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  <rr:RiskReturnHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">FUND SUMMARY</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;INVESTMENT OBJECTIVE&lt;/b&gt;</rr:ObjectiveHeading>
  <rr:ObjectivePrimaryTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The investment objective of the Fund is &lt;b&gt;to seek positive returns over the long term, regardless of market conditions.&lt;/b&gt;</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;FUND FEES AND EXPENSES&lt;/b&gt;</rr:ExpenseHeading>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The tables below describe the sales charges, fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and an eligible group of investors purchase, or agree to purchase in the future, $50,000 or more in shares of the Fund or other funds in the Prudential Investments family of funds. More information about these discounts is available from your financial professional and is explained in Reducing or Waiving Class A's Initial Sales Charge on page 28 of the Fund's Prospectus and in the Fund's Statement of Additional Information (SAI), in Rights of Accumulation on page 57.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseBreakpointDiscounts contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">You may qualify for sales charge discounts if you and an eligible group of investors purchase, or agree to purchase in the future, $50,000 or more in shares of the Fund or other funds in the Prudential Investments family of funds.</rr:ExpenseBreakpointDiscounts>
  <rr:ExpenseBreakpointMinimumInvestmentRequiredAmount decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_Member" unitRef="USD">50000</rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
  <rr:ShareholderFeesCaption contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Shareholder Fees (fees paid directly from your investment)&lt;/b&gt;</rr:ShareholderFeesCaption>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.045</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.01</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.01</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">0</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">0</rr:MaximumAccountFee>
  <rr:OperatingExpensesCaption contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)&lt;/b&gt;</rr:OperatingExpensesCaption>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.008</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.008</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0.008</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0.008</rr:ManagementFeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.003</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.01</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0</rr:DistributionAndService12b1FeesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_2" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0044</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_3" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.0059</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_4" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0.0074</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets id="Item_5" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0.007</rr:OtherExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0154</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.0239</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0.0154</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0.015</rr:ExpensesOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_6" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">-0.0039</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_7" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">-0.0049</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_8" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">-0.0064</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_9" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">-0.006</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:NetExpensesOverAssets id="Item_10" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0115</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item_11" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.019</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item_12" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0.009</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets id="Item_13" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0.009</rr:NetExpensesOverAssets>
  <rr:RiskReturnHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">FUND SUMMARY</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;INVESTMENT OBJECTIVE&lt;/b&gt;</rr:ObjectiveHeading>
  <rr:ObjectivePrimaryTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The investment objective of the Fund is&lt;b&gt; to seek capital appreciation and income&lt;/b&gt;.</rr:ObjectivePrimaryTextBlock>
  <rr:ExpenseHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;FUND FEES AND EXPENSES &lt;/b&gt;</rr:ExpenseHeading>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The tables below describe the sales charges, fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and an eligible group of investors purchase, or agree to purchase in the future, $25,000 or more in shares of the Fund or other funds in the Prudential Investments family of funds. More information about these discounts is available from your financial professional and is explained in Reducing or Waiving Class A's Initial Sales Charge on page 28 of the Fund's Prospectus and in the Fund's Statement of Additional Information (SAI), in Rights of Accumulation on page 57.</rr:ExpenseNarrativeTextBlock>
  <rr:ShareholderFeesCaption contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Shareholder Fees (fees paid directly from your investment)&lt;/b&gt;</rr:ShareholderFeesCaption>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.055</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.01</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.05</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.01</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.01</rr:ManagementFeesOverAssets>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.01</rr:ManagementFeesOverAssets>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.01</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0.01</rr:ManagementFeesOverAssets>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.003</rr:DistributionAndService12b1FeesOverAssets>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.01</rr:DistributionAndService12b1FeesOverAssets>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.01</rr:DistributionAndService12b1FeesOverAssets>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0</rr:DistributionAndService12b1FeesOverAssets>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.0165</rr:OtherExpensesOverAssets>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.0165</rr:OtherExpensesOverAssets>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0.0165</rr:OtherExpensesOverAssets>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <dei:DocumentType contextRef="Duration_16Feb2012_15Feb2013">485BPOS</dei:DocumentType>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.0295</rr:ExpensesOverAssets>
  <dei:DocumentPeriodEndDate contextRef="Duration_16Feb2012_15Feb2013">2012-10-31</dei:DocumentPeriodEndDate>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <dei:EntityRegistrantName contextRef="Duration_16Feb2012_15Feb2013">PRUDENTIAL INVESTMENT PORTFOLIOS 9</dei:EntityRegistrantName>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <dei:EntityCentralIndexKey contextRef="Duration_16Feb2012_15Feb2013">0001070287</dei:EntityCentralIndexKey>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.0365</rr:ExpensesOverAssets>
  <dei:AmendmentFlag contextRef="Duration_16Feb2012_15Feb2013">false</dei:AmendmentFlag>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">0</rr:MaximumAccountFee>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.0365</rr:ExpensesOverAssets>
  <dei:DocumentCreationDate contextRef="Duration_16Feb2012_15Feb2013">2013-02-15</dei:DocumentCreationDate>
  <dei:DocumentEffectiveDate contextRef="Duration_16Feb2012_15Feb2013">2013-02-15</dei:DocumentEffectiveDate>
  <rr:ProspectusDate contextRef="Duration_16Feb2012_15Feb2013">2013-02-15</rr:ProspectusDate>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0.0265</rr:ExpensesOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_14" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">-0.0135</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_15" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">-0.013</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_16" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">-0.013</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets id="Item_17" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">-0.013</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.016</rr:NetExpensesOverAssets>
  <rr:RiskReturnHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">FUND SUMMARY</rr:RiskReturnHeading>
  <rr:ObjectiveHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;INVESTMENT OBJECTIVE&lt;/b&gt;</rr:ObjectiveHeading>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.0235</rr:NetExpensesOverAssets>
  <rr:ObjectivePrimaryTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">The investment objective of the Fund is &lt;b&gt;long-term after-tax growth of capital.&lt;/b&gt;</rr:ObjectivePrimaryTextBlock>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.0235</rr:NetExpensesOverAssets>
  <rr:ExpenseHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;FUND FEES AND EXPENSES&lt;/b&gt;</rr:ExpenseHeading>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0.0135</rr:NetExpensesOverAssets>
  <rr:ExpenseNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">The tables below describe the sales charges, fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts if you and an eligible group of investors purchase, or agree to purchase in the future, $25,000 or more in shares of the Fund or other funds in the Prudential Investments family of funds. More information about these discounts is available from your financial professional and is explained in Reducing or Waiving Class A's Initial Sales Charge on page 23 of the Fund's Prospectus and in the Fund's Statement of Additional Information (SAI), in Rights of Accumulation on page 57.</rr:ExpenseNarrativeTextBlock>
  <rr:ExpenseBreakpointDiscounts contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">You may qualify for sales charge discounts if you and an eligible group of investors purchase, or agree to purchase in the future, $25,000 or more in shares of the Fund or other funds in the Prudential Investments family of funds.</rr:ExpenseBreakpointDiscounts>
  <rr:ExpenseBreakpointMinimumInvestmentRequiredAmount decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_Member" unitRef="USD">25000</rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
  <rr:ShareholderFeesCaption contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Shareholder Fees (fees paid directly from your investment) &lt;/b&gt;</rr:ShareholderFeesCaption>
  <rr:OperatingExpensesCaption contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Annual Fund Operating Expenses % (expenses that you pay each year as a percentage of the value of your investment)&lt;/b&gt;</rr:OperatingExpensesCaption>
