedStatementOfChangesInEquity</Role>
      <ShortName>Consolidated Statement of Changes in Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>050000 - Statement - Consolidated Statement of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ConsolidatedStatementOfCashFlows</Role>
      <ShortName>Consolidated Statement of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>060100 - Disclosure - Basis of Preparation, General Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/BasisOfPreparationGeneralInformation</Role>
      <ShortName>Basis of Preparation, General Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>060200 - Disclosure - Reporting Entity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ReportingEntity</Role>
      <ShortName>Reporting Entity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>060300 - Disclosure - Basis of Preparation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/BasisOfPreparation</Role>
      <ShortName>Basis of Preparation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>060400 - Disclosure - New Standards and Interpretations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/NewStandardsAndInterpretations</Role>
      <ShortName>New Standards and Interpretations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>060500 - Disclosure - Segment Reporting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SegmentReporting</Role>
      <ShortName>Segment Reporting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>060600 - Disclosure - Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Revenue</Role>
      <ShortName>Revenue</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>060700 - Disclosure - Other Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherIncome</Role>
      <ShortName>Other Income</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>060800 - Disclosure - Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Expenses</Role>
      <ShortName>Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>060900 - Disclosure - Tax</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Tax</Role>
      <ShortName>Tax</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>061000 - Disclosure - Earnings per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/EarningsPerShare</Role>
      <ShortName>Earnings per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>061100 - Disclosure - Trade and Other Receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TradeAndOtherReceivables</Role>
      <ShortName>Trade and Other Receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>061200 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Inventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>061300 - Disclosure - Other Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherAssets</Role>
      <ShortName>Other Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>061400 - Disclosure - Property, Plant and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/PropertyPlantAndEquipment</Role>
      <ShortName>Property, Plant and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>061500 - Disclosure - Impairment of Non-Financial Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ImpairmentOfNonfinancialAssets</Role>
      <ShortName>Impairment of Non-Financial Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>061600 - Disclosure - Trade and Other Payables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TradeAndOtherPayables</Role>
      <ShortName>Trade and Other Payables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>061700 - Disclosure - Other Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherLiabilities</Role>
      <ShortName>Other Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>061800 - Disclosure - Provisions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Provisions</Role>
      <ShortName>Provisions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>061900 - Disclosure - Cash and Cash Equivalents</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/CashAndCashEquivalents</Role>
      <ShortName>Cash and Cash Equivalents</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>062000 - Disclosure - Interest Bearing Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestBearingLiabilities</Role>
      <ShortName>Interest Bearing Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>062100 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>062200 - Disclosure - Financial Income and Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialIncomeAndExpenses</Role>
      <ShortName>Financial Income and Expenses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>062300 - Disclosure - Other Financial Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherFinancialAssets</Role>
      <ShortName>Other Financial Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>062400 - Disclosure - Financial Instruments and Risk Management</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagement</Role>
      <ShortName>Financial Instruments and Risk Management</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>062500 - Disclosure - Share Capital</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareCapital</Role>
      <ShortName>Share Capital</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>062600 - Disclosure - Reserves</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Reserves</Role>
      <ShortName>Reserves</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>062700 - Disclosure - Subsidiaries</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Subsidiaries</Role>
      <ShortName>Subsidiaries</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>062800 - Disclosure - Interests in Joint Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestsInJointArrangements</Role>
      <ShortName>Interests in Joint Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>062900 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>063000 - Disclosure - Share Based Payments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPayments</Role>
      <ShortName>Share Based Payments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>063100 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/Commitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>063200 - Disclosure - Contingent Assets and Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ContingentAssetsAndLiabilities</Role>
      <ShortName>Contingent Assets and Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>063300 - Disclosure - Restatement of Comparative Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RestatementOfComparativeInformation</Role>
