<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>150</ContextCount>
  <ElementCount>184</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>125</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000000 - Document - Document and Entity Information {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentDocumentandEntityInformationElements</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory></MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000021 - Document - Risk/Return Summary {Unlabeled} - PGIM JENNISON DIVERSIFIED GROWTH FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPGIMJENNISONDIVERSIFIEDGROWTHFUND</Role>
      <ShortName>Risk/Return Summary- PGIM JENNISON DIVERSIFIED GROWTH FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000022 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000022</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000023 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000023</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000024 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000024</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>000025 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000025</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>000026 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000026</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>000027 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000027</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000029 - Disclosure - Risk/Return Detail Data {Elements} - PGIM JENNISON DIVERSIFIED GROWTH FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPGIMJENNISONDIVERSIFIEDGROWTHFUND</Role>
      <ShortName>Risk/Return Detail Data- PGIM JENNISON DIVERSIFIED GROWTH FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000041 - Document - Risk/Return Summary {Unlabeled} - PGIM JENNISON RISING DIVIDEND FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPGIMJENNISONRISINGDIVIDENDFUND</Role>
      <ShortName>Risk/Return Summary- PGIM JENNISON RISING DIVIDEND FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>000042 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000042</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>000043 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000043</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>000044 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000044</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>000045 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000045</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>000046 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000046</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>000047 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000047</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000049 - Disclosure - Risk/Return Detail Data {Elements} - PGIM JENNISON RISING DIVIDEND FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPGIMJENNISONRISINGDIVIDENDFUND</Role>
      <ShortName>Risk/Return Detail Data- PGIM JENNISON RISING DIVIDEND FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>000061 - Document - Risk/Return Summary {Unlabeled} - PGIM 60/40 Allocation Fund</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPGIM6040AllocationFund</Role>
      <ShortName>Risk/Return Summary- PGIM 60/40 Allocation Fund</ShortName>
      <MenuCategory></MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>000062 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000062</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>000063 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000063</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>000064 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000064</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>000065 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000065</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>000066 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000066</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>000067 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000067</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>000069 - Disclosure - Risk/Return Detail Data {Elements} - PGIM 60/40 Allocation Fund</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPGIM6040AllocationFund</Role>
      <ShortName>Risk/Return Detail Data- PGIM 60/40 Allocation Fund</ShortName>
      <MenuCategory></MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>000081 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE INCOME FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONEINCOMEFUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE INCOME FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>000082 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000082</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>000083 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000083</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>000084 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000084</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>000085 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000085</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>000086 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000086</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>000087 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000087</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>000089 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE INCOME FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONEINCOMEFUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE INCOME FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>000101 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2015 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2015FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2015 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>000102 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000102</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>000103 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000103</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>000104 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000104</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>000105 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000105</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>000106 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000106</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>000107 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000107</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>000109 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2015 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2015FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2015 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>000121 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2020 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2020FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2020 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>000122 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000122</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>000123 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000123</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>000124 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000124</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>000125 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000125</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>000126 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000126</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>000127 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000127</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>000129 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2020 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2020FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2020 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>000141 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2025 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2025FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2025 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>000142 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000142</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>000143 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000143</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>000144 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000144</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>000145 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000145</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>000146 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000146</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>000147 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000147</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>000149 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2025 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2025FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2025 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>000161 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2030 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2030FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2030 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>000162 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000162</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>000163 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000163</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>000164 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000164</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>000165 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000165</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>000166 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000166</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>000167 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000167</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>000169 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2030 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2030FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2030 