<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.21.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1678</ContextCount>
  <ElementCount>954</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>810</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>29</UnitCount>
  <MyReports>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - Consolidated income statement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedIncomeStatement</Role>
      <ShortName>Consolidated income statement</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00200 - Statement - Consolidated statement of comprehensive income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedStatementOfComprehensiveIncome</Role>
      <ShortName>Consolidated statement of comprehensive income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00300 - Statement - Consolidated statement of financial position</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedStatementOfFinancialPosition</Role>
      <ShortName>Consolidated statement of financial position</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00400 - Statement - Consolidated statement of changes in equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedStatementOfChangesInEquity</Role>
      <ShortName>Consolidated statement of changes in equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00405 - Statement - Consolidated statement of changes in equity (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedStatementOfChangesInEquityParenthetical</Role>
      <ShortName>Consolidated statement of changes in equity (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00500 - Statement - Consolidated statement of cash flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedStatementOfCashFlows</Role>
      <ShortName>Consolidated statement of cash flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00505 - Statement - Consolidated statement of cash flows (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/StatementConsolidatedStatementOfCashFlowsParenthetical</Role>
      <ShortName>Consolidated statement of cash flows (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>10101 - Disclosure - Basis of preparation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBasisOfPreparation</Role>
      <ShortName>Basis of preparation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Revenue disaggregation and segmental analysis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysis</Role>
      <ShortName>Revenue disaggregation and segmental analysis</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Operating profit/(loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOperatingProfitLoss</Role>
      <ShortName>Operating profit/(loss)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Impairment losses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentLosses</Role>
      <ShortName>Impairment losses</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Investment income and financing costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentIncomeAndFinancingCosts</Role>
      <ShortName>Investment income and financing costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Taxation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxation</Role>
      <ShortName>Taxation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Discontinued operations and assets and liabilities held for sale</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDiscontinuedOperationsAndAssetsAndLiabilitiesHeldForSale</Role>
      <ShortName>Discontinued operations and assets and liabilities held for sale</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>10801 - Disclosure - Earnings per share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEarningsPerShare</Role>
      <ShortName>Earnings per share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>10901 - Disclosure - Equity dividends</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEquityDividends</Role>
      <ShortName>Equity dividends</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>11001 - Disclosure - Intangible assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureIntangibleAssets</Role>
      <ShortName>Intangible assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>11101 - Disclosure - Property, plant and equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePropertyPlantAndEquipment</Role>
      <ShortName>Property, plant and equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>11201 - Disclosure - Investments in associates and joint ventures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointVentures</Role>
      <ShortName>Investments in associates and joint ventures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>11301 - Disclosure - Other investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOtherInvestments</Role>
      <ShortName>Other investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>11401 - Disclosure - Trade and other receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTradeAndOtherReceivables</Role>
      <ShortName>Trade and other receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>11501 - Disclosure - Trade and other payables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTradeAndOtherPayables</Role>
      <ShortName>Trade and other payables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>11601 - Disclosure - Provisions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureProvisions</Role>
      <ShortName>Provisions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>11701 - Disclosure - Called up share capital</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCalledUpShareCapital</Role>
      <ShortName>Called up share capital</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>11801 - Disclosure - Reconciliation of net cash flow from operating activities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureReconciliationOfNetCashFlowFromOperatingActivities</Role>
      <ShortName>Reconciliation of net cash flow from operating activities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>11901 - Disclosure - Cash and cash equivalents</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCashAndCashEquivalents</Role>
      <ShortName>Cash and cash equivalents</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>12001 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>12101 - Disclosure - Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBorrowings</Role>
      <ShortName>Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>12201 - Disclosure - Capital and financial risk management</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagement</Role>
      <ShortName>Capital and financial risk management</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>12301 - Disclosure - Directors and key management compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDirectorsAndKeyManagementCompensation</Role>
      <ShortName>Directors and key management compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>12401 - Disclosure - Employees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEmployees</Role>
      <ShortName>Employees</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>12501 - Disclosure - Post employment benefits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefits</Role>
      <ShortName>Post employment benefits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>12601 - Disclosure - Share-based payments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureShareBasedPayments</Role>
      <ShortName>Share-based payments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>12701 - Disclosure - Acquisitions and disposals</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposals</Role>
      <ShortName>Acquisitions and disposals</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>12801 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCommitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>12901 - Disclosure - Contingent liabilities and legal proceedings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureContingentLiabilitiesAndLegalProceedings</Role>
      <ShortName>Contingent liabilities and legal proceedings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>13001 - Disclosure - Related party transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>Related party transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>13101 - Disclosure - Related undertakings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedUndertakings</Role>
      <ShortName>Related undertakings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>13201 - Disclosure - Subsidiaries exempt from audit</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureSubsidiariesExemptFromAudit</Role>
      <ShortName>Subsidiaries exempt from audit</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>13301 - Disclosure - Subsequent events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>20102 - Disclosure - Basis of preparation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBasisOfPreparationPolicies</Role>
      <ShortName>Basis of preparation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>30203 - Disclosure - Revenue disaggregation and segmental analysis (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysisTables</Role>
      <ShortName>Revenue disaggregation and segmental analysis (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysis</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>30303 - Disclosure - Operating profit/(loss) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOperatingProfitLossTables</Role>
      <ShortName>Operating profit/(loss) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureOperatingProfitLoss</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>30403 - Disclosure - Impairment losses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentLossesTables</Role>
      <ShortName>Impairment losses (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureImpairmentLosses</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>30503 - Disclosure - Investment income and financing costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentIncomeAndFinancingCostsTables</Role>
      <ShortName>Investment income and financing costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureInvestmentIncomeAndFinancingCosts</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>30603 - Disclosure - Taxation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationTables</Role>
      <ShortName>Taxation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureTaxation</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>30703 - Disclosure - Discontinued operations and assets and liabilities held for sale (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDiscontinuedOperationsAndAssetsAndLiabilitiesHeldForSaleTables</Role>
      <ShortName>Discontinued operations and assets and liabilities held for sale (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureDiscontinuedOperationsAndAssetsAndLiabilitiesHeldForSale</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>30803 - Disclosure - Earnings per share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEarningsPerShareTables</Role>
      <ShortName>Earnings per share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureEarningsPerShare</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>30903 - Disclosure - Equity dividends (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEquityDividendsTables</Role>
      <ShortName>Equity dividends (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureEquityDividends</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>31003 - Disclosure - Intangible assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureIntangibleAssetsTables</Role>
      <ShortName>Intangible assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureIntangibleAssets</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>31103 - Disclosure - Property, plant and equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePropertyPlantAndEquipmentTables</Role>
      <ShortName>Property, plant and equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosurePropertyPlantAndEquipment</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>31203 - Disclosure - Investments in associates and joint ventures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesTables</Role>
      <ShortName>Investments in associates and joint ventures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointVentures</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>31303 - Disclosure - Other investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOtherInvestmentsTables</Role>
      <ShortName>Other investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureOtherInvestments</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>31403 - Disclosure - Trade and other receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTradeAndOtherReceivablesTables</Role>
      <ShortName>Trade and other receivables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureTradeAndOtherReceivables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>31503 - Disclosure - Trade and other payables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTradeAndOtherPayablesTables</Role>
      <ShortName>Trade and other payables (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureTradeAndOtherPayables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>31603 - Disclosure - Provisions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureProvisionsTables</Role>
      <ShortName>Provisions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureProvisions</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>31703 - Disclosure - Called up share capital (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCalledUpShareCapitalTables</Role>
      <ShortName>Called up share capital (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureCalledUpShareCapital</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>31803 - Disclosure - Reconciliation of net cash flow from operating activities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureReconciliationOfNetCashFlowFromOperatingActivitiesTables</Role>
      <ShortName>Reconciliation of net cash flow from operating activities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureReconciliationOfNetCashFlowFromOperatingActivities</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>31903 - Disclosure - Cash and cash equivalents (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCashAndCashEquivalentsTables</Role>
      <ShortName>Cash and cash equivalents (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureCashAndCashEquivalents</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>32003 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureLeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureLeases</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>32103 - Disclosure - Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBorrowingsTables</Role>
      <ShortName>Borrowings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureBorrowings</ParentRole>
      <Position>62</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>32203 - Disclosure - Capital and financial risk management (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementTables</Role>
      <ShortName>Capital and financial risk management (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagement</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>32303 - Disclosure - Directors and key management compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDirectorsAndKeyManagementCompensationTables</Role>
      <ShortName>Directors and key management compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureDirectorsAndKeyManagementCompensation</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>32403 - Disclosure - Employees (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEmployeesTables</Role>
      <ShortName>Employees (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureEmployees</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>32503 - Disclosure - Post employment benefits (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsTables</Role>
      <ShortName>Post employment benefits (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosurePostEmploymentBenefits</ParentRole>
      <Position>66</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>32603 - Disclosure - Share-based payments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureShareBasedPaymentsTables</Role>
      <ShortName>Share-based payments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureShareBasedPayments</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>32703 - Disclosure - Acquisitions and disposals (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsTables</Role>
      <ShortName>Acquisitions and disposals (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposals</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>32803 - Disclosure - Commitments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCommitmentsTables</Role>
      <ShortName>Commitments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureCommitments</ParentRole>
      <Position>69</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>32903 - Disclosure - Contingent liabilities and legal proceedings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureContingentLiabilitiesAndLegalProceedingsTables</Role>
      <ShortName>Contingent liabilities and legal proceedings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureContingentLiabilitiesAndLegalProceedings</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>33003 - Disclosure - Related party transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedPartyTransactionsTables</Role>
      <ShortName>Related party transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>33103 - Disclosure - Related undertakings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedUndertakingsTables</Role>
      <ShortName>Related undertakings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureRelatedUndertakings</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>33203 - Disclosure - Subsidiaries exempt from audit (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureSubsidiariesExemptFromAuditTables</Role>
      <ShortName>Subsidiaries exempt from audit (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureSubsidiariesExemptFromAudit</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>40101 - Disclosure - Basis of preparation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBasisOfPreparationDetailss</Role>
      <ShortName>Basis of preparation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureBasisOfPreparationPolicies</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>40102 - Disclosure - Basis of preparation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBasisOfPreparationDetails</Role>
      <ShortName>Basis of preparation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureBasisOfPreparationPolicies</ParentRole>
      <Position>75</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>40201 - Disclosure - Revenue disaggregation and segmental analysis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysisDetails</Role>
      <ShortName>Revenue disaggregation and segmental analysis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysisTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>40202 - Disclosure - Revenue disaggregation and segmental analysis - Reconciliation of adjusted EBITDA to operating profit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysisReconciliationOfAdjustedEbitdaToOperatingProfitDetails</Role>
      <ShortName>Revenue disaggregation and segmental analysis - Reconciliation of adjusted EBITDA to operating profit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>40203 - Disclosure - Revenue disaggregation and segmental analysis - Non-current assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRevenueDisaggregationAndSegmentalAnalysisNonCurrentAssetsDetails</Role>
      <ShortName>Revenue disaggregation and segmental analysis - Non-current assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>40301 - Disclosure - Operating profit/(loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOperatingProfitLossDetails</Role>
      <ShortName>Operating profit/(loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureOperatingProfitLossTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>40302 - Disclosure - Operating profit/(loss) - Remuneration of Group's auditor (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOperatingProfitLossRemunerationOfGroupSAuditorDetails</Role>
      <ShortName>Operating profit/(loss) - Remuneration of Group's auditor (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>40401 - Disclosure - Impairment losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentLossesDetails</Role>
      <ShortName>Impairment losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureImpairmentLossesTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>40402 - Disclosure - Impairment losses - Goodwill (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentLossesGoodwillDetails</Role>
      <ShortName>Impairment losses - Goodwill (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>40403 - Disclosure - Impairment Lossess - Joint operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentLossessJointOperationsDetails</Role>
      <ShortName>Impairment Lossess - Joint operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>40404 - Disclosure - Impairment review - Key assumptions used in value in use calculations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentReviewKeyAssumptionsUsedInValueInUseCalculationsDetails</Role>
      <ShortName>Impairment review - Key assumptions used in value in use calculations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>40405 - Disclosure - Impairment losses - Vodafone Idea (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureImpairmentLossesVodafoneIdeaDetails</Role>
      <ShortName>Impairment losses - Vodafone Idea (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Investment income and financing costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentIncomeAndFinancingCostsDetails</Role>
      <ShortName>Investment income and financing costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureInvestmentIncomeAndFinancingCostsTables</ParentRole>
      <Position>86</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>40601 - Disclosure - Taxation - Income tax expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationIncomeTaxExpenseDetails</Role>
      <ShortName>Taxation - Income tax expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>40602 - Disclosure - Taxation - Factors affecting tax expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationFactorsAffectingTaxExpenseDetails</Role>
      <ShortName>Taxation - Factors affecting tax expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>40603 - Disclosure - Taxation - Analysis of movements in net deferred tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationAnalysisOfMovementsInNetDeferredTaxDetails</Role>
      <ShortName>Taxation - Analysis of movements in net deferred tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>40604 - Disclosure - Taxation - Deferred tax assets and liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Taxation - Deferred tax assets and liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>40605 - Disclosure - Taxation - Unused tax losses and tax credits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationUnusedTaxLossesAndTaxCreditsDetails</Role>
      <ShortName>Taxation - Unused tax losses and tax credits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>40606 - Disclosure - Taxation - Deferred tax assets on losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTaxationDeferredTaxAssetsOnLossesDetails</Role>
      <ShortName>Taxation - Deferred tax assets on losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Discontinued operations and assets and liabilities held for sale (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDiscontinuedOperationsAndAssetsAndLiabilitiesHeldForSaleDetails</Role>
      <ShortName>Discontinued operations and assets and liabilities held for sale (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureDiscontinuedOperationsAndAssetsAndLiabilitiesHeldForSaleTables</ParentRole>
      <Position>93</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>40702 - Disclosure - Discontinued operations and assets held for sale - Assets held for sale New (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDiscontinuedOperationsAndAssetsHeldForSaleAssetsHeldForSaleNewDetails</Role>
      <ShortName>Discontinued operations and assets held for sale - Assets held for sale New (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>40801 - Disclosure - Earnings per shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEarningsPerSharesDetails</Role>
      <ShortName>Earnings per shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureEarningsPerShareTables</ParentRole>
      <Position>95</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>40901 - Disclosure - Equity dividends (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEquityDividendsDetails</Role>
      <ShortName>Equity dividends (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureEquityDividendsTables</ParentRole>
      <Position>96</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>41001 - Disclosure - Intangible assets - Accumulated impairment losses and amortisation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureIntangibleAssetsAccumulatedImpairmentLossesAndAmortisationDetails</Role>
      <ShortName>Intangible assets - Accumulated impairment losses and amortisation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>41101 - Disclosure - Property, plant and equipment - Accumulated depreciation and impairment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePropertyPlantAndEquipmentAccumulatedDepreciationAndImpairmentDetails</Role>
      <ShortName>Property, plant and equipment - Accumulated depreciation and impairment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>41102 - Disclosure - Property, plant and equipment - Accumulated (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePropertyPlantAndEquipmentAccumulatedDetails</Role>
      <ShortName>Property, plant and equipment - Accumulated (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>41103 - Disclosure - Property, plant and equipment - Right-of-use assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePropertyPlantAndEquipmentRightOfUseAssetsDetails</Role>
      <ShortName>Property, plant and equipment - Right-of-use assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>41201 - Disclosure - Investments in associates and joint ventures - Summary of Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesSummaryOfInvestmentsDetails</Role>
      <ShortName>Investments in associates and joint ventures - Summary of Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>41202 - Disclosure - Investments in associates and joint arrangements - Income statement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointArrangementsIncomeStatementDetails</Role>
      <ShortName>Investments in associates and joint arrangements - Income statement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>41203 - Disclosure - Investments in associates and joint arrangements - Statement of financial position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointArrangementsStatementOfFinancialPositionDetails</Role>
      <ShortName>Investments in associates and joint arrangements - Statement of financial position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>41204 - Disclosure - Investments in associates and joint arrangements - Reconciliation of summarised financial information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointArrangementsReconciliationOfSummarisedFinancialInformationDetails</Role>
      <ShortName>Investments in associates and joint arrangements - Reconciliation of summarised financial information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>41205 - Disclosure - Investments in associates and joint arrangements - Vodafone Idea Limited (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointArrangementsVodafoneIdeaLimitedDetails</Role>
      <ShortName>Investments in associates and joint arrangements - Vodafone Idea Limited (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>41206 - Disclosure - Investments in associates and joint arrangements - Associates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointArrangementsAssociatesDetails</Role>
      <ShortName>Investments in associates and joint arrangements - Associates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>41207 - Disclosure - Investments in associates and joint ventures (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesDetails</Role>
      <ShortName>Investments in associates and joint ventures (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesTables</ParentRole>
      <Position>107</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>41301 - Disclosure - Other investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureOtherInvestmentsDetails</Role>
      <ShortName>Other investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureOtherInvestmentsTables</ParentRole>
      <Position>108</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>41302 - Disclosure - Commitments, contingent liabilities and legal proceedings - Indus Tower merger (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCommitmentsContingentLiabilitiesAndLegalProceedingsIndusTowerMergerDetails</Role>
      <ShortName>Commitments, contingent liabilities and legal proceedings - Indus Tower merger (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>41303 - Disclosure - Commitments, contingent liabilities and legal proceedings - Other cases in the Group (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCommitmentsContingentLiabilitiesAndLegalProceedingsOtherCasesInGroupDetails</Role>
      <ShortName>Commitments, contingent liabilities and legal proceedings - Other cases in the Group (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>41401 - Disclosure - Trade and other receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTradeAndOtherReceivablesDetails</Role>
      <ShortName>Trade and other receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureTradeAndOtherReceivablesTables</ParentRole>
      <Position>111</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>41501 - Disclosure - Trade and other payables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureTradeAndOtherPayablesDetails</Role>
      <ShortName>Trade and other payables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureTradeAndOtherPayablesTables</ParentRole>
      <Position>112</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>41601 - Disclosure - Provisions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureProvisionsDetails</Role>
      <ShortName>Provisions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureProvisionsTables</ParentRole>
      <Position>113</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>41602 - Disclosure - Provisions - Current and non-current (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureProvisionsCurrentAndNonCurrentDetails</Role>
      <ShortName>Provisions - Current and non-current (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>41701 - Disclosure - Called up share capital (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCalledUpShareCapitalDetails</Role>
      <ShortName>Called up share capital (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureCalledUpShareCapitalTables</ParentRole>
      <Position>115</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>41801 - Disclosure - Reconciliation of net cash flow from operating activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureReconciliationOfNetCashFlowFromOperatingActivitiesDetails</Role>
      <ShortName>Reconciliation of net cash flow from operating activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureReconciliationOfNetCashFlowFromOperatingActivitiesTables</ParentRole>
      <Position>116</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>41901 - Disclosure - Cash and cash equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCashAndCashEquivalentsDetails</Role>
      <ShortName>Cash and cash equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureCashAndCashEquivalentsTables</ParentRole>
      <Position>117</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>42001 - Disclosure - Leases - Sale and Leaseback (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureLeasesSaleAndLeasebackDetails</Role>
      <ShortName>Leases - Sale and Leaseback (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>42002 - Disclosure - Leases - Maturity profile of lease liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureLeasesMaturityProfileOfLeaseLiabilitiesDetails</Role>
      <ShortName>Leases - Maturity profile of lease liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>42003 - Disclosure - Leases - As a Lessor (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureLeasesAsLessorDetails</Role>
      <ShortName>Leases - As a Lessor (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>42101 - Disclosure - Borrowings and capital resources - Total Borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBorrowingsAndCapitalResourcesTotalBorrowingsDetails</Role>
      <ShortName>Borrowings and capital resources - Total Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>42102 - Disclosure - Borrowings and capital resources - Commercial paper programmes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBorrowingsAndCapitalResourcesCommercialPaperProgrammesDetails</Role>
      <ShortName>Borrowings and capital resources - Commercial paper programmes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>42103 - Disclosure - Borrowings and capital resources - Bonds and Own shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureBorrowingsAndCapitalResourcesBondsAndOwnSharesDetails</Role>
      <ShortName>Borrowings and capital resources - Bonds and Own shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>42201 - Disclosure - Capital and financial risk management - Capital management (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCapitalManagementDetails</Role>
      <ShortName>Capital and financial risk management - Capital management (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>42202 - Disclosure - Capital and financial risk management - Financial risk management (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementFinancialRiskManagementDetails</Role>
      <ShortName>Capital and financial risk management - Financial risk management (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>42203 - Disclosure - Capital and financial risk management - Financial risk management - COVID 19 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementFinancialRiskManagementCovid19Details</Role>
      <ShortName>Capital and financial risk management - Financial risk management - COVID 19 (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>42204 - Disclosure - Capital and financial risk management - Credit risk - Maximum exposure to credit risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCreditRiskMaximumExposureToCreditRiskDetails</Role>
      <ShortName>Capital and financial risk management - Credit risk - Maximum exposure to credit risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>42205 - Disclosure - Capital and financial risk management - Credit risk - Financing activities - General information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCreditRiskFinancingActivitiesGeneralInformationDetails</Role>