      <ShortName>Restatement of Comparative Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>063400 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>063500 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>063600 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InsiderTradingPoliciesAndProcedures</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>070300 - Disclosure - Basis of Preparation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/BasisOfPreparationPolicies</Role>
      <ShortName>Basis of Preparation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>070400 - Disclosure - New Standards and Interpretations (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/NewStandardsAndInterpretationsPolicies</Role>
      <ShortName>New Standards and Interpretations (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>080500 - Disclosure - Segment Reporting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SegmentReportingTables</Role>
      <ShortName>Segment Reporting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/SegmentReporting</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>080600 - Disclosure - Revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RevenueTables</Role>
      <ShortName>Revenue (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Revenue</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>080701 - Disclosure - Other Income (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherIncomeTables</Role>
      <ShortName>Other Income (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherIncome</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>080800 - Disclosure - Expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ExpensesTables</Role>
      <ShortName>Expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Expenses</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>080900 - Disclosure - Tax (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TaxTables</Role>
      <ShortName>Tax (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Tax</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>081000 - Disclosure - Earnings per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/EarningsPerShareTables</Role>
      <ShortName>Earnings per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/EarningsPerShare</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>081100 - Disclosure - Trade and Other Receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TradeAndOtherReceivablesTables</Role>
      <ShortName>Trade and Other Receivables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/TradeAndOtherReceivables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>081200 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Inventories</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>081300 - Disclosure - Other Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherAssetsTables</Role>
      <ShortName>Other Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherAssets</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>081400 - Disclosure - Property, Plant and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/PropertyPlantAndEquipmentTables</Role>
      <ShortName>Property, Plant and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/PropertyPlantAndEquipment</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>081500 - Disclosure - Impairment of Non-Financial Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ImpairmentOfNonfinancialAssetsTables</Role>
      <ShortName>Impairment of Non-Financial Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/ImpairmentOfNonfinancialAssets</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>081600 - Disclosure - Trade and Other Payables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TradeAndOtherPayablesTables</Role>
      <ShortName>Trade and Other Payables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/TradeAndOtherPayables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>081700 - Disclosure - Other Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherLiabilitiesTables</Role>
      <ShortName>Other Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherLiabilities</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>081800 - Disclosure - Provisions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ProvisionsTables</Role>
      <ShortName>Provisions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Provisions</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>081900 - Disclosure - Cash and Cash Equivalents (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/CashAndCashEquivalentsTables</Role>
      <ShortName>Cash and Cash Equivalents (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/CashAndCashEquivalents</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>082000 - Disclosure - Interest Bearing Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestBearingLiabilitiesTables</Role>
      <ShortName>Interest Bearing Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/InterestBearingLiabilities</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>082100 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Leases</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>082200 - Disclosure - Financial Income and Expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialIncomeAndExpensesTables</Role>
      <ShortName>Financial Income and Expenses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/FinancialIncomeAndExpenses</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>082300 - Disclosure - Other Financial Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherFinancialAssetsTables</Role>
      <ShortName>Other Financial Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherFinancialAssets</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>082400 - Disclosure - Financial Instruments and Risk Management (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagementTables</Role>
      <ShortName>Financial Instruments and Risk Management (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/FinancialInstrumentsAndRiskManagement</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>082500 - Disclosure - Share Capital (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareCapitalTables</Role>
      <ShortName>Share Capital (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/ShareCapital</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>082600 - Disclosure - Reserves (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ReservesTables</Role>
      <ShortName>Reserves (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Reserves</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>082700 - Disclosure - Subsidiaries (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsidiariesTables</Role>
      <ShortName>Subsidiaries (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Subsidiaries</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>082800 - Disclosure - Interests in Joint Arrangements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestsInJointArrangementsTables</Role>
