<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1941</ContextCount>
  <ElementCount>722</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>455</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>30</UnitCount>
  <MyReports>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952151 - Statement - Consolidated income statement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Consolidatedincomestatement</Role>
      <ShortName>Consolidated income statement</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952152 - Statement - Consolidated statement of comprehensive income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Consolidatedstatementofcomprehensiveincome</Role>
      <ShortName>Consolidated statement of comprehensive income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952153 - Statement - Consolidated statement of changes in equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Consolidatedstatementofchangesinequity</Role>
      <ShortName>Consolidated statement of changes in equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952154 - Statement - Consolidated statement of financial position</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Consolidatedstatementoffinancialposition</Role>
      <ShortName>Consolidated statement of financial position</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952155 - Statement - Consolidated statement of financial position (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/ConsolidatedstatementoffinancialpositionParenthetical</Role>
      <ShortName>Consolidated statement of financial position (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952156 - Statement - Consolidated statement of cash flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Consolidatedstatementofcashflows</Role>
      <ShortName>Consolidated statement of cash flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952157 - Statement - Consolidated statement of cash flows (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/ConsolidatedstatementofcashflowsParenthetical</Role>
      <ShortName>Consolidated statement of cash flows (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Basis of preparation and accounting policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Basisofpreparationandaccountingpolicies</Role>
      <ShortName>Basis of preparation and accounting policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Analysis of performance by segment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Analysisofperformancebysegment</Role>
      <ShortName>Analysis of performance by segment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Insurance service expenses and other expenditure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Insuranceserviceexpensesandotherexpenditure</Role>
      <ShortName>Insurance service expenses and other expenditure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Tax charge</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Taxcharge</Role>
      <ShortName>Tax charge</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Earnings per share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Earningspershare</Role>
      <ShortName>Earnings per share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Dividends</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Dividends</Role>
      <ShortName>Dividends</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Group assets and liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Groupassetsandliabilities</Role>
      <ShortName>Group assets and liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Measurement of financial assets and liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Measurementoffinancialassetsandliabilities</Role>
      <ShortName>Measurement of financial assets and liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Insurance and reinsurance contracts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Insuranceandreinsurancecontracts</Role>
      <ShortName>Insurance and reinsurance contracts</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Intangible assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Intangibleassets</Role>
      <ShortName>Intangible assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Borrowings</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Borrowings</Role>
      <ShortName>Borrowings</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Risk and sensitivity analysis</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Riskandsensitivityanalysis</Role>
      <ShortName>Risk and sensitivity analysis</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - Tax assets and liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Taxassetsandliabilities</Role>
      <ShortName>Tax assets and liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - Share capital, share premium and own shares</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Sharecapitalsharepremiumandownshares</Role>
      <ShortName>Share capital, share premium and own shares</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - Capital</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Capital</Role>
      <ShortName>Capital</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - Property, plant and equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Propertyplantandequipment</Role>
      <ShortName>Property, plant and equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - Contingencies and related obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Contingenciesandrelatedobligations</Role>
      <ShortName>Contingencies and related obligations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9952175 - Disclosure - Consolidation of ownership interest in Prudential Assurance Malaysia Berhad</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/ConsolidationofownershipinterestinPrudentialAssuranceMalaysiaBerhad</Role>
      <ShortName>Consolidation of ownership interest in Prudential Assurance Malaysia Berhad</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9952176 - Disclosure - Post balance sheet events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Postbalancesheetevents</Role>
      <ShortName>Post balance sheet events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9952177 - Disclosure - Related party transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Relatedpartytransactions</Role>
      <ShortName>Related party transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9952178 - Disclosure - Commitments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Commitments</Role>
      <ShortName>Commitments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9952179 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Investmentsinsubsidiaryundertakingsjointventuresandassociates</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9952180 - Disclosure - Condensed Financial Information of Registrant Prudential plc</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CondensedFinancialInformationofRegistrantPrudentialplc</Role>
      <ShortName>Condensed Financial Information of Registrant Prudential plc</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Basis of preparation and accounting policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesPolicies</Role>
      <ShortName>Basis of preparation and accounting policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Basis of preparation and accounting policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesTables</Role>
      <ShortName>Basis of preparation and accounting policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Basisofpreparationandaccountingpolicies</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Analysis of performance by segment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AnalysisofperformancebysegmentTables</Role>
      <ShortName>Analysis of performance by segment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Analysisofperformancebysegment</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Insurance service expenses and other expenditure (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureTables</Role>
      <ShortName>Insurance service expenses and other expenditure (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Insuranceserviceexpensesandotherexpenditure</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Tax charge (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxchargeTables</Role>
      <ShortName>Tax charge (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Taxcharge</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Earnings per share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/EarningspershareTables</Role>
      <ShortName>Earnings per share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Earningspershare</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Dividends (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/DividendsTables</Role>
      <ShortName>Dividends (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Dividends</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Group assets and liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesTables</Role>
      <ShortName>Group assets and liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Groupassetsandliabilities</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Measurement of financial assets and liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesTables</Role>
      <ShortName>Measurement of financial assets and liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Measurementoffinancialassetsandliabilities</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Insurance and reinsurance contracts (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsTables</Role>
      <ShortName>Insurance and reinsurance contracts (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Insuranceandreinsurancecontracts</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Intangible assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/IntangibleassetsTables</Role>
      <ShortName>Intangible assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Intangibleassets</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Borrowings (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BorrowingsTables</Role>
      <ShortName>Borrowings (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Borrowings</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Risk and sensitivity analysis (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RiskandsensitivityanalysisTables</Role>
      <ShortName>Risk and sensitivity analysis (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Riskandsensitivityanalysis</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Tax assets and liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxassetsandliabilitiesTables</Role>
      <ShortName>Tax assets and liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Taxassetsandliabilities</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Share capital, share premium and own shares (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/SharecapitalsharepremiumandownsharesTables</Role>
      <ShortName>Share capital, share premium and own shares (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Sharecapitalsharepremiumandownshares</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Capital (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CapitalTables</Role>
      <ShortName>Capital (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Capital</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Property, plant and equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/PropertyplantandequipmentTables</Role>
      <ShortName>Property, plant and equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Propertyplantandequipment</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesTables</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Investmentsinsubsidiaryundertakingsjointventuresandassociates</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Basis of preparation and accounting policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesDetails</Role>
      <ShortName>Basis of preparation and accounting policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Basis of preparation and accounting policies - Yield curves used to discount cash flows of insurance contracts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesYieldcurvesusedtodiscountcashflowsofinsurancecontractsDetails</Role>
      <ShortName>Basis of preparation and accounting policies - Yield curves used to discount cash flows of insurance contracts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Basis of preparation and accounting policies - Various accounting policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesVariousaccountingpoliciesDetails</Role>
      <ShortName>Basis of preparation and accounting policies - Various accounting policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Basis of preparation and accounting policies - VFA eligibility assessment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesVFAeligibilityassessmentDetails</Role>
      <ShortName>Basis of preparation and accounting policies - VFA eligibility assessment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Basis of preparation and accounting policies - Distribution rights (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesDistributionrightsDetails</Role>
      <ShortName>Basis of preparation and accounting policies - Distribution rights (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Basis of preparation and accounting policies - Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BasisofpreparationandaccountingpoliciesInvestmentsDetails</Role>
      <ShortName>Basis of preparation and accounting policies - Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Analysis of performance by segment - Segment results (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AnalysisofperformancebysegmentSegmentresultsDetails</Role>
      <ShortName>Analysis of performance by segment - Segment results (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Analysis of performance by segment - Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AnalysisofperformancebysegmentRevenueDetails</Role>
      <ShortName>Analysis of performance by segment - Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Analysis of performance by segment - Additional analysis of investment return (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AnalysisofperformancebysegmentAdditionalanalysisofinvestmentreturnDetails</Role>
      <ShortName>Analysis of performance by segment - Additional analysis of investment return (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Analysis of performance by segment - Net insurance and reinsurance finance income (expense) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AnalysisofperformancebysegmentNetinsuranceandreinsurancefinanceincomeexpenseDetails</Role>
      <ShortName>Analysis of performance by segment - Net insurance and reinsurance finance income (expense) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Analysis of performance by segment - Profit after tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/AnalysisofperformancebysegmentProfitaftertaxDetails</Role>
      <ShortName>Analysis of performance by segment - Profit after tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Insurance service expenses and other expenditure - Analysis of expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureAnalysisofexpensesDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Analysis of expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Insurance service expenses and other expenditure - Depreciation and amortisation and Interest expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureDepreciationandamortisationandInterestexpenseDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Depreciation and amortisation and Interest expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Insurance service expenses and other expenditure - Staff and employment costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureStaffandemploymentcostsDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Staff and employment costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Insurance service expenses and other expenditure - Outstanding options and awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureOutstandingoptionsandawardsDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Outstanding options and awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Insurance service expenses and other expenditure - Exercise price ranges for options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureExercisepricerangesforoptionsDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Exercise price ranges for options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Insurance service expenses and other expenditure - Fair value of options and awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureFairvalueofoptionsandawardsDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Fair value of options and awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Insurance service expenses and other expenditure - Share-based payment expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureSharebasedpaymentexpenseDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Share-based payment expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Insurance service expenses and other expenditure - Key management remuneration (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureKeymanagementremunerationDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Key management remuneration (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Insurance service expenses and other expenditure - Fees payable to the auditor (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceserviceexpensesandotherexpenditureFeespayabletotheauditorDetails</Role>
      <ShortName>Insurance service expenses and other expenditure - Fees payable to the auditor (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Tax charge - Total tax charge by nature (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxchargeTotaltaxchargebynatureDetails</Role>
      <ShortName>Tax charge - Total tax charge by nature (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Tax charge - Components (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxchargeComponentsDetails</Role>
      <ShortName>Tax charge - Components (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Tax charge - Reconciliation of shareholder effective tax rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxchargeReconciliationofshareholdereffectivetaxrateDetails</Role>
      <ShortName>Tax charge - Reconciliation of shareholder effective tax rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Tax charge - Provision for open tax matters (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxchargeProvisionforopentaxmattersDetails</Role>
      <ShortName>Tax charge - Provision for open tax matters (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Tax charge - 2023, 2022 and 2021 actual tax rate of relevant business operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/Taxcharge20232022and2021actualtaxrateofrelevantbusinessoperationsDetails</Role>
      <ShortName>Tax charge - 2023, 2022 and 2021 actual tax rate of relevant business operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - Earnings per share - Calculation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/EarningspershareCalculationDetails</Role>
      <ShortName>Earnings per share - Calculation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - Earnings per share - Weighted average shares (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/EarningspershareWeightedaveragesharesDetails</Role>
      <ShortName>Earnings per share - Weighted average shares (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - Dividends (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/DividendsDetails</Role>
      <ShortName>Dividends (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/DividendsTables</ParentRole>
      <Position>80</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - Group assets and liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesDetails</Role>
      <ShortName>Group assets and liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/GroupassetsandliabilitiesTables</ParentRole>
      <Position>81</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - Group assets and liabilities by business types - Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesbybusinesstypesSecuritiesDetails</Role>
      <ShortName>Group assets and liabilities by business types - Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - Group assets and liabilities - Accrued investment income and other debtors (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesAccruedinvestmentincomeandotherdebtorsDetails</Role>
      <ShortName>Group assets and liabilities - Accrued investment income and other debtors (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - Group assets and liabilities - Accruals, deferred income and other liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesAccrualsdeferredincomeandotherliabilitiesDetails</Role>
      <ShortName>Group assets and liabilities - Accruals, deferred income and other liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - Group assets and liabilities - Cash and cash equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesCashandcashequivalentsDetails</Role>
      <ShortName>Group assets and liabilities - Cash and cash equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - Group assets and liabilities - Provisions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/GroupassetsandliabilitiesProvisionsDetails</Role>
      <ShortName>Group assets and liabilities - Provisions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - Measurement of financial assets and liabilities - Carried at fair value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesCarriedatfairvalueDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Carried at fair value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - Measurement of financial assets and liabilities - Valuation approach for level 3 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesValuationapproachforlevel3Details</Role>
      <ShortName>Measurement of financial assets and liabilities - Valuation approach for level 3 (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - Measurement of financial assets and liabilities - Transfers between levels (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesTransfersbetweenlevelsDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Transfers between levels (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - Measurement of financial assets and liabilities - Level 3 financial instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesLevel3financialinstrumentsDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Level 3 financial instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - Measurement of financial assets and liabilities - Assets and liabilities at amortized cost and their fair value (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesAssetsandliabilitiesatamortizedcostandtheirfairvalueDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Assets and liabilities at amortized cost and their fair value (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - Measurement of financial assets and liabilities - Financial assets and liabilities by IFRS 9 category (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesFinancialassetsandliabilitiesbyIFRS9categoryDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Financial assets and liabilities by IFRS 9 category (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - Measurement of financial assets and liabilities - Maturity of financial liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesMaturityoffinancialliabilitiesDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Maturity of financial liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - Measurement of financial assets and liabilities - Maturity analysis of derivatives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesMaturityanalysisofderivativesDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Maturity analysis of derivatives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - Measurement of financial assets and liabilities - Credit risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesCreditriskDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Credit risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>9955572 - Disclosure - Measurement of financial assets and liabilities - Foreign exchange risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesForeignexchangeriskDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Foreign exchange risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>9955573 - Disclosure - Measurement of financial assets and liabilities - Derivatives and hedging (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesDerivativesandhedgingDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Derivatives and hedging (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>9955574 - Disclosure - Measurement of financial assets and liabilities - Derecognition and collateral (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesDerecognitionandcollateralDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Derecognition and collateral (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>9955575 - Disclosure - Measurement of financial assets and liabilities - Offsetting assets and liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/MeasurementoffinancialassetsandliabilitiesOffsettingassetsandliabilitiesDetails</Role>
      <ShortName>Measurement of financial assets and liabilities - Offsetting assets and liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>9955576 - Disclosure - Insurance and reinsurance contracts - Analysis of portfolio of insurance and reinsurance (RI) contract assets and liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsAnalysisofportfolioofinsuranceandreinsuranceRIcontractassetsandliabilitiesDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Analysis of portfolio of insurance and reinsurance (RI) contract assets and liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>9955577 - Disclosure - Insurance and reinsurance contracts - Analysis of movements in insurance and reinsurance contract balances by measurement component (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsAnalysisofmovementsininsuranceandreinsurancecontractbalancesbymeasurementcomponentDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Analysis of movements in insurance and reinsurance contract balances by measurement component (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>9955578 - Disclosure - Insurance and reinsurance contracts - CSM transition approach (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsCSMtransitionapproachDetails</Role>
      <ShortName>Insurance and reinsurance contracts - CSM transition approach (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>9955579 - Disclosure - Insurance and reinsurance contracts - Analysis of movements in insurance and reinsurance contract balances by remaining coverage and incurred claims (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsAnalysisofmovementsininsuranceandreinsurancecontractbalancesbyremainingcoverageandincurredclaimsDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Analysis of movements in insurance and reinsurance contract balances by remaining coverage and incurred claims (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>9955580 - Disclosure - Insurance and reinsurance contracts - Effect of insurance contracts initially recognised (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsEffectofinsurancecontractsinitiallyrecognisedDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Effect of insurance contracts initially recognised (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>9955581 - Disclosure - Insurance and reinsurance contracts - Analysis of movements in insurance and reinsurance contract balances including JVs and associates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsAnalysisofmovementsininsuranceandreinsurancecontractbalancesincludingJVsandassociatesDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Analysis of movements in insurance and reinsurance contract balances including JVs and associates (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>9955582 - Disclosure - Insurance and reinsurance contracts - CSM transition approach (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsCSMtransitionapproachDetails_1</Role>
      <ShortName>Insurance and reinsurance contracts - CSM transition approach (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>9955583 - Disclosure - Insurance and reinsurance contracts - Additional analysis of insurance and reinsurance contract balances by segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsAdditionalanalysisofinsuranceandreinsurancecontractbalancesbysegmentDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Additional analysis of insurance and reinsurance contract balances by segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>9955584 - Disclosure - Insurance and reinsurance contracts - Insurance contracts - expected recognition of the CSM (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsInsurancecontractsexpectedrecognitionoftheCSMDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Insurance contracts - expected recognition of the CSM (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>9955585 - Disclosure - Insurance and reinsurance contracts - Reinsurance contracts - expected recognition of the CSM (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsReinsurancecontractsexpectedrecognitionoftheCSMDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Reinsurance contracts - expected recognition of the CSM (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>9955586 - Disclosure - Insurance and reinsurance contracts - Insurance contract liabilities - expected cash flows (discounted) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsInsurancecontractliabilitiesexpectedcashflowsdiscountedDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Insurance contract liabilities - expected cash flows (discounted) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>9955587 - Disclosure - Insurance and reinsurance contracts - Reinsurance contract liabilities - expected cash flows (discounted) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsReinsurancecontractliabilitiesexpectedcashflowsdiscountedDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Reinsurance contract liabilities - expected cash flows (discounted) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>9955588 - Disclosure - Insurance and reinsurance contracts - Products and determining contract liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InsuranceandreinsurancecontractsProductsanddeterminingcontractliabilitiesDetails</Role>
      <ShortName>Insurance and reinsurance contracts - Products and determining contract liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>9955589 - Disclosure - Intangible assets - Goodwill reconciliation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/IntangibleassetsGoodwillreconciliationDetails</Role>
      <ShortName>Intangible assets - Goodwill reconciliation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>9955590 - Disclosure - Intangible assets - Impairment testing (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/IntangibleassetsImpairmenttestingDetails</Role>
      <ShortName>Intangible assets - Impairment testing (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>9955591 - Disclosure - Intangible Assets - Other intangible assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/IntangibleAssetsOtherintangibleassetsDetails</Role>
      <ShortName>Intangible Assets - Other intangible assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>9955592 - Disclosure - Borrowings - Core Structural Borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BorrowingsCoreStructuralBorrowingsDetails</Role>
      <ShortName>Borrowings - Core Structural Borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>9955593 - Disclosure - Borrowings - Operational borrowings (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/BorrowingsOperationalborrowingsDetails</Role>
      <ShortName>Borrowings - Operational borrowings (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>9955594 - Disclosure - Risk and sensitivity analysis - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RiskandsensitivityanalysisNarrativeDetails</Role>
      <ShortName>Risk and sensitivity analysis - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>9955595 - Disclosure - Risk and sensitivity analysis - Change in Local Currency (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RiskandsensitivityanalysisChangeinLocalCurrencyDetails</Role>
      <ShortName>Risk and sensitivity analysis - Change in Local Currency (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>9955596 - Disclosure - Risk and sensitivity analysis - Base Values (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RiskandsensitivityanalysisBaseValuesDetails</Role>
      <ShortName>Risk and sensitivity analysis - Base Values (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>9955597 - Disclosure - Risk and sensitivity analysis - Interest Rates and Consequential Effects (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RiskandsensitivityanalysisInterestRatesandConsequentialEffectsDetails</Role>
      <ShortName>Risk and sensitivity analysis - Interest Rates and Consequential Effects (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>9955598 - Disclosure - Risk and sensitivity analysis - Sensitivity to insurance risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RiskandsensitivityanalysisSensitivitytoinsuranceriskDetails</Role>
      <ShortName>Risk and sensitivity analysis - Sensitivity to insurance risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>9955599 - Disclosure - Tax assets and liabilities - Current Tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxassetsandliabilitiesCurrentTaxDetails</Role>
      <ShortName>Tax assets and liabilities - Current Tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>9955600 - Disclosure - Tax assets and liabilities - Deferred tax assets and liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxassetsandliabilitiesDeferredtaxassetsandliabilitiesDetails</Role>
      <ShortName>Tax assets and liabilities - Deferred tax assets and liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>9955601 - Disclosure - Tax assets and liabilities - Tax benefits not recognized (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/TaxassetsandliabilitiesTaxbenefitsnotrecognizedDetails</Role>
      <ShortName>Tax assets and liabilities - Tax benefits not recognized (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>9955602 - Disclosure - Share capital, share premium and own shares - Share capital and premium (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/SharecapitalsharepremiumandownsharesSharecapitalandpremiumDetails</Role>
      <ShortName>Share capital, share premium and own shares - Share capital and premium (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>9955603 - Disclosure - Share capital, share premium and own shares - Purchases by employee share scheme trusts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/SharecapitalsharepremiumandownsharesPurchasesbyemployeeshareschemetrustsDetails</Role>
      <ShortName>Share capital, share premium and own shares - Purchases by employee share scheme trusts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>9955604 - Disclosure - Share capital, share premium and own shares - Share repurchase/ buyback programmes by the Company (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/SharecapitalsharepremiumandownsharesSharerepurchasebuybackprogrammesbytheCompanyDetails</Role>
      <ShortName>Share capital, share premium and own shares - Share repurchase/ buyback programmes by the Company (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>9955605 - Disclosure - Capital - Capital Measure (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CapitalCapitalMeasureDetails</Role>
      <ShortName>Capital - Capital Measure (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>9955606 - Disclosure - Capital - Local capital regulations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CapitalLocalcapitalregulationsDetails</Role>
      <ShortName>Capital - Local capital regulations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>9955607 - Disclosure - Capital - Asset management operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CapitalAssetmanagementoperationsDetails</Role>
      <ShortName>Capital - Asset management operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>9955608 - Disclosure - Property, plant and equipment - Breakdown (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/PropertyplantandequipmentBreakdownDetails</Role>
      <ShortName>Property, plant and equipment - Breakdown (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>9955609 - Disclosure - Property, plant and equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/PropertyplantandequipmentDetails</Role>
      <ShortName>Property, plant and equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/PropertyplantandequipmentTables</ParentRole>
      <Position>133</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>9955610 - Disclosure - Contingencies and related obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/ContingenciesandrelatedobligationsDetails</Role>
      <ShortName>Contingencies and related obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Contingenciesandrelatedobligations</ParentRole>
      <Position>134</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>9955611 - Disclosure - Consolidation of ownership interest in Prudential Assurance Malaysia Berhad (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/ConsolidationofownershipinterestinPrudentialAssuranceMalaysiaBerhadDetails</Role>
      <ShortName>Consolidation of ownership interest in Prudential Assurance Malaysia Berhad (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/ConsolidationofownershipinterestinPrudentialAssuranceMalaysiaBerhad</ParentRole>
      <Position>135</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>9955612 - Disclosure - Post balance sheet events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/PostbalancesheeteventsDetails</Role>
      <ShortName>Post balance sheet events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Postbalancesheetevents</ParentRole>
      <Position>136</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>9955613 - Disclosure - Related party transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/RelatedpartytransactionsDetails</Role>
      <ShortName>Related party transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Relatedpartytransactions</ParentRole>
      <Position>137</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>9955614 - Disclosure - Commitments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CommitmentsDetails</Role>
      <ShortName>Commitments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.prudentialplc.com/role/Commitments</ParentRole>
      <Position>138</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>9955615 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Aggregate carrying amounts of the investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesAggregatecarryingamountsoftheinvestmentsDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Aggregate carrying amounts of the investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>9955616 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Equity method and fair value through profit or loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesEquitymethodandfairvaluethroughprofitorlossDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Equity method and fair value through profit or loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>9955617 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Financial position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesFinancialpositionDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Financial position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>9955618 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Income statement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesIncomestatementDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Income statement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>142</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>9955619 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Reconciliation of carrying amounts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesReconciliationofcarryingamountsDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Reconciliation of carrying amounts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>9955620 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Ownership percentage (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesOwnershippercentageDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Ownership percentage (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>9955621 - Disclosure - Investments in subsidiary undertakings, joint ventures and associates - Issued capital of subsidiaries (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/InvestmentsinsubsidiaryundertakingsjointventuresandassociatesIssuedcapitalofsubsidiariesDetails</Role>
      <ShortName>Investments in subsidiary undertakings, joint ventures and associates - Issued capital of subsidiaries (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>9955622 - Disclosure - Condensed financial information of registrant Prudential plc - Profit and Loss Accounts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CondensedfinancialinformationofregistrantPrudentialplcProfitandLossAccountsDetails</Role>
      <ShortName>Condensed financial information of registrant Prudential plc - Profit and Loss Accounts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>146</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>9955623 - Disclosure - Condensed financial information of registrant Prudential plc - Statements of Financial Position (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CondensedfinancialinformationofregistrantPrudentialplcStatementsofFinancialPositionDetails</Role>
      <ShortName>Condensed financial information of registrant Prudential plc - Statements of Financial Position (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>147</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>9955624 - Disclosure - Condensed financial information of registrant Prudential plc - Statements of Changes in Equity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CondensedfinancialinformationofregistrantPrudentialplcStatementsofChangesinEquityDetails</Role>
      <ShortName>Condensed financial information of registrant Prudential plc - Statements of Changes in Equity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>9955625 - Disclosure - Condensed financial information of registrant Prudential plc - Statements of Cash Flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialplc.com/role/CondensedfinancialinformationofregistrantPrudentialplcStatementsofCashFlowsDetails</Role>
      <ShortName>Condensed financial information of registrant Prudential plc - Statements of Cash Flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>149</Position>
    </Report>
    <Report instance="puk-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R150.htm</HtmlFileName>
      <LongName>9955626 - Disclosure - Condensed financial information of registrant Prudential plc - Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.prudentialplc.com/role/CondensedfinancialinformationofregistrantPrudentialplcNotesDetails</Role>
      <ShortName>Condensed financial information of registrant Prudential plc - Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>150</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="20-F" isDefinitelyFs="true" isIfrs="true" isUsgaap="true" original="puk-20251231.htm">puk-20251231.htm</File>
    <File>puk-20251231.xsd</File>
    <File>puk-20251231_cal.xml</File>
    <File>puk-20251231_def.xml</File>
    <File>puk-20251231_lab.xml</File>
    <File>puk-20251231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>puk-20251231_g1.jpg</File>
    <File>puk-20251231_g10.gif</File>
    <File>puk-20251231_g11.jpg</File>
    <File>puk-20251231_g12.jpg</File>
    <File>puk-20251231_g13.gif</File>
    <File>puk-20251231_g14.jpg</File>
    <File>puk-20251231_g15.jpg</File>
    <File>puk-20251231_g16.gif</File>
    <File>puk-20251231_g17.gif</File>
    <File>puk-20251231_g18.gif</File>
    <File>puk-20251231_g19.gif</File>
    <File>puk-20251231_g2.jpg</File>
    <File>puk-20251231_g20.gif</File>
    <File>puk-20251231_g21.gif</File>
    <File>puk-20251231_g22.gif</File>
    <File>puk-20251231_g23.gif</File>
    <File>puk-20251231_g24.gif</File>
    <File>puk-20251231_g25.gif</File>
    <File>puk-20251231_g26.gif</File>
    <File>puk-20251231_g27.jpg</File>
    <File>puk-20251231_g28.jpg</File>
    <File>puk-20251231_g29.gif</File>
    <File>puk-20251231_g3.jpg</File>
    <File>puk-20251231_g30.jpg</File>
    <File>puk-20251231_g31.jpg</File>
    <File>puk-20251231_g32.jpg</File>
    <File>puk-20251231_g33.jpg</File>
    <File>puk-20251231_g34.jpg</File>
    <File>puk-20251231_g35.gif</File>
    <File>puk-20251231_g36.gif</File>
    <File>puk-20251231_g37.gif</File>
    <File>puk-20251231_g38.gif</File>
    <File>puk-20251231_g39.gif</File>
    <File>puk-20251231_g4.gif</File>
    <File>puk-20251231_g40.gif</File>
    <File>puk-20251231_g41.gif</File>
    <File>puk-20251231_g42.jpg</File>
    <File>puk-20251231_g43.jpg</File>
    <File>puk-20251231_g44.jpg</File>
    <File>puk-20251231_g45.jpg</File>
    <File>puk-20251231_g46.gif</File>
    <File>puk-20251231_g47.gif</File>
    <File>puk-20251231_g48.gif</File>
    <File>puk-20251231_g49.gif</File>
    <File>puk-20251231_g5.jpg</File>
    <File>puk-20251231_g50.gif</File>
    <File>puk-20251231_g6.jpg</File>
    <File>puk-20251231_g7.gif</File>
    <File>puk-20251231_g8.gif</File>
    <File>puk-20251231_g9.gif</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="6">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="16">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="51">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="1">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
    <BaseTaxonomy items="4442">https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