      <ShortName>Capital and financial risk management - Credit risk - Financing activities - General information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>42206 - Disclosure - Capital and financial risk management - Credit risk - Financing activities - Cash collateral (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCreditRiskFinancingActivitiesCashCollateralDetails</Role>
      <ShortName>Capital and financial risk management - Credit risk - Financing activities - Cash collateral (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>42207 - Disclosure - Capital and financial risk management - Credit risk - Operating activities - General information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCreditRiskOperatingActivitiesGeneralInformationDetails</Role>
      <ShortName>Capital and financial risk management - Credit risk - Operating activities - General information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>42208 - Disclosure - Capital and financial risk management - Credit risk - Operating activities - Movements in allowance for expected credit losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCreditRiskOperatingActivitiesMovementsInAllowanceForExpectedCreditLossesDetails</Role>
      <ShortName>Capital and financial risk management - Credit risk - Operating activities - Movements in allowance for expected credit losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>42209 - Disclosure - Capital and financial risk management - Credit risk - Operating activities - Trade receivables past due (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementCreditRiskOperatingActivitiesTradeReceivablesPastDueDetails</Role>
      <ShortName>Capital and financial risk management - Credit risk - Operating activities - Trade receivables past due (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>42210 - Disclosure - Capital and financial risk management - Liquidity risk - Cash and cash equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementLiquidityRiskCashAndCashEquivalentsDetails</Role>
      <ShortName>Capital and financial risk management - Liquidity risk - Cash and cash equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>42211 - Disclosure - Capital and financial risk management - Liquidity risk - Borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementLiquidityRiskBorrowingsDetails</Role>
      <ShortName>Capital and financial risk management - Liquidity risk - Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>42212 - Disclosure - Capital and financial risk management - Liquidity risk - Maturity profile for non-derivative financial liabilities - Tabular disclosure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementLiquidityRiskMaturityProfileForNonDerivativeFinancialLiabilitiesTabularDisclosureDetails</Role>
      <ShortName>Capital and financial risk management - Liquidity risk - Maturity profile for non-derivative financial liabilities - Tabular disclosure (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>42213 - Disclosure - Capital and financial risk management - Liquidity risk - Maturity profile for non-derivative financial liabilities - Additional information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementLiquidityRiskMaturityProfileForNonDerivativeFinancialLiabilitiesAdditionalInformationDetails</Role>
      <ShortName>Capital and financial risk management - Liquidity risk - Maturity profile for non-derivative financial liabilities - Additional information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>42214 - Disclosure - Capital and financial risk management - Liquidity risk - Maturity profile for derivative financial liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementLiquidityRiskMaturityProfileForDerivativeFinancialLiabilitiesDetails</Role>
      <ShortName>Capital and financial risk management - Liquidity risk - Maturity profile for derivative financial liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>42215 - Disclosure - Capital and financial risk management - Market risk - Interest rate management (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementMarketRiskInterestRateManagementDetails</Role>
      <ShortName>Capital and financial risk management - Market risk - Interest rate management (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>138</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>42216 - Disclosure - Capital and financial risk management - Market risk - Foreign exchange risk management - General information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementMarketRiskForeignExchangeRiskManagementGeneralInformationDetails</Role>
      <ShortName>Capital and financial risk management - Market risk - Foreign exchange risk management - General information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>42217 - Disclosure - Capital and financial risk management - Market risk - Foreign exchange risk management - Tabular disclosure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementMarketRiskForeignExchangeRiskManagementTabularDisclosureDetails</Role>
      <ShortName>Capital and financial risk management - Market risk - Foreign exchange risk management - Tabular disclosure (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>42218 - Disclosure - Capital and financial risk management - Changes in assets and liabilities arising from financing activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementChangesInAssetsAndLiabilitiesArisingFromFinancingActivitiesDetails</Role>
      <ShortName>Capital and financial risk management - Changes in assets and liabilities arising from financing activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>42219 - Disclosure - Capital and financial risk management - Equity risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementEquityRiskDetails</Role>
      <ShortName>Capital and financial risk management - Equity risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>142</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>42220 - Disclosure - Capital and financial risk management - Risk management strategy of hedge relationships - Tabular disclosure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementRiskManagementStrategyOfHedgeRelationshipsTabularDisclosureDetails</Role>
      <ShortName>Capital and financial risk management - Risk management strategy of hedge relationships - Tabular disclosure (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>42221 - Disclosure - Capital and financial risk management - Net financial instruments - Derivative financial assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementNetFinancialInstrumentsDerivativeFinancialAssetsDetails</Role>
      <ShortName>Capital and financial risk management - Net financial instruments - Derivative financial assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>42222 - Disclosure - Capital and financial risk management - Net financial instruments - Derivative financial liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementNetFinancialInstrumentsDerivativeFinancialLiabilitiesDetails</Role>
      <ShortName>Capital and financial risk management - Net financial instruments - Derivative financial liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>42223 - Disclosure - Capital and financial risk management - Net financial instruments - Derivative financial assets (liabilities), net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementNetFinancialInstrumentsDerivativeFinancialAssetsLiabilitiesNetDetails</Role>