      <ShortName>Interests in Joint Arrangements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/InterestsInJointArrangements</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>082900 - Disclosure - Related Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RelatedPartyTransactionsTables</Role>
      <ShortName>Related Party Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/RelatedPartyTransactions</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>083000 - Disclosure - Share Based Payments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPaymentsTables</Role>
      <ShortName>Share Based Payments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/ShareBasedPayments</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>083100 - Disclosure - Commitments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/CommitmentsTables</Role>
      <ShortName>Commitments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/Commitments</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>083300 - Disclosure - Restatement of Comparative Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RestatementOfComparativeInformationTables</Role>
      <ShortName>Restatement of Comparative Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/RestatementOfComparativeInformation</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>083400 - Disclosure - Subsequent Events (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsequentEventsTables</Role>
      <ShortName>Subsequent Events (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://elevra.com/role/SubsequentEvents</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>090100 - Disclosure - Basis of Preparation, General Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/BasisOfPreparationGeneralInformationDetails</Role>
      <ShortName>Basis of Preparation, General Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/BasisOfPreparationGeneralInformation</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>090500 - Disclosure - Segment Reporting, Information for Operating Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SegmentReportingInformationForOperatingSegmentsDetails</Role>
      <ShortName>Segment Reporting, Information for Operating Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>090502 - Disclosure - Segment Reporting, Reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SegmentReportingReconciliationDetails</Role>
      <ShortName>Segment Reporting, Reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>090504 - Disclosure - Segment Reporting, Major Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SegmentReportingMajorCustomersDetails</Role>
      <ShortName>Segment Reporting, Major Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>090600 - Disclosure - Revenue, Sales Revenue from Contracts with Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RevenueSalesRevenueFromContractsWithCustomersDetails</Role>
      <ShortName>Revenue, Sales Revenue from Contracts with Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>090602 - Disclosure - Revenue, Recognition and Measurement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RevenueRecognitionAndMeasurementDetails</Role>
      <ShortName>Revenue, Recognition and Measurement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>090604 - Disclosure - Revenue, Disaggregation of Revenue from Contracts with Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RevenueDisaggregationOfRevenueFromContractsWithCustomersDetails</Role>
      <ShortName>Revenue, Disaggregation of Revenue from Contracts with Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>090606 - Disclosure - Revenue, Contract Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RevenueContractBalancesDetails</Role>
      <ShortName>Revenue, Contract Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>090700 - Disclosure - Other Income (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherIncomeDetails</Role>
      <ShortName>Other Income (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherIncomeTables</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>090800 - Disclosure - Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ExpensesDetails</Role>
      <ShortName>Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/ExpensesTables</ParentRole>
      <Position>83</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>090900 - Disclosure - Tax, Income Tax Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TaxIncomeTaxExpenseDetails</Role>
      <ShortName>Tax, Income Tax Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>090902 - Disclosure - Tax, Reconciliation of Prima Facie Tax Expense to Income Tax Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TaxReconciliationOfPrimaFacieTaxExpenseToIncomeTaxExpenseDetails</Role>
      <ShortName>Tax, Reconciliation of Prima Facie Tax Expense to Income Tax Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>090904 - Disclosure - Tax, Deferred Income Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TaxDeferredIncomeTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Tax, Deferred Income Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>090908 - Disclosure - Tax, Movement in Deferred Tax Balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TaxMovementInDeferredTaxBalancesDetails</Role>
      <ShortName>Tax, Movement in Deferred Tax Balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>090910 - Disclosure - Tax, Unrecognised Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TaxUnrecognisedDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Tax, Unrecognised Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>091000 - Disclosure - Earnings per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/EarningsPerShareDetails</Role>
      <ShortName>Earnings per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/EarningsPerShareTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>091100 - Disclosure - Trade and Other Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TradeAndOtherReceivablesDetails</Role>
      <ShortName>Trade and Other Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/TradeAndOtherReceivablesTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>091200 - Disclosure - Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InventoriesDetails</Role>
      <ShortName>Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/InventoriesTables</ParentRole>
      <Position>91</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>091300 - Disclosure - Other Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherAssetsDetails</Role>
      <ShortName>Other Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherAssetsTables</ParentRole>
      <Position>92</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>091400 - Disclosure - Property, Plant and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/PropertyPlantAndEquipmentDetails</Role>