  <rr:ExpenseExampleHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Example.&lt;/b&gt;</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The following hypothetical example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. It assumes that you invest $10,000 in the Fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year, that the Fund's operating expenses remain the same and that all dividends and distributions are reinvested. Your actual costs may be higher or lower.</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleByYearCaption contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;If Shares Are Redeemed&lt;/b&gt;</rr:ExpenseExampleByYearCaption>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.055</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:ExpenseExampleNoRedemptionByYearCaption contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;If Shares Are Not Redeemed&lt;/b&gt;</rr:ExpenseExampleNoRedemptionByYearCaption>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0</rr:MaximumSalesChargeImposedOnPurchasesOverOfferingPrice>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.01</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.05</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.01</rr:MaximumDeferredSalesChargeOverOther>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.06</rr:MaximumDeferredSalesChargeOverOther>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">704</rr:ExpenseExampleYear01>
  <rr:MaximumDeferredSalesChargeOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0</rr:MaximumDeferredSalesChargeOverOther>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">738</rr:ExpenseExampleYear01>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">338</rr:ExpenseExampleYear01>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0</rr:MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">137</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">1292</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">1298</rr:ExpenseExampleYear03>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">998</rr:ExpenseExampleYear03>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">700</rr:ExpenseExampleYear03>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:RedemptionFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0</rr:RedemptionFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">1905</rr:ExpenseExampleYear05>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">3550</rr:ExpenseExampleYear10>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExchangeFeeOverRedemption decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0</rr:ExchangeFeeOverRedemption>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">1878</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">3594</rr:ExpenseExampleYear10>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">15</rr:MaximumAccountFee>
  <rr:MaximumAccountFee decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">0</rr:MaximumAccountFee>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">704</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">1778</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">238</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">3822</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">238</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">1289</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">2887</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">137</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">1292</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">998</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">998</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">700</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">1905</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">1778</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">1778</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">1289</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="USD">3550</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="USD">3594</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="USD">3822</rr:ExpenseExampleNoRedemptionYear10>
  <rr:OperatingExpensesCaption contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)&lt;/b&gt;</rr:OperatingExpensesCaption>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">February 28, 2014</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="USD">2887</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Example.&lt;/b&gt;</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleByYearCaption contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;If Shares Are Redeemed&lt;/b&gt;</rr:ExpenseExampleByYearCaption>
  <rr:ExpenseExampleNoRedemptionByYearCaption contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;If Shares Are Not Redeemed&lt;/b&gt;</rr:ExpenseExampleNoRedemptionByYearCaption>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.0065</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.0065</rr:ManagementFeesOverAssets>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.0065</rr:ManagementFeesOverAssets>
  <rr:PortfolioTurnoverHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Portfolio Turnover.&lt;/b&gt;</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the Fund's most recent fiscal year, the Fund's portfolio turnover rate was 21% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">562</rr:ExpenseExampleYear01>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.0065</rr:ManagementFeesOverAssets>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">293</rr:ExpenseExampleYear01>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.003</rr:DistributionAndService12b1FeesOverAssets>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">92</rr:ExpenseExampleYear01>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.01</rr:DistributionAndService12b1FeesOverAssets>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.01</rr:DistributionAndService12b1FeesOverAssets>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">92</rr:ExpenseExampleYear01>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.01</rr:DistributionAndService12b1FeesOverAssets>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">878</rr:ExpenseExampleYear03>
  <rr:DistributionAndService12b1FeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0</rr:DistributionAndService12b1FeesOverAssets>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">699</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">424</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">415</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">1216</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">1231</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">779</rr:ExpenseExampleYear05>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.0045</rr:OtherExpensesOverAssets>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">762</rr:ExpenseExampleYear05>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.0045</rr:OtherExpensesOverAssets>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.0045</rr:OtherExpensesOverAssets>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">2170</rr:ExpenseExampleYear10>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.0045</rr:OtherExpensesOverAssets>
  <rr:StrategyHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;INVESTMENTS, RISKS AND PERFORMANCE&lt;/br&gt;&lt;/br&gt;Principal Investment Strategies.&lt;/b&gt;</rr:StrategyHeading>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">2689</rr:ExpenseExampleYear10>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.0045</rr:OtherExpensesOverAssets>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">1780</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">1739</rr:ExpenseExampleYear10>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.014</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.021</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.021</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.021</rr:ExpensesOverAssets>
  <rr:ExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.011</rr:ExpensesOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">-0.002</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">-0.0015</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">-0.0015</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">-0.0015</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:FeeWaiverOrReimbursementOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">-0.0015</rr:FeeWaiverOrReimbursementOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.012</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.0195</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.0195</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.0195</rr:NetExpensesOverAssets>
  <rr:NetExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.0095</rr:NetExpensesOverAssets>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">562</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">193</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">92</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">92</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">878</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">699</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">424</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">415</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">1216</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">1231</rr:ExpenseExampleNoRedemptionYear05>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The Fund seeks to achieve its investment objective by investing in investments whose price will increase over time and which will pay the Fund dividends and other income, such as capital gains. The Fund normally invests at least 80% of its investable assets in equity-related securities of real estate companies, principally real estate investment trusts (REITs) and other real estate securities. Equity-related securities may include common stock, convertible securities, nonconvertible preferred stock, American Depositary Receipts (ADRs), warrants and other rights that can be exercised to obtain stock. REITs are pooled investment vehicles which invest primarily in income-producing real estate or loans related to real estate. The Fund invests primarily in non-U.S. issuers located in various countries outside the U.S., including non-U.S. issuers located in emerging markets, and expects to diversify broadly among developed and emerging countries throughout the world. The Fund may invest up to 20% of its investable assets in other securities, including fixed-income securities of real estate companies and equity and fixed-income securities of issuers that are not real estate companies. The Fund is nondiversified, meaning it may invest more than 5% of its assets in any one issuer. The Fund concentrates its investments (i.e., invests at least 25% of its assets) in the real estate sector.&lt;br/&gt;&lt;br/&gt;While we make every effort to achieve the Fund's objective, we can't guarantee success.&lt;br/&gt;&lt;br/&gt;The Fund will provide 60 days' prior written notice to shareholders of a change in its non-fundamental policy of investing at least 80% of its investable assets in the equity-related securities of real estate companies.&lt;br/&gt;&lt;br/&gt;The assets of the Fund are managed by PREI&lt;sup&gt;&amp;#174;&lt;/sup&gt;, otherwise known as Prudential Real Estate Investors, which is a business unit of Prudential Investment Management, Inc. and serves as the Fund's subadviser. The subadviser's approach to real estate investing is value-oriented based upon real estate fundamentals and assessments of management teams. The subadviser emphasizes both quantitative and qualitative investment analysis, and focuses on valuation relative to a company's underlying real estate assets as well as a company's on-going concern valuation. Through detailed company research that includes regular management visits, property tours and financial analysis, the subadviser analyzes the quality of real estate asset cash flows and sustainability and growth of company dividends. The subadviser also evaluates the company's strategy, management's track record, incentives and ability to create long term shareholder value. Only about 5% of institutional quality commercial real estate is publicly traded, and the subadviser believes public real estate securities managers need a firm understanding of the other 95%&amp;#8212;the private real estate markets, to successfully add value.&lt;br/&gt;&lt;br/&gt;Decisions to sell portfolio securities are based on relative analysis which entails examination of a variety of factors. The decision to sell a security is based on the subadviser's assessment of relative risk adjusted return for the security.</rr:StrategyNarrativeTextBlock>