      <ShortName>Capital and financial risk management - Net financial instruments - Derivative financial assets (liabilities), net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>146</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>42224 - Disclosure - Capital and financial risk management - Risk management strategy of hedge relationships - Additional information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCapitalAndFinancialRiskManagementRiskManagementStrategyOfHedgeRelationshipsAdditionalInformationDetails</Role>
      <ShortName>Capital and financial risk management - Risk management strategy of hedge relationships - Additional information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>147</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>42301 - Disclosure - Directors and key management compensation - Directors (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDirectorsAndKeyManagementCompensationDirectorsDetails</Role>
      <ShortName>Directors and key management compensation - Directors (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>42302 - Disclosure - Directors and key management compensation - Key management compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureDirectorsAndKeyManagementCompensationKeyManagementCompensationDetails</Role>
      <ShortName>Directors and key management compensation - Key management compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>149</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R150.htm</HtmlFileName>
      <LongName>42401 - Disclosure - Employees (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureEmployeesDetails</Role>
      <ShortName>Employees (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureEmployeesTables</ParentRole>
      <Position>150</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R151.htm</HtmlFileName>
      <LongName>42501 - Disclosure - Post employment benefits - Income statement expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsIncomeStatementExpenseDetails</Role>
      <ShortName>Post employment benefits - Income statement expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>151</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R152.htm</HtmlFileName>
      <LongName>42502 - Disclosure - Post employment benefits - Defined benefit plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsDefinedBenefitPlansDetails</Role>
      <ShortName>Post employment benefits - Defined benefit plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>152</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R153.htm</HtmlFileName>
      <LongName>42503 - Disclosure - Post employment benefits - Actuarial assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsActuarialAssumptionsDetails</Role>
      <ShortName>Post employment benefits - Actuarial assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>153</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R154.htm</HtmlFileName>
      <LongName>42504 - Disclosure - Post employment benefits - Duration of benefit obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsDurationOfBenefitObligationsDetails</Role>
      <ShortName>Post employment benefits - Duration of benefit obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>154</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R155.htm</HtmlFileName>
      <LongName>42505 - Disclosure - Post employment benefits - Fair value of assets and present value of liabilities of schemes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsFairValueOfAssetsAndPresentValueOfLiabilitiesOfSchemesDetails</Role>
      <ShortName>Post employment benefits - Fair value of assets and present value of liabilities of schemes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>155</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R156.htm</HtmlFileName>
      <LongName>42506 - Disclosure - Post employment benefits - Analysis of net assets/(deficit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsAnalysisOfNetAssetsDeficitDetails</Role>
      <ShortName>Post employment benefits - Analysis of net assets/(deficit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>156</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R157.htm</HtmlFileName>
      <LongName>42507 - Disclosure - Post employment benefits - Fair value of pension assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsFairValueOfPensionAssetsDetails</Role>
      <ShortName>Post employment benefits - Fair value of pension assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>157</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R158.htm</HtmlFileName>
      <LongName>42508 - Disclosure - Post employment benefits - Sensitivity analysis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosurePostEmploymentBenefitsSensitivityAnalysisDetails</Role>
      <ShortName>Post employment benefits - Sensitivity analysis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>158</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R159.htm</HtmlFileName>
      <LongName>42601 - Disclosure - Share-based payments - Accounting policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureShareBasedPaymentsAccountingPoliciesDetails</Role>
      <ShortName>Share-based payments - Accounting policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>159</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R160.htm</HtmlFileName>
      <LongName>42602 - Disclosure - Share-based payments - Share options and Share plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureShareBasedPaymentsShareOptionsAndSharePlansDetails</Role>
      <ShortName>Share-based payments - Share options and Share plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>160</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R161.htm</HtmlFileName>
      <LongName>42603 - Disclosure - Share-based payments - Summary of options outstanding (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureShareBasedPaymentsSummaryOfOptionsOutstandingDetails</Role>
      <ShortName>Share-based payments - Summary of options outstanding (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>161</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R162.htm</HtmlFileName>
      <LongName>42604 - Disclosure - Share-based payments - Share awards and Other information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureShareBasedPaymentsShareAwardsAndOtherInformationDetails</Role>
      <ShortName>Share-based payments - Share awards and Other information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>162</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R163.htm</HtmlFileName>
      <LongName>42701 - Disclosure - Acquisitions and disposals - Acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsAcquisitionsDetails</Role>
      <ShortName>Acquisitions and disposals - Acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>163</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R164.htm</HtmlFileName>
      <LongName>42702 - Disclosure - Acquisitions and disposals - European Liberty Global assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsEuropeanLibertyGlobalAssetsDetails</Role>
      <ShortName>Acquisitions and disposals - European Liberty Global assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>164</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R165.htm</HtmlFileName>
      <LongName>42703 - Disclosure - Acquisitions and disposals - Aggregate cash consideration of disposal of subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsAggregateCashConsiderationOfDisposalOfSubsidiariesDetails</Role>
      <ShortName>Acquisitions and disposals - Aggregate cash consideration of disposal of subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>165</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R166.htm</HtmlFileName>
      <LongName>42704 - Disclosure - Acquisitions and disposals - Vodafone New Zealand (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsVodafoneNewZealandDetails</Role>
      <ShortName>Acquisitions and disposals - Vodafone New Zealand (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>166</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R167.htm</HtmlFileName>
      <LongName>42705 - Disclosure - Acquisitions and disposals - Tower infrastructure in Italy (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsTowerInfrastructureInItalyDetails</Role>
      <ShortName>Acquisitions and disposals - Tower infrastructure in Italy (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>167</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R168.htm</HtmlFileName>
      <LongName>42706 - Disclosure - Acquisitions and disposals - Vodafone Maltan and Idea (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsVodafoneMaltanAndIdeaDetails</Role>
      <ShortName>Acquisitions and disposals - Vodafone Maltan and Idea (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>168</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R169.htm</HtmlFileName>
      <LongName>42707 - Disclosure - Acquisitions and disposals - Other transactions with non-controlling shareholders in subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsOtherTransactionsWithNonControllingShareholdersInSubsidiariesDetails</Role>
      <ShortName>Acquisitions and disposals - Other transactions with non-controlling shareholders in subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>169</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R170.htm</HtmlFileName>
      <LongName>42708 - Disclosure - Acquisitions and disposals - Vantage towers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsVantageTowersDetails</Role>
      <ShortName>Acquisitions and disposals - Vantage towers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>170</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R171.htm</HtmlFileName>
      <LongName>42709 - Disclosure - Acquisitions and disposals - Disposals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureAcquisitionsAndDisposalsDisposalsDetails</Role>
      <ShortName>Acquisitions and disposals - Disposals (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>171</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R172.htm</HtmlFileName>
      <LongName>42801 - Disclosure - Commitments - Operating lease commitments and Capital commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCommitmentsOperatingLeaseCommitmentsAndCapitalCommitmentsDetails</Role>
      <ShortName>Commitments - Operating lease commitments and Capital commitments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>172</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R173.htm</HtmlFileName>
      <LongName>42802 - Disclosure - Commitments - Acquisition and disposal commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureCommitmentsAcquisitionAndDisposalCommitmentsDetails</Role>
      <ShortName>Commitments - Acquisition and disposal commitments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>173</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R174.htm</HtmlFileName>
      <LongName>42901 - Disclosure - Contingent liabilities and legal proceedings - Contingent liabilities and UK pension schemes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureContingentLiabilitiesAndLegalProceedingsContingentLiabilitiesAndUkPensionSchemesDetails</Role>
      <ShortName>Contingent liabilities and legal proceedings - Contingent liabilities and UK pension schemes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>174</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R175.htm</HtmlFileName>
      <LongName>43001 - Disclosure - Related party transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedPartyTransactionsDetails</Role>
      <ShortName>Related party transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.vodafone.com/role/DisclosureRelatedPartyTransactionsTables</ParentRole>
      <Position>175</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R176.htm</HtmlFileName>
      <LongName>43101 - Disclosure - Related undertakings - Subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedUndertakingsSubsidiariesDetails</Role>
      <ShortName>Related undertakings - Subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>176</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R177.htm</HtmlFileName>
      <LongName>43102 - Disclosure - Related undertakings - Associated undertakings and joint arrangements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedUndertakingsAssociatedUndertakingsAndJointArrangementsDetails</Role>
      <ShortName>Related undertakings - Associated undertakings and joint arrangements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>177</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R178.htm</HtmlFileName>
      <LongName>43103 - Disclosure - Related undertakings - Subsidiaries that have non-controlling interests (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureRelatedUndertakingsSubsidiariesThatHaveNonControllingInterestsDetails</Role>
      <ShortName>Related undertakings - Subsidiaries that have non-controlling interests (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>178</Position>
    </Report>
    <Report instance="vod-20210331.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R179.htm</HtmlFileName>
      <LongName>43301 - Disclosure - Subsequent events - Repurchase of Floating Rate Notes by Verizon (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.vodafone.com/role/DisclosureSubsequentEventsRepurchaseOfFloatingRateNotesByVerizonDetails</Role>
      <ShortName>Subsequent events - Repurchase of Floating Rate Notes by Verizon (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>179</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>vod-20210331.xml</File>
    <File>vod-20210331.xsd</File>
    <File>vod-20210331_cal.xml</File>
    <File>vod-20210331_def.xml</File>
    <File>vod-20210331_lab.xml</File>
    <File>vod-20210331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://fasb.org/srt/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/currency/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.ifrs.org/taxonomy/2020-03-16/ifrs-full</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2020-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2020-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