      <ShortName>Property, Plant and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/PropertyPlantAndEquipmentTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>091402 - Disclosure - Property, Plant and Equipment, Asset's Useful Life (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/PropertyPlantAndEquipmentAssetSUsefulLifeDetails</Role>
      <ShortName>Property, Plant and Equipment, Asset's Useful Life (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>091500 - Disclosure - Impairment of Non-Financial Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ImpairmentOfNonfinancialAssetsDetails</Role>
      <ShortName>Impairment of Non-Financial Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/ImpairmentOfNonfinancialAssetsTables</ParentRole>
      <Position>95</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>091502 - Disclosure - Impairment of Non-Financial Assets, Impairment of Non-Current Assets (Excluding Goodwill) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ImpairmentOfNonfinancialAssetsImpairmentOfNoncurrentAssetsExcludingGoodwillDetails</Role>
      <ShortName>Impairment of Non-Financial Assets, Impairment of Non-Current Assets (Excluding Goodwill) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>091504 - Disclosure - Impairment of Non-Financial Assets, Key Assumptions Used in the Determination of Fair Value less Cost of Disposal (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ImpairmentOfNonfinancialAssetsKeyAssumptionsUsedInDeterminationOfFairValueLessCostOfDisposalDetails</Role>
      <ShortName>Impairment of Non-Financial Assets, Key Assumptions Used in the Determination of Fair Value less Cost of Disposal (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>091506 - Disclosure - Impairment of Non-Financial Assets, Sensitivity of Recoverable Amount of Cash Generating Unit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ImpairmentOfNonfinancialAssetsSensitivityOfRecoverableAmountOfCashGeneratingUnitDetails</Role>
      <ShortName>Impairment of Non-Financial Assets, Sensitivity of Recoverable Amount of Cash Generating Unit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>091600 - Disclosure - Trade and Other Payables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/TradeAndOtherPayablesDetails</Role>
      <ShortName>Trade and Other Payables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/TradeAndOtherPayablesTables</ParentRole>
      <Position>99</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>091700 - Disclosure - Other Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherLiabilitiesDetails</Role>
      <ShortName>Other Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherLiabilitiesTables</ParentRole>
      <Position>100</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>091800 - Disclosure - Provisions, Components of Provisions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ProvisionsComponentsOfProvisionsDetails</Role>
      <ShortName>Provisions, Components of Provisions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>091802 - Disclosure - Provisions, Movement in Provisions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ProvisionsMovementInProvisionsDetails</Role>
      <ShortName>Provisions, Movement in Provisions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>091900 - Disclosure - Cash and Cash Equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/CashAndCashEquivalentsDetails</Role>
      <ShortName>Cash and Cash Equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/CashAndCashEquivalentsTables</ParentRole>
      <Position>103</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>092000 - Disclosure - Interest Bearing Liabilities, Interest Bearing Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestBearingLiabilitiesInterestBearingLiabilitiesDetails</Role>
      <ShortName>Interest Bearing Liabilities, Interest Bearing Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>092002 - Disclosure - Interest Bearing Liabilities, Contract liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestBearingLiabilitiesContractLiabilitiesDetails</Role>
      <ShortName>Interest Bearing Liabilities, Contract liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>092004 - Disclosure - Interest Bearing Liabilities, Non-Convertible Redeemable Cumulative Preference Shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestBearingLiabilitiesNonconvertibleRedeemableCumulativePreferenceSharesDetails</Role>
      <ShortName>Interest Bearing Liabilities, Non-Convertible Redeemable Cumulative Preference Shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>092100 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/LeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/LeasesTables</ParentRole>
      <Position>107</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>092200 - Disclosure - Financial Income and Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialIncomeAndExpensesDetails</Role>
      <ShortName>Financial Income and Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/FinancialIncomeAndExpensesTables</ParentRole>
      <Position>108</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>092300 - Disclosure - Other Financial Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/OtherFinancialAssetsDetails</Role>
      <ShortName>Other Financial Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/OtherFinancialAssetsTables</ParentRole>
      <Position>109</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>092400 - Disclosure - Financial Instruments and Risk Management, Market risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagementMarketRiskDetails</Role>
      <ShortName>Financial Instruments and Risk Management, Market risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>092402 - Disclosure - Financial Instruments and Risk Management, Liquidity risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagementLiquidityRiskDetails</Role>
      <ShortName>Financial Instruments and Risk Management, Liquidity risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>092404 - Disclosure - Financial Instruments and Risk Management, Credit risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagementCreditRiskDetails</Role>
      <ShortName>Financial Instruments and Risk Management, Credit risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>092406 - Disclosure - Financial Instruments and Risk Management, Fair value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagementFairValueDetails</Role>
      <ShortName>Financial Instruments and Risk Management, Fair value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>092408 - Disclosure - Financial Instruments and Risk Management, Changes in liabilities from financing activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/FinancialInstrumentsAndRiskManagementChangesInLiabilitiesFromFinancingActivitiesDetails</Role>