  <rr:ExpenseExampleHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Example.&lt;/b&gt;</rr:ExpenseExampleHeading>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">762</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="USD">2170</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">The following hypothetical example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. It assumes that you invest $10,000 in the Fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year, that the Fund's operating expenses remain the same and that all dividends and distributions are reinvested. Your actual costs may be higher or lower.</rr:ExpenseExampleNarrativeTextBlock>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="USD">2689</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">1780</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleByYearCaption contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;If Shares Are Redeemed &lt;/b&gt;</rr:ExpenseExampleByYearCaption>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="USD">1739</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionByYearCaption contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;If Shares Are Not Redeemed&lt;/b&gt;</rr:ExpenseExampleNoRedemptionByYearCaption>
  <rr:RiskHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Principal Risks of Investing in the Fund.&lt;/b&gt;</rr:RiskHeading>
  <rr:RiskNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">All investments have risks to some degree. Please remember that an investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency; and is subject to investment risks, including possible loss of your original investment.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Recent Market Events.&lt;/b&gt; The financial crisis that began in 2008 has caused a significant decline in the value and liquidity of many securities. In response to the crisis, the U.S. and other governments and U.S. and foreign central banks have taken steps to support financial markets. The withdrawal of this support, failure of efforts in response to the crisis, or investor perception that such efforts are not succeeding could negatively affect financial markets generally as well as the value and liquidity of certain securities. In addition, policy and legislative changes in the United States and other countries are changing many aspects of financial regulation. The impact of these changes on the markets, and the practical implications for market participants, may not be fully known for some time.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Risk of Increase in Expenses.&lt;/b&gt; Your actual cost of investing in the Fund may be higher than the expenses shown in the expense table for a variety of reasons. For example, expense ratios may be higher than those shown if average net assets decrease. Net assets are more likely to decrease and Fund expense ratios are more likely to increase when markets are volatile.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Real Estate Risk.&lt;/b&gt; An investment in the Fund will be closely linked to the performance of the real estate markets. The value of real estate securities in general, and REITs in particular, is subject to the same risks as direct investments in real estate and mortgages, and their value will depend on the value of the underlying properties or the underlying loans or interests. The underlying loans may be subject to the risks of default or of prepayments that occur earlier or later than expected, and such loans may also include so-called &amp;#8220;subprime&amp;#8221; mortgages. The value of these securities will rise and fall in response to many factors, including economic conditions, the demand for rental property, interest rates and, with respect to REITs, the management skill and creditworthiness of the issuer. In particular, the value of these securities may decline when interest rates rise and will also be affected by the real estate market and by the management of the underlying properties. REITs may be more volatile and/or more illiquid than other types of equity securities. The Fund will indirectly bear a portion of the expenses, including management fees, paid by each REIT in which it invests, in addition to the expenses of the Fund.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Real Estate Investment Trust (REIT) Risk.&lt;/b&gt; An investment in a REIT may be subject to risks similar to those associated with direct ownership of real estate, including losses from casualty or condemnation, and changes in local and general economic conditions, supply and demand, interest rates, zoning laws, regulatory limitations on rents, property taxes and operating expenses. In addition, an investment in a REIT is subject to additional risks, such as poor performance by the manager of the REIT, adverse changes to the tax laws or failure by the REIT to qualify for tax-free pass-through of income under the Internal Revenue Code of 1986, as amended, and to the effect of general declines in stock prices. In addition, some REITs have limited diversification because they invest in a limited number of properties, a narrow geographic area, or a single type of property. Also, the organizational documents of a REIT may contain provisions that make changes in control of the REIT difficult and time-consuming. As a shareholder in a REIT, the Fund could bear its ratable share of the REIT&amp;#8217; s expenses and would at the same time continue to pay its own fees and expenses. The Fund&amp;#8217;s investments in REITs may subject the Fund to duplicate management and/or advisory fees.&lt;br/&gt;&lt;br/&gt;Although we try to invest wisely, all investments involve risk. Because it concentrates its investments in REITs and other equity-related securities of real estate companies, the Fund is subject to risks of the real estate industry, such as general and local economic conditions, the supply and demand for real estate and changes in zoning and tax laws. Real estate companies, including REITs, utilize leverage (and some may be highly leveraged), which increases investment risk. Since the Fund concentrates in the real estate industry, its holdings can vary significantly from broad market indexes. As a result, the Fund's performance can deviate from the performance of such indexes. Because we invest in stocks, there is the risk that the price of a particular stock we own could go down or pay lower-than-expected or no dividends. In addition to an individual stock losing value, the value of the equity markets or of companies comprising the real estate industry could go down. Stock markets are volatile.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Market Risk.&lt;/b&gt; The securities markets are volatile and the market prices of the Fund&amp;#8217;s securities may decline generally. Securities fluctuate in price based on changes in a company&amp;#8217;s financial condition and overall market and economic conditions. If the market prices of the securities owned by the Fund fall, the value of your investment in the Fund will decline.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Selection Risk.&lt;/b&gt; Selection risk is the risk that the securities selected by PREI will underperform the market, the relevant indices, or other funds with similar investment objectives and investment strategies. Individual REIT prices may drop because of the failure of borrowers to pay their loans, a dividend reduction, a disruption to the real estate investment sales market, changes in federal or state taxation policies affecting REITs, or poor management of a REIT.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Foreign Securities Risk.&lt;/b&gt; The Fund&amp;#8217;s investments in securities of foreign issuers or issuers with significant exposure to foreign markets involve additional risk. Foreign countries in which the Fund may invest may have markets that are less liquid, less regulated and more volatile than U.S. markets. The value of the Fund&amp;#8217;s investments may decline because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable government actions, and political or financial instability. Lack of information may also affect the value of these securities. We do not consider American Depositary Receipts (&amp;#8220;ADRs&amp;#8221;), American Depositary Shares (&amp;#8220;ADSs&amp;#8221;) and other similar receipts or shares traded in U.S. markets in which the Fund may invest to be foreign securities.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Emerging Markets Risk.&lt;/b&gt; The risks of non-U.S. investments are greater for investments in emerging markets. Emerging market countries typically have economic and political systems that are less fully developed, and can be expected to be less stable, than those of more developed countries. For example, the economies of such countries can be subject to rapid and unpredictable rates of inflation or deflation. Low trading volumes may result in a lack of liquidity and in price volatility. Emerging market countries may have policies that restrict investment by foreigners, or that prevent foreign investors from withdrawing their money at will.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Currency Risk.&lt;/b&gt; The Fund's net asset value could decline as a result of changes in the exchange rates between foreign currencies and the U.S. dollar. Certain foreign countries may impose restrictions on the ability of issuers of foreign securities to make payment of principal and interest or dividends to investors located outside the country, due to blockage of foreign currency exchanges or otherwise.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Liquidity Risk.&lt;/b&gt; The Fund may invest in instruments that trade in lower volumes and are less liquid than other investments. Liquidity risk exists when particular investments made by the Fund are difficult to purchase or sell. Liquidity risk also includes the risk that the Fund may make investments that may become less liquid in response to market developments or adverse investor perceptions. If the Fund is forced to sell these investments to pay redemption proceeds or for other reasons, the Fund may lose money. In addition, when there is no willing buyer and investments cannot be readily sold at the desired time or price, the Fund may have to accept a lower price or may not be able to sell the instrument at all. An inability to sell a portfolio position can adversely affect the Fund's value or prevent the Fund from being able to take advantage of other investment opportunities.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Nondiversification Risk.&lt;/b&gt; The Fund is nondiversified. This means that the Fund may invest a greater percentage of its assets in the securities of a single company or other issuer than a diversified fund. Investing in a nondiversified fund involves greater risk than investing in a diversified fund because a loss resulting from the decline in value of any one security may represent a greater portion of the total assets of a nondiversified fund.&lt;br/&gt;&lt;br/&gt;For more information on the risks of investing in this Fund, including the risks of foreign securities, please see How the Fund Invests&amp;#8212;Investment Risks in the Prospectus and Investment Risks and Considerations in the SAI.</rr:RiskNarrativeTextBlock>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;The Fund's Past Performance.&lt;/b&gt;</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The following bar chart shows the Fund's performance for the indicated share class for each full calendar year of operations or for the last 10 calendar years, whichever is shorter. The bar chart and Average Annual Total Returns table demonstrate the risk of investing in the Fund by showing how returns can change from year to year and by showing how the Fund's average annual total returns for the share class compare with a broad-based securities market index and a group of similar mutual funds.&lt;br/&gt;&lt;br/&gt;Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future. Updated Fund performance information is available online at www.prudentialfunds.com.</rr:PerformanceNarrativeTextBlock>