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>000181 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2035 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2035FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2035 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>000182 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000182</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>000183 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000183</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>000184 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000184</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>000185 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000185</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>000186 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000186</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>000187 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000187</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>000189 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2035 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2035FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2035 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>000201 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2040 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2040FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2040 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>000202 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000202</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>000203 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000203</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>000204 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000204</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>000205 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000205</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>000206 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000206</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>000207 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000207</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>000209 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2040 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2040FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2040 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>000221 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2045 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2045FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2045 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>000222 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000222</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>000223 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000223</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>000224 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000224</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>000225 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000225</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>000226 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000226</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>000227 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000227</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>000229 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2045 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2045FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2045 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>000241 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2050 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2050FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2050 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>000242 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000242</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>000243 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000243</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>000244 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000244</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>000245 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000245</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>000246 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000246</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>000247 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000247</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>000249 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2050 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2050FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2050 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>000261 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2055 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2055FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2055 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>000262 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000262</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>000263 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000263</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>000264 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000264</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>000265 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000265</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>000266 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000266</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>000267 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000267</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>000269 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2055 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2055FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2055 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>000281 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2060 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2060FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2060 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>000282 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000282</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>000283 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000283</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>000284 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000284</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>000285 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000285</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>000286 - Schedule - Annual Total Returns [BarChart]</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsBarChart000286</Role>
      <ShortName>Annual Total Returns [BarChart]</ShortName>
      <MenuCategory></MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>000287 - Schedule - Average Annual Total Returns</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturns000287</Role>
      <ShortName>Average Annual Total Returns</ShortName>
      <MenuCategory></MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>000289 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2060 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2060FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2060 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>000301 - Document - Risk/Return Summary {Unlabeled} - PRUDENTIAL DAY ONE 2065 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DocumentRiskReturnSummaryUnlabeledPRUDENTIALDAYONE2065FUND</Role>
      <ShortName>Risk/Return Summary- PRUDENTIAL DAY ONE 2065 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>000302 - Schedule - Shareholder Fees</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleShareholderFees000302</Role>
      <ShortName>Shareholder Fees</ShortName>
      <MenuCategory></MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>000303 - Schedule - Annual Fund Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpenses000303</Role>
      <ShortName>Annual Fund Operating Expenses</ShortName>
      <MenuCategory></MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>000304 - Schedule - Expense Example</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExample000304</Role>
      <ShortName>Expense Example</ShortName>
      <MenuCategory></MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>000305 - Schedule - Expense Example, No Redemption</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemption000305</Role>
      <ShortName>Expense Example, No Redemption</ShortName>
      <MenuCategory></MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="pip5-20200929.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>000309 - Disclosure - Risk/Return Detail Data {Elements} - PRUDENTIAL DAY ONE 2065 FUND</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.prudentialfunds.com/role/DisclosureRiskReturnDetailDataElementsPRUDENTIALDAYONE2065FUND</Role>
      <ShortName>Risk/Return Detail Data- PRUDENTIAL DAY ONE 2065 FUND</ShortName>
      <MenuCategory></MenuCategory>
      <Position>119</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="485BPOS" original="pip5-20200929.htm">pip5-20200929.htm</File>
    <File>pip5-20200929.xsd</File>
    <File>pip5-20200929_cal.xml</File>
    <File>pip5-20200929_def.xml</File>
    <File>pip5-20200929_lab.xml</File>
    <File>pip5-20200929_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>facade_2018.jpg</File>
    <File>fourpointrule.jpg</File>
    <File>front_sai.jpg</File>
    <File>glidepath2065.jpg</File>
    <File>mf220a.jpg</File>
    <File>mf236a.jpg</File>
    <File>mf236c.jpg</File>
    <File>mf236d.jpg</File>
    <File>mf236e.jpg</File>
    <File>mf236f.jpg</File>
    <File>mf236g.jpg</File>
    <File>mf236h.jpg</File>
    <File>mf236i.jpg</File>
    <File>mf236j.jpg</File>
    <File>mf236k.jpg</File>
    <File>mf236l.jpg</File>
    <File>mf236m.jpg</File>
    <File>mf503a.jpg</File>
    <File>pgim_pro.jpg</File>
    <File>pgim_sai.jpg</File>
    <File>receiptsfromsale.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/rr/2018-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2020-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