      <ShortName>Financial Instruments and Risk Management, Changes in liabilities from financing activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>092500 - Disclosure - Share Capital, Movement in Ordinary Shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareCapitalMovementInOrdinarySharesDetails</Role>
      <ShortName>Share Capital, Movement in Ordinary Shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>092502 - Disclosure - Share Capital, Movement in Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareCapitalMovementInStockOptionsDetails</Role>
      <ShortName>Share Capital, Movement in Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>092600 - Disclosure - Reserves (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ReservesDetails</Role>
      <ShortName>Reserves (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/ReservesTables</ParentRole>
      <Position>117</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>092700 - Disclosure - Subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsidiariesDetails</Role>
      <ShortName>Subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/SubsidiariesTables</ParentRole>
      <Position>118</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>092800 - Disclosure - Interests in Joint Arrangements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/InterestsInJointArrangementsDetails</Role>
      <ShortName>Interests in Joint Arrangements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/InterestsInJointArrangementsTables</ParentRole>
      <Position>119</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>092900 - Disclosure - Related Party Transactions - Key Management Personnel Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RelatedPartyTransactionsKeyManagementPersonnelCompensationDetails</Role>
      <ShortName>Related Party Transactions - Key Management Personnel Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>092902 - Disclosure - Related Party Transactions - Key Management Personnel Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RelatedPartyTransactionsKeyManagementPersonnelTransactionsDetails</Role>
      <ShortName>Related Party Transactions - Key Management Personnel Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>092904 - Disclosure - Related Party Transactions - Transactions with Related Parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RelatedPartyTransactionsTransactionsWithRelatedPartiesDetails</Role>
      <ShortName>Related Party Transactions - Transactions with Related Parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>093000 - Disclosure - Share Based Payments, Share Based Payment Arrangements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPaymentsShareBasedPaymentArrangementsDetails</Role>
      <ShortName>Share Based Payments, Share Based Payment Arrangements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>093002 - Disclosure - Share Based Payments, Measurement of Fair Values (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPaymentsMeasurementOfFairValuesDetails</Role>
      <ShortName>Share Based Payments, Measurement of Fair Values (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>093004 - Disclosure - Share Based Payments, Reconciliation of Outstanding Equity Rights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPaymentsReconciliationOfOutstandingEquityRightsDetails</Role>
      <ShortName>Share Based Payments, Reconciliation of Outstanding Equity Rights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>093006 - Disclosure - Share Based Payments, Reconciliation of Outstanding Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPaymentsReconciliationOfOutstandingOptionsDetails</Role>
      <ShortName>Share Based Payments, Reconciliation of Outstanding Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>093008 - Disclosure - Share Based Payments, Expense Recognised in Profit or Loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/ShareBasedPaymentsExpenseRecognisedInProfitOrLossDetails</Role>
      <ShortName>Share Based Payments, Expense Recognised in Profit or Loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>093100 - Disclosure - Commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/CommitmentsDetails</Role>
      <ShortName>Commitments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/CommitmentsTables</ParentRole>
      <Position>128</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>093300 - Disclosure - Restatement of Comparative Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/RestatementOfComparativeInformationDetails</Role>
      <ShortName>Restatement of Comparative Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://elevra.com/role/RestatementOfComparativeInformationTables</ParentRole>
      <Position>129</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>093400 - Disclosure - Subsequent Events, Consideration Transferred (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsequentEventsConsiderationTransferredDetails</Role>
      <ShortName>Subsequent Events, Consideration Transferred (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>093402 - Disclosure - Subsequent Events, Merger Transaction Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsequentEventsMergerTransactionCostsDetails</Role>
      <ShortName>Subsequent Events, Merger Transaction Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="ef20057501_20f.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>093404 - Disclosure - Subsequent Events, Purchase Price Allocation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://elevra.com/role/SubsequentEventsPurchasePriceAllocationDetails</Role>
      <ShortName>Subsequent Events, Purchase Price Allocation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="20-F" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="ef20057501_20f.htm">ef20057501_20f.htm</File>
    <File>elvr-20250630.xsd</File>
    <File>elvr-20250630_cal.xml</File>
    <File>elvr-20250630_def.xml</File>
    <File>elvr-20250630_lab.xml</File>
    <File>elvr-20250630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>image0.jpg</File>
    <File>image00002.jpg</File>
    <File>image00003.jpg</File>
    <File>image00004.jpg</File>
    <File>image00005.jpg</File>
    <File>image00006.jpg</File>
    <File>image00007.jpg</File>
    <File>image00012.jpg</File>
    <File>image00013.jpg</File>
    <File>image1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="15">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="48">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="1">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
    <BaseTaxonomy items="1641">https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