  <rr:PortfolioTurnoverHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Portfolio Turnover.&lt;/b&gt;</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the Fund's most recent fiscal year, the Fund's portfolio turnover rate was 152% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:ExpenseExampleFootnotesTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&amp;#176; The manager of the Fund has contractually agreed through February 28, 2014 to cap the Fund&amp;#8217;s annual operating expenses at .95% (exclusive of 12b-1 fees and certain other fees). This expense cap may not be terminated prior to February 28, 2014, and may be renewed, modified or terminated thereafter. The decision on whether to renew, modify or terminate the expense cap is subject to review by the manager and the Fund's Board of Trustees.&lt;br/&gt;&lt;br/&gt;&amp;#176; The distributor of the Fund has contractually agreed through February 28, 2014 to limit the Fund&amp;#8217;s Class A distribution and service (12b-1) fees to .25% of the Fund&amp;#8217;s Class A average daily net assets. This waiver may not be terminated prior to February 28, 2014. The decision on whether to renew, modify or terminate the waiver is subject to review by the distributor and the Fund&amp;#8217;s Board of Trustees.</rr:ExpenseExampleFootnotesTextBlock>
  <rr:PortfolioTurnoverRate decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_Member" unitRef="pure">1.52</rr:PortfolioTurnoverRate>
  <rr:StrategyHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;INVESTMENTS, RISKS AND PERFORMANCE&lt;br/&gt;&lt;br/&gt;Principal Investment Strategies.&lt;/b&gt;</rr:StrategyHeading>
  <rr:BarChartHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Annual Total Returns % (Class A Shares)&lt;sup&gt;1&lt;/sup&gt;&lt;/b&gt;</rr:BarChartHeading>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The Fund has a flexible investment strategy and will invest in a variety of securities and instruments. The Fund will also use a variety of investment techniques in pursuing its investment objective, which may include managing duration, credit quality, yield curve positioning and currency exposure, as well as sector and security selection.&lt;br/&gt;&lt;br/&gt;Under normal market conditions, the Fund will invest at least 80% of its investable assets (net assets plus borrowings for investment purposes, if any) in debt securities (generally referred to as &amp;#8220;bonds&amp;#8221;) and/or investments that provide exposure to bonds. Investments in bonds may include, but are not limited to:&lt;ul&gt;&lt;li type= "square"&gt;mortgage-related securities, including collateralized mortgage-backed obligations or commercial mortgage-backed securities;&lt;/li&gt;&lt;li type= "square"&gt;asset-backed securities, including collateralized debt obligations or collateralized loan obligations; &lt;/li&gt;&lt;li type= "square"&gt;floating rate loans; &lt;/li&gt;&lt;li type= "square"&gt;municipal securities; &lt;/li&gt;&lt;li type= "square"&gt;domestic and foreign corporate debt obligations;&lt;/li&gt;&lt;li type= "square"&gt;domestic and foreign government debt obligations, including U.S. Government securities; and&lt;/li&gt;&lt;li type= "square"&gt;other debt obligations&lt;/li&gt;&lt;/ul&gt;The Fund's investments in debt securities may include both fixed rate and floating rate securities.&lt;br/&gt;&lt;br/&gt;The Fund may invest up to 50% of its total assets in debt securities that are rated below investment grade (which are sometimes referred to as &amp;#8220;junk bonds&amp;#8221;) or, if unrated, of comparable quality at the time of purchase as determined by the Fund's investment subadviser, described below.&lt;br/&gt;&lt;br/&gt;While we make every effort to achieve the Fund's objective, we can't guarantee success.</rr:StrategyNarrativeTextBlock>
  <rr:RiskHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Principal Risks of Investing in the Fund.&lt;/b&gt;</rr:RiskHeading>
  <rr:AnnualReturn2011 id="Item_18" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">-0.1734</rr:AnnualReturn2011>
  <rr:AnnualReturn2012 id="Item_19" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.3759</rr:AnnualReturn2012>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">666</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">698</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">298</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">798</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">97</rr:ExpenseExampleYear01>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">950</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">943</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">643</rr:ExpenseExampleYear03>
  <rr:PerformanceTableHeading contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Average Annual Total Returns % (including sales charges) (as of 12-31-12) &lt;/b&gt;</rr:PerformanceTableHeading>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">1043</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">335</rr:ExpenseExampleYear03>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">1256</rr:ExpenseExampleYear05>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">February 28, 2014</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">1215</rr:ExpenseExampleYear05>
  <rr:PortfolioTurnoverRate decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_Member" unitRef="pure">0.21</rr:PortfolioTurnoverRate>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">1115</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">1415</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">592</rr:ExpenseExampleYear05>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">2121</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">2157</rr:ExpenseExampleYear10>
  <rr:ExpenseBreakpointDiscounts contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">You may qualify for sales charge discounts if you and an eligible group of investors purchase, or agree to purchase in the future, $25,000 or more in shares of the Fund or other funds in the Prudential Investments family of funds.</rr:ExpenseBreakpointDiscounts>
  <rr:ExpenseBreakpointMinimumInvestmentRequiredAmount decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000030622_Member" unitRef="USD">25000</rr:ExpenseBreakpointMinimumInvestmentRequiredAmount>
  <rr:RiskLoseMoney contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">and is subject to investment risks, including possible loss of your original investment.</rr:RiskLoseMoney>
  <rr:RiskNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">All investments have risks to some degree. Please remember that an investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency; and is subject to investment risks, including possible loss of your original investment.&lt;br/&gt;&lt;br/&gt;&lt;b&gt;Recent Market Events.&lt;/b&gt; The financial crisis that began in 2008 has caused a significant decline in the value and liquidity of many securities. In response to the crisis, the U.S. and other governments and U.S. and foreign central banks have taken steps to support financial markets. The withdrawal of this support, failure of efforts in response to the crisis, or investor perception that such efforts are not succeeding could negatively affect financial markets generally as well as the value and liquidity of certain securities. In addition, policy and legislative changes in the United States and other countries are changing many aspects of financial regulation. The impact of these changes on the markets, and the practical implications for market participants, may not be fully known for some time. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Risk of Increase in Expenses.&lt;/b&gt; Your actual cost of investing in the Fund may be higher than the expenses shown in the expense table for a variety of reasons. For example, expense ratios may be higher than those shown if average net assets decrease. Net assets are more likely to decrease and Fund expense ratios are more likely to increase when markets are volatile. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Management Risk.&lt;/b&gt; The value of your investment may decrease if judgments by the subadviser about the attractiveness, value or market trends affecting a particular security, industry or sector or about market movements are incorrect. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Fixed Income Obligations Risk.&lt;/b&gt; As with credit risk, market risk and interest rate risk, the Fund's holdings, share price, yield and total return may fluctuate in response to bond market movements. The value of bonds may decline for issuer-related reasons, including management performance, financial leverage and reduced demand for the issuer&amp;#8217;s goods and services. Certain types of fixed income obligations also may be subject to call and redemption risk, which is the risk that the issuer may call a bond held by the Fund for redemption before it matures and the Fund may lose income. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Mortgage-Backed and Asset-Backed Securities Risk.&lt;/b&gt; Mortgage-backed and asset-backed investments tend to increase in value less than other debt securities when interest rates decline, but are subject to similar risk of decline in market value during periods of rising interest rates. The values of mortgage-backed and asset-backed securities become more volatile as interest rates rise. In a period of declining interest rates, the Fund may be required to reinvest more frequent prepayments on mortgage-backed and asset-backed investments in lower-yielding investments. In addition to interest rate risk, investments in mortgage-backed securities composed of subprime mortgages may be subject to a higher degree of credit risk, valuation risk and liquidity risk. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Risks of Investments in Loans.&lt;/b&gt; The Fund's ability to receive payments of principal and interest and other amounts in connection with loans (whether through participations, assignment or otherwise) will depend primarily on the financial condition of the borrower. The failure by the Fund to receive scheduled interest or principal payments on a loan because of a default, bankruptcy or any other reason would adversely affect the income of the Fund and would likely reduce the value of its assets. Even with loans secured by collateral, there is the risk that the value of the collateral may decline, may be insufficient to meet the obligations of the borrower, or be difficult to liquidate. In the event of a default, the Fund may have difficulty collecting on any collateral and would not have the ability to collect on any collateral for an uncollateralized loan. Further, the Fund's access to collateral, if any, may be limited by bankruptcy laws. Due to the nature of the private syndication of senior loans, including, for example, lack of publicly-available information, some senior loans are not as easily purchased or sold as publicly-traded securities. In addition, loan participations and assignments generally are subject to restrictions on transfer, and only limited opportunities may exist to sell loan participations in secondary markets. As a result, it may be difficult for the Fund to value floating rate loans, or sell floating rate loans at an acceptable price when it wants to sell them. Because a significant percent of loans and loan participations are not generally rated by independent credit rating agencies, a decision by the Fund to invest in a particular loan or loan participation could depend exclusively on the investment subadviser's credit analysis of the borrower, and in the case of a loan participation, of the intermediary holding the portion of the loan that the Fund has purchased. To the extent the Fund invests in loans of non-U.S. issuers, the risks of investing in non-U.S. issuers are applicable. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Junk Bonds Risk.&lt;/b&gt; High-yield, high-risk bonds have predominantly speculative characteristics, including particularly high credit risk. Junk bonds tend to be less liquid than higher-rated securities. The liquidity of particular issuers or industries within a particular investment category may shrink or disappear suddenly and without warning. The non-investment grade bond market can experience sudden and sharp price swings and become illiquid due to a variety of factors, including changes in economic forecasts, stock market activity, large sustained sales by major investors, a high profile default or a change in the market's psychology. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Credit Risk.&lt;/b&gt; This is the risk that the issuer, the guarantor or the insurer of a fixed-income security, or the counterparty to a contract, may be unable or unwilling to make timely principal and interest payments or to otherwise honor its obligations. Additionally, the securities could lose value due to a loss of confidence in the ability of the issuer, guarantor, insurer or counterparty to pay back debt. The longer the maturity and the lower the credit quality of a bond, the more sensitive it is to credit risk. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Market Risk.&lt;/b&gt; The securities markets are volatile and the market prices of the Fund&amp;#8217;s securities may decline generally. Securities fluctuate in price based on changes in a company&amp;#8217;s financial condition and overall market and economic conditions. If the market prices of the securities owned by the Fund fall, the value of your investment in the Fund will decline. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Interest Rate Risk.&lt;/b&gt; The value of your investment may go down when interest rates rise. A rise in rates tends to have a greater impact on the prices of longer term or duration securities. When interest rates fall, the issuers of debt obligations may prepay principal more quickly than expected, and the Fund may be required to reinvest the proceeds at a lower interest rate. This is referred to as &amp;#8220;prepayment risk.&amp;#8221; When interest rates rise, debt obligations may be repaid more slowly than expected, and the value of the Fund's holdings may fall sharply. This is referred to as &amp;#8220;extension risk.&amp;#8221; &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Foreign Securities Risk.&lt;/b&gt; The Fund&amp;#8217;s investments in securities of foreign issuers or issuers with significant exposure to foreign markets involve additional risk. Foreign countries in which the Fund may invest may have markets that are less liquid, less regulated and more volatile than U.S. markets. The value of the Fund&amp;#8217;s investments may decline because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable government actions, and political or financial instability. Lack of information may also affect the value of these securities. We do not consider American Depositary Receipts (&amp;#8220;ADRs&amp;#8221;), American Depositary Shares (&amp;#8220;ADSs&amp;#8221;) and other similar receipts or shares traded in U.S. markets in which the Fund may invest to be foreign securities. &lt;br/&gt;&lt;br/&gt;&lt;b&gt;Liquidity Risk. &lt;/b&gt; The Fund may invest in instruments that trade in lower volumes and are less liquid than other investments. Liquidity risk exists when particular investments made by the Fund are difficult to purchase or sell. Liquidity risk also includes the risk that the Fund may make investments that may become less liquid in response to market developments or adverse investor perceptions. If the Fund is forced to sell these investments to pay redemption proceeds or for other reasons, the Fund may lose money. In addition, when there is no willing buyer and investments cannot be readily sold at the desired time or price, the Fund may have to accept a lower price or may not be able to sell the instrument at all. An inability to sell a portfolio position can adversely affect the Fund's value or prevent the Fund from being able to take advantage of other investment opportunities. &lt;br/&gt;&lt;br/&gt;For more information on the risks of investing in this Fund, including the risks of foreign securities, please see How the Fund Invests&amp;#8212;Investment Risks in the Prospectus and Investment Risks and Considerations in the SAI.</rr:RiskNarrativeTextBlock>
  <rr:RiskNondiversifiedStatus contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;b&gt;Nondiversification Risk.&lt;/b&gt; The Fund is nondiversified. This means that the Fund may invest a greater percentage of its assets in the securities of a single company or other issuer than a diversified fund. Investing in a nondiversified fund involves greater risk than investing in a diversified fund because a loss resulting from the decline in value of any one security may represent a greater portion of the total assets of a nondiversified fund.</rr:RiskNondiversifiedStatus>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.3142</rr:AverageAnnualReturnYear01>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">Please remember that an investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency;</rr:RiskNotInsuredDepositoryInstitution>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.3645</rr:AverageAnnualReturnYear01>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;The Fund's Past Performance.&lt;/b&gt;</rr:BarChartAndPerformanceTableHeading>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0.3788</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.3002</rr:AverageAnnualReturnYear01>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The following bar chart shows the Fund's performance for the indicated share class for each full calendar year of operations or for the last 10 calendar years, whichever is shorter. The bar chart and Average Annual Total Returns table demonstrate the risk of investing in the Fund by showing how returns can change from year to year and by showing how the Fund's average annual total returns for the share class compare with a broad-based securities market index and a group of similar mutual funds.&lt;br/&gt;&lt;br/&gt;Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future. Updated Fund performance information is available online at www.prudentialfunds.com.</rr:PerformanceNarrativeTextBlock>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000030622_MemberC000094915_Member" unitRef="pure">0.281</rr:AverageAnnualReturnYear01>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">www.prudentialfunds.com</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000030622_MemberC000094915_Member" unitRef="pure">0.1984</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member" unitRef="pure">0.0465</rr:AverageAnnualReturnSinceInception>
  <rr:RiskLoseMoney contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">and is subject to investment risks, including possible loss of your original investment.</rr:RiskLoseMoney>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">Please remember that an investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency;</rr:RiskNotInsuredDepositoryInstitution>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.0661</rr:AverageAnnualReturnSinceInception>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">www.prudentialfunds.com</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member" unitRef="pure">0.0711</rr:AverageAnnualReturnSinceInception>
  <rr:HighestQuarterlyReturnLabel contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member">&lt;b&gt;Best Quarter:&lt;/b&gt;</rr:HighestQuarterlyReturnLabel>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.0422</rr:AverageAnnualReturnSinceInception>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member">2012-03-31</rr:BarChartHighestQuarterlyReturnDate>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000030622_MemberC000094915_Member" unitRef="pure">0.03</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000030622_MemberC000094915_Member" unitRef="pure">0.0297</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094916_Member">2010-12-21</rr:AverageAnnualReturnInceptionDate>
  <rr:BarChartHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Annual Total Returns (Class A Shares)&lt;sup&gt;1&lt;/sup&gt;&lt;/b&gt;</rr:BarChartHeading>
  <rr:BarChartHighestQuarterlyReturn decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">0.145</rr:BarChartHighestQuarterlyReturn>
  <rr:LowestQuarterlyReturnLabel contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member">&lt;b&gt;Worst Quarter:&lt;/b&gt;</rr:LowestQuarterlyReturnLabel>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member">2010-12-21</rr:AverageAnnualReturnInceptionDate>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member">2011-09-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:AnnualReturn2012 id="Item_20" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0724</rr:AnnualReturn2012>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094918_Member">2010-12-21</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member">2010-12-21</rr:AverageAnnualReturnInceptionDate>
  <rr:BarChartLowestQuarterlyReturn decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094915_Member" unitRef="pure">-0.1919</rr:BarChartLowestQuarterlyReturn>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000030622_MemberC000094915_Member">2010-12-21</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000030622_MemberC000094915_Member">2010-12-21</rr:AverageAnnualReturnInceptionDate>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">2419</rr:ExpenseExampleYear10>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">2419</rr:ExpenseExampleYear10>
  <rr:HighestQuarterlyReturnLabel contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member">&lt;b&gt;Best Quarter:&lt;/b&gt;</rr:HighestQuarterlyReturnLabel>
  <rr:ExpenseExampleYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">1327</rr:ExpenseExampleYear10>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:BarChartDoesNotReflectSalesLoads contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">These annual total returns do not include sales charges. If the sales charges were included, the annual total returns would be lower than those shown.</rr:BarChartDoesNotReflectSalesLoads>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member">2012-03-31</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturn decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0303</rr:BarChartHighestQuarterlyReturn>
  <rr:LowestQuarterlyReturnLabel contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member">&lt;b&gt;Worst Quarter:&lt;/b&gt;</rr:LowestQuarterlyReturnLabel>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member">2012-06-30</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturn decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0049</rr:BarChartLowestQuarterlyReturn>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">666</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">198</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">198</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">198</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear01 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">97</rr:ExpenseExampleNoRedemptionYear01>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">950</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">643</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">643</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">643</rr:ExpenseExampleNoRedemptionYear03>
  <rr:ExpenseExampleNoRedemptionYear03 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">335</rr:ExpenseExampleNoRedemptionYear03>
  <rr:PerformanceTableHeading contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;b&gt;Average Annual Total Returns % (including sales charges) (as of 12-31-12)&lt;/b&gt;</rr:PerformanceTableHeading>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">1256</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">1115</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">1115</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">1115</rr:ExpenseExampleNoRedemptionYear05>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">592</rr:ExpenseExampleNoRedemptionYear05>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="USD">2121</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="USD">2157</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="USD">2419</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="USD">2419</rr:ExpenseExampleNoRedemptionYear10>
  <rr:ExpenseExampleNoRedemptionYear10 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="USD">1327</rr:ExpenseExampleNoRedemptionYear10>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">After-tax returns are shown only for the indicated share class. After-tax returns for other classes will vary due to differing sales charges and expenses.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">After-tax returns are shown only for the indicated share class. After-tax returns for other classes will vary due to differing sales charges and expenses.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <rr:PerformanceTableNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&amp;#176; After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown only for the indicated share class. After-tax returns for other classes will vary due to differing sales charges and expenses.</rr:PerformanceTableNarrativeTextBlock>
  <rr:PortfolioTurnoverHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Portfolio Turnover.&lt;/b&gt;</rr:PortfolioTurnoverHeading>
  <rr:PortfolioTurnoverTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">The Fund pays transaction costs, such as commissions, when it buys and sells securities (or &amp;#8220;turns over&amp;#8221; its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the Fund's most recent fiscal year, the Fund's portfolio turnover rate was 89% of the average value of its portfolio.</rr:PortfolioTurnoverTextBlock>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.0541</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0.0762</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0.0756</rr:AverageAnnualReturnYear01>
  <rr:PerformanceTableNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&amp;#176; After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown only for the indicated share class. After-tax returns for other classes will vary due to differing sales charges and expenses.</rr:PerformanceTableNarrativeTextBlock>
  <rr:PortfolioTurnoverRate decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_Member" unitRef="pure">0.89</rr:PortfolioTurnoverRate>
  <rr:StrategyHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;INVESTMENTS, RISKS AND PERFORMANCE&lt;br/&gt;&lt;br/&gt;Principal Investment Strategies. &lt;/b&gt;</rr:StrategyHeading>
  <rr:StrategyNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">We seek investments that will appreciate over time. We also try to reduce the taxes shareholders may pay on the Fund&amp;#8217;s investment income and capital gains. We normally invest at least 80% of the Fund&amp;#8217;s investable assets in equity and equity-related securities of large capitalization U.S. companies. The term &amp;#8220;investable assets&amp;#8221; refers to the Fund&amp;#8217;s net assets plus any borrowings for investment purposes. The Fund&amp;#8217;s investable assets will be less than its total assets to the extent that it has borrowed money for non-investment purposes, such as to meet anticipated redemptions. &lt;br /&gt;&lt;br /&gt;Quantitative Management Associates LLC (QMA) employs a quantitatively driven, bottom-up investment process. The stock selection process utilizes an adaptive model that evaluates stocks differently based on their growth expectations. QMA constructs portfolios that seek to maximize the Fund&amp;#8217;s investment in the most attractive stocks identified by the model, subject to risk constraints. &lt;br /&gt;&lt;br /&gt;We try to limit taxes by avoiding short-term capital gains whenever possible. We also may sell securities that have fallen in value in order to generate losses that can be used to offset current and future capital gains on other securities, while, at the same time, improve the risk/return profile of the portfolio. &lt;br /&gt;&lt;br /&gt;The Fund&amp;#8217;s objective is to outperform the returns of the S&amp;amp;P 500 Index on an after-tax basis over the long term. While we make every effort to achieve our objective, we can&amp;#8217;t guarantee success.</rr:StrategyNarrativeTextBlock>
  <rr:RiskHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Principal Risks of Investing in the Fund.&lt;/b&gt;</rr:RiskHeading>
  <rr:RiskNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">All investments have risks to some degree. Please remember that an investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency; and is subject to investment risks, including possible loss of your original investment. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Equity and Equity-Related Securities Risks.&lt;/b&gt; There is the risk that the value of a particular security could go down and you could lose money. In addition to an individual security losing value, the value of the equity markets or a sector in which the Fund invests could go down. The Fund's holdings can vary significantly from broad market indexes and the performance of the Fund can deviate from the performance of these indexes. Different parts of a market can react differently to adverse issuer, market, regulatory, political and economic developments. &lt;br /&gt;&lt;br /&gt;The Fund may invest in companies that reinvest their earnings rather than distribute them to shareholders. To the extent the Fund does invest in such companies, the Fund is not likely to receive significant dividend income on its portfolio securities. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Large Capitalization Company Risk. &lt;/b&gt; Companies with large market capitalizations go in and out of favor based on market and economic conditions. Larger companies tend to be less volatile than companies with smaller market capitalizations. In exchange for this potentially lower risk, the Fund's value may not rise or fall as much as the value of funds that emphasize companies with smaller market capitalizations. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Model design risk. &lt;/b&gt; The design of the underlying models may be flawed or incomplete. For example, QMA&amp;#8217;s quantitative strategies do not utilize detailed fundamental analyses of the securities considered for purchase. The investment models used by QMA are based on historical and theoretical underpinnings that QMA believes are sound. There can be no guarantee, however, that these underpinnings will correlate with security price behavior in the manner assumed by the models. Additionally, the quantitative techniques that underlie QMA's portfolio construction processes may fail to fully anticipate important risks. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Model Implementation Risk. &lt;/b&gt; While QMA strives to mitigate the likelihood of material implementation errors, it is impossible to completely eliminate the risk of error in the implementation of the computer models that guide QMA's quantitative investment processes. Additionally, it may be difficult to implement model recommendations in volatile and rapidly changing market conditions. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Recent Market Events. &lt;/b&gt; The financial crisis that began in 2008 has caused a significant decline in the value and liquidity of many securities. In response to the crisis, the U.S. and other governments and U.S. and foreign central banks have taken steps to support financial markets. The withdrawal of this support, failure of efforts in response to the crisis, or investor perception that such efforts are not succeeding could negatively affect financial markets generally as well as the value and liquidity of certain securities. In addition, policy and legislative changes in the United States and other countries are changing many aspects of financial regulation. The impact of these changes on the markets, and the practical implications for market participants, may not be fully known for some time. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Risk of Increase in Expenses. &lt;/b&gt; Your actual cost of investing in the Fund may be higher than the expenses shown in the expense table for a variety of reasons. For example, expense ratios may be higher than those shown if average net assets decrease. Net assets are more likely to decrease and Fund expense ratios are more likely to increase when markets are volatile. &lt;br /&gt;&lt;br /&gt;&lt;b&gt;Tax-Related Investing Risk. &lt;/b&gt; If you are investing for the short term (less than one year), you may suffer negative tax consequences by investing in the Fund. Market conditions may limit the Fund&amp;#8217;s ability to generate tax losses or to avoid dividend income. Excessive shareholder redemptions may require the Fund to sell securities and realize gains. While the Fund tries to limit the extent to which shareholders incur taxes on Fund distributions of income and net realized gains, the Fund expects to distribute taxable income or capital gains from time to time. &lt;br /&gt;&lt;br /&gt;For more information on the risks of investing in this Fund, please see How the Fund Invests&amp;#8212;Investment Risks in the Prospectus and Investment Risks and Considerations in the SAI.</rr:RiskNarrativeTextBlock>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.0242</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000031707_MemberC000098666_Member" unitRef="pure">0.0135</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000031707_MemberC000098666_Member" unitRef="pure">0.0155</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberBofamlUsdLiborThreeMonthCmIndex_Member" unitRef="pure">0.0051</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberLipperAbsoluteReturnFundsAverage_Member" unitRef="pure">0.0419</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 id="Item_21" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberLipperCustomAbsoluteReturnFundsAverage_Member" unitRef="pure">0.0597</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member" unitRef="pure">0.021</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="pure">0.0326</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member" unitRef="pure">0.0318</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member" unitRef="pure">0.002</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000031707_MemberC000098666_Member" unitRef="pure">-0.0086</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000031707_MemberC000098666_Member" unitRef="pure">-0.0045</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberBofamlUsdLiborThreeMonthCmIndex_Member" unitRef="pure">0.004</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberLipperAbsoluteReturnFundsAverage_Member" unitRef="pure">0.0057</rr:AverageAnnualReturnSinceInception>
  <rr:RiskNotInsuredDepositoryInstitution contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">Please remember that an investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency;</rr:RiskNotInsuredDepositoryInstitution>
  <rr:AverageAnnualReturnSinceInception id="Item_22" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberLipperCustomAbsoluteReturnFundsAverage_Member" unitRef="pure">0.0174</rr:AverageAnnualReturnSinceInception>
  <rr:RiskLoseMoney contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">and is subject to investment risks, including possible loss of your original investment.</rr:RiskLoseMoney>
  <rr:BarChartAndPerformanceTableHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;The Fund's Past Performance.&lt;/b&gt;</rr:BarChartAndPerformanceTableHeading>
  <rr:PerformanceNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">The following bar chart shows the Fund's performance for the indicated share class for each full calendar year of operations or for the last 10 calendar years, whichever is shorter. The bar chart and Average Annual Total Returns table demonstrate the risk of investing in the Fund by showing how returns can change from year to year and by showing how the Fund's average annual total returns for the share class compare with a broad-based securities market index and a group of similar mutual funds.&lt;br/&gt;&lt;br/&gt;Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future. Updated Fund performance information is available online at www.prudentialfunds.com.</rr:PerformanceNarrativeTextBlock>
  <rr:PerformancePastDoesNotIndicateFuture contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future.</rr:PerformancePastDoesNotIndicateFuture>
  <rr:PerformanceAvailabilityWebSiteAddress contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">www.prudentialfunds.com</rr:PerformanceAvailabilityWebSiteAddress>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098667_Member">2011-03-30</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member">2011-03-30</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098669_Member">2011-03-30</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098666_Member">2011-03-30</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000031707_MemberC000098666_Member">2011-03-30</rr:AverageAnnualReturnInceptionDate>
  <rr:BarChartHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Annual Total Returns (Class A Shares)&lt;sup&gt;1&lt;/sup&gt; &lt;/b&gt;</rr:BarChartHeading>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000031707_MemberC000098666_Member">2011-03-30</rr:AverageAnnualReturnInceptionDate>
  <rr:BarChartDoesNotReflectSalesLoads contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">These annual total returns do not include sales charges. If the sales charges were included, the annual total returns would be lower than those shown.</rr:BarChartDoesNotReflectSalesLoads>
  <rr:AnnualReturn2003 id="Item_23" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.2964</rr:AnnualReturn2003>
  <rr:AnnualReturn2004 id="Item_24" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.1118</rr:AnnualReturn2004>
  <rr:AnnualReturn2005 id="Item_25" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.0457</rr:AnnualReturn2005>
  <rr:AnnualReturn2006 id="Item_26" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.1613</rr:AnnualReturn2006>
  <rr:AnnualReturn2007 id="Item_27" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.0612</rr:AnnualReturn2007>
  <rr:AnnualReturn2008 id="Item_28" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">-0.3761</rr:AnnualReturn2008>
  <rr:AnnualReturn2009 id="Item_29" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.2128</rr:AnnualReturn2009>
  <rr:AnnualReturn2010 id="Item_30" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.1248</rr:AnnualReturn2010>
  <rr:AnnualReturn2011 id="Item_31" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.0112</rr:AnnualReturn2011>
  <rr:AnnualReturn2012 id="Item_32" decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.1701</rr:AnnualReturn2012>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberFtseEpraNareitDevelopedExUsNetIndex_Member" unitRef="pure">0.3801</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberMsciEafeNdIndex_Member" unitRef="pure">0.1732</rr:AverageAnnualReturnYear01>
  <rr:HighestQuarterlyReturnLabel contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member">&lt;b&gt;Best Quarter: &lt;/b&gt;</rr:HighestQuarterlyReturnLabel>
  <rr:BarChartHighestQuarterlyReturnDate contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member">2003-06-30</rr:BarChartHighestQuarterlyReturnDate>
  <rr:BarChartHighestQuarterlyReturn decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.1521</rr:BarChartHighestQuarterlyReturn>
  <rr:LowestQuarterlyReturnLabel contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member">&lt;b&gt;Worst Quarter:&lt;/b&gt;</rr:LowestQuarterlyReturnLabel>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberLipperEquityInternationalRealEstateFundsAverage_Member" unitRef="pure">0.4074</rr:AverageAnnualReturnYear01>
  <rr:BarChartLowestQuarterlyReturnDate contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member">2008-12-31</rr:BarChartLowestQuarterlyReturnDate>
  <rr:BarChartLowestQuarterlyReturn decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">-0.2165</rr:BarChartLowestQuarterlyReturn>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberFtseEpraNareitDevelopedExUsNetIndex_Member" unitRef="pure">0.079</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberMsciEafeNdIndex_Member" unitRef="pure">0.0153</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberLipperEquityInternationalRealEstateFundsAverage_Member" unitRef="pure">0.0731</rr:AverageAnnualReturnSinceInception>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberFtseEpraNareitDevelopedExUsNetIndex_Member">2010-12-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberMsciEafeNdIndex_Member">2010-12-31</rr:AverageAnnualReturnInceptionDate>
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberLipperEquityInternationalRealEstateFundsAverage_Member">2010-12-31</rr:AverageAnnualReturnInceptionDate>
  <rr:PerformanceTableHeading contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;b&gt;Average Annual Total Returns % (including sales charges) (as of 12-31-12)&lt;/b&gt;</rr:PerformanceTableHeading>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.1118</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.1516</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.1099</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.1731</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.1057</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000004644_MemberC000012654_Member" unitRef="pure">0.0977</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000004644_MemberC000012654_Member" unitRef="pure">0.0793</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberSandpFiveHundredIndex_Member" unitRef="pure">0.1599</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear01 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberLipperLargeCapCoreFundsAverage_Member" unitRef="pure">0.1495</rr:AverageAnnualReturnYear01>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">-0.0075</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">-0.0056</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">-0.0015</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.0039</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">-0.0099</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000004644_MemberC000012654_Member" unitRef="pure">-0.0141</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000004644_MemberC000012654_Member" unitRef="pure">-0.0088</rr:AverageAnnualReturnYear05>
  <rr:BarChartClosingTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;table style="border-left: 1px solid black; line-height: 10pt; width: 70%; border-collapse: collapse; border-top: 1px solid black;" align="center" cellpadding="4" cellspacing="0"&gt;&lt;tr&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" colspan="2" valign="bottom" align="center"&gt;&lt;b&gt;Best Quarter:&lt;/b&gt;&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" colspan="2" valign="bottom" align="center"&gt;&lt;b&gt;Worst Quarter:&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;14.50%&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;1st Quarter 2012&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;-19.19%&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;3rd Quarter 2011&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</rr:BarChartClosingTextBlock>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberSandpFiveHundredIndex_Member" unitRef="pure">0.0166</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear05 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberLipperLargeCapCoreFundsAverage_Member" unitRef="pure">0.0068</rr:AverageAnnualReturnYear05>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure">0.0568</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure">0.0569</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.0673</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure">0.0586</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000004644_MemberC000012654_Member" unitRef="pure">0.056</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000004644_MemberC000012654_Member" unitRef="pure">0.0512</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberSandpFiveHundredIndex_Member" unitRef="pure">0.071</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnYear10 decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberLipperLargeCapCoreFundsAverage_Member" unitRef="pure">0.0651</rr:AverageAnnualReturnYear10>
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012655_Member" unitRef="pure" />
  <rr:BarChartClosingTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;table style="border-left: 1px solid black; line-height: 10pt; width: 70%; border-collapse: collapse; border-top: 1px solid black;" align="center" cellpadding="4" cellspacing="0"&gt;&lt;tr&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" colspan="2" valign="bottom" align="center"&gt;&lt;b&gt;Best Quarter:&lt;/b&gt;&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" colspan="2" valign="bottom" align="center"&gt;&lt;b&gt;Worst Quarter:&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;3.03%&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;1st Quarter 2012&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;0.49%&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;2nd Quarter &lt;br/&gt;2012&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</rr:BarChartClosingTextBlock>
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012656_Member" unitRef="pure" />
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure" />
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012654_Member" unitRef="pure" />
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributions_MemberS000004644_MemberC000012654_Member" unitRef="pure" />
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013AfterTaxesOnDistributionsAndSales_MemberS000004644_MemberC000012654_Member" unitRef="pure" />
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberSandpFiveHundredIndex_Member" unitRef="pure" />
  <rr:AverageAnnualReturnSinceInception xsi:nil="true" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberLipperLargeCapCoreFundsAverage_Member" unitRef="pure" />
  <rr:AverageAnnualReturnInceptionDate contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member">2007-03-19</rr:AverageAnnualReturnInceptionDate>
  <rr:ShareholderFeesTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleShareholderFeesPrudentialInternationalRealEstateFund column period compact * ~&lt;/div&gt;

</rr:ShareholderFeesTableTextBlock>
  <rr:PerformanceTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleAverageAnnualTotalReturnsTransposedPrudentialInternationalRealEstateFund column period compact * ~&lt;/div&gt;

</rr:PerformanceTableTextBlock>
  <rr:ExpenseExampleNoRedemptionTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemptionTransposedPrudentialAbsoluteReturnBondFund column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleNoRedemptionTableTextBlock>
  <rr:AnnualFundOperatingExpensesTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleAnnualFundOperatingExpensesPrudentialInternationalRealEstateFund column period compact * ~&lt;/div&gt;

</rr:AnnualFundOperatingExpensesTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsPrudentialInternationalRealEstateFundBarChart column period compact * ~&lt;/div&gt;

</rr:BarChartTableTextBlock>
  <rr:BarChartTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsPrudentialAbsoluteReturnBondFundBarChart column period compact * ~&lt;/div&gt;

</rr:BarChartTableTextBlock>
  <rr:ExpenseExampleWithRedemptionTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleExpenseExampleTransposedPrudentialInternationalRealEstateFund column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleWithRedemptionTableTextBlock>
  <rr:ExpenseExampleNoRedemptionTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemptionTransposedPrudentialInternationalRealEstateFund column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleNoRedemptionTableTextBlock>
  <rr:ExpenseExampleNoRedemptionYear05 decimals="INF" contextRef="Duration_16Feb2012_15Feb2013S000031707_MemberC000098668_Member" unitRef="USD">779</rr:ExpenseExampleNoRedemptionYear05>
  <rr:OtherExpensesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000030622_MemberC000094917_Member" unitRef="pure">0.0165</rr:OtherExpensesOverAssets>
  <rr:BarChartTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleAnnualTotalReturnsPRUDENTIALLARGE-CAPCOREEQUITYFUNDBarChart column period compact * ~&lt;/div&gt;

</rr:BarChartTableTextBlock>
  <rr:PerformanceTableNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&amp;#176; After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401 (k) plans or individual retirement accounts. After-tax returns are shown only for the indicated share class. After-tax returns for other classes will vary due to differing sales charges and expenses.</rr:PerformanceTableNarrativeTextBlock>
  <rr:PerformanceTableUsesHighestFederalRate contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</rr:PerformanceTableUsesHighestFederalRate>
  <rr:PerformanceTableNotRelevantToTaxDeferred contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401 (k) plans or individual retirement accounts.</rr:PerformanceTableNotRelevantToTaxDeferred>
  <rr:PerformanceTableOneClassOfAfterTaxShown contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">After-tax returns are shown only for the indicated share class. After-tax returns for other classes will vary due to differing sales charges and expenses.</rr:PerformanceTableOneClassOfAfterTaxShown>
  <rr:BarChartClosingTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;table style="border-left: 1px solid black; line-height: 10pt; width: 70%; border-collapse: collapse; border-top: 1px solid black;" align="center" cellpadding="4" cellspacing="0"&gt;&lt;tr&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" colspan="2" valign="bottom" align="center"&gt;&lt;b&gt;Best Quarter:&lt;/b&gt;&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" colspan="2" valign="bottom" align="center"&gt;&lt;b&gt;Worst Quarter:&lt;/b&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;15.21%&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;2nd Quarter 2003&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;-21.65%&lt;/td&gt;&lt;td style="border-bottom: 1px solid black; border-right: 1px solid black;" valign="top" align="center"&gt;4th Quarter 2008&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</rr:BarChartClosingTextBlock>
  <rr:ExpenseExampleNoRedemptionTableTextBlock contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">&lt;div style="display:none"&gt;~ http://www.prudentialfunds.com/role/ScheduleExpenseExampleNoRedemptionTransposedPRUDENTIALLARGE-CAPCOREEQUITYFUND column period compact * ~&lt;/div&gt;

</rr:ExpenseExampleNoRedemptionTableTextBlock>
  <rr:ManagementFeesOverAssets decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000012657_Member" unitRef="pure">0.0065</rr:ManagementFeesOverAssets>
  <rr:AverageAnnualReturnSinceInception decimals="4" contextRef="Duration_16Feb2012_15Feb2013S000004644_MemberC000038975_Member" unitRef="pure">0.0124</rr:AverageAnnualReturnSinceInception>
  <rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">February 28, 2014</rr:FeeWaiverOrReimbursementOverAssetsDateOfTermination>
  <rr:ExpenseExampleNarrativeTextBlock contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The following hypothetical example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. It assumes that you invest $10,000 in the Fund for the time periods indicated and then, except as indicated, redeem all your shares at the end of those periods. It assumes a 5% return on your investment each year, that the Fund's operating expenses remain the same and that all dividends and distributions are reinvested. Your actual costs may be higher or lower.</rr:ExpenseExampleNarrativeTextBlock>
  <rr:BarChartDoesNotReflectSalesLoads contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">These annual total returns do not include sales charges. If the sales charges were included, the annual total returns would be lower than those shown.</rr:BarChartDoesNotReflectSalesLoads>
  <rr:PerformanceAdditionalMarketIndex contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">* The Lipper Custom Absolute Return Funds Average is comprised of fixed-income funds within the Lipper Absolute Return Funds Performance Universe, although Lipper classifies the Fund as an Absolute Return Fund. The Lipper Custom Absolute Return Funds Average is utilized because the Manager believes that the fixed-income funds included in this Universe provide a more appropriate basis for Fund performance comparisons.</rr:PerformanceAdditionalMarketIndex>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="Duration_16Feb2012_15Feb2013S000030622_Member">The bar chart and Average Annual Total Returns table demonstrate the risk of investing in the Fund by showing how returns can change from year to year and by showing how the Fund's average annual total returns for the share class compare with a broad-based securities market index and a group of similar mutual funds.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="Duration_16Feb2012_15Feb2013S000031707_Member">The bar chart and Average Annual Total Returns table demonstrate the risk of investing in the Fund by showing how returns can change from year to year and by showing how the Fund's average annual total returns for the share class compare with a broad-based securities market index and a group of similar mutual funds.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <rr:PerformanceInformationIllustratesVariabilityOfReturns contextRef="Duration_16Feb2012_15Feb2013S000004644_Member">The bar chart and Average Annual Total Returns table demonstrate the risk of investing in the Fund by showing how returns can change from year to year and by showing how the Fund's average annual total returns for the share class compare with a broad-based securities market index and a group of similar mutual funds.</rr:PerformanceInformationIllustratesVariabilityOfReturns>
  <link:footnoteLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="#Item_2" xlink:label="OtherExpensesOverAssets" />
    <link:footnote xlink:type="resource" xlink:label="footnote_OtherExpensesOverAssets" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_OtherExpensesOverAssets">The Manager has contractually agreed through February 28, 2014 to limit net annual Fund operating expenses (exclusive of distribution and service (12b-1) fees, extraordinary and certain other expenses such as taxes, interest and brokerage commissions) of each class of shares to .90% of the Fund's average daily net assets. The decision on whether to renew, modify or terminate the expense cap is subject to review by the Manager and the Fund's Board of Trustees. Separately, the Distributor has contractually agreed through February 28, 2014 to limit the Fund's Class A distribution and service (12b-1) fees to .25% of the Fund's Class A average daily net assets. The decision on whether to renew, modify or terminate the waiver is subject to review by the Distributor and the Fund's Board of Trustees.</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="OtherExpensesOverAssets" xlink:to="footnote_OtherExpensesOverAssets" />
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    <link:loc xlink:type="locator" xlink:href="#Item_4" xlink:label="Item_4_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_5" xlink:label="Item_5_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_6" xlink:label="Item_6_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_7" xlink:label="Item_7_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_8" xlink:label="Item_8_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_9" xlink:label="Item_9_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_10" xlink:label="Item_10_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_11" xlink:label="Item_11_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_12" xlink:label="Item_12_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_12_lbl" xlink:to="footnote_OtherExpensesOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_13" xlink:label="Item_13_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_13_lbl" xlink:to="footnote_OtherExpensesOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_18" xlink:label="AnnualReturn2011" />
    <link:footnote xlink:type="resource" xlink:label="footnote_AnnualReturn2011" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_AnnualReturn2011">These annual total returns do not include sales charges. If the sales charges were included, the annual total returns would be lower than those shown. Without the contractual cap in effect through February 28, 2014 and the distribution and service (12b-1) fee waiver, the annual returns would have been lower as well. </link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="AnnualReturn2011" xlink:to="footnote_AnnualReturn2011" />
    <link:loc xlink:type="locator" xlink:href="#Item_19" xlink:label="Item_19_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_19_lbl" xlink:to="footnote_AnnualReturn2011" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_20" xlink:label="AnnualReturn2012" />
    <link:footnote xlink:type="resource" xlink:label="footnote_AnnualReturn2012" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_AnnualReturn2012">These annual total returns do not include sales charges. If the sales charges were included, the annual total returns would be lower than those shown. Without the contractual cap in effect through February 28, 2013 and the distribution and service (12b-1) fee waiver, the annual returns would have been lower as well. </link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="AnnualReturn2012" xlink:to="footnote_AnnualReturn2012" />
    <link:loc xlink:type="locator" xlink:href="#Item_23" xlink:label="AnnualReturn2003" />
    <link:footnote xlink:type="resource" xlink:label="footnote_AnnualReturn2003" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_AnnualReturn2003">These annual total returns do not include sales charges. If the sales charges were included, the annual total returns would be lower than those shown. Without the expense cap and distribution and service (12b-1) fee waiver for Class A shares, the annual returns would have been lower, too. </link:footnote>
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    <link:loc xlink:type="locator" xlink:href="#Item_24" xlink:label="Item_24_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_25" xlink:label="Item_25_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_26" xlink:label="Item_26_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_27" xlink:label="Item_27_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_28" xlink:label="Item_28_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_28_lbl" xlink:to="footnote_AnnualReturn2003" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_29" xlink:label="Item_29_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_29_lbl" xlink:to="footnote_AnnualReturn2003" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_30" xlink:label="Item_30_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_30_lbl" xlink:to="footnote_AnnualReturn2003" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_31" xlink:label="Item_31_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_31_lbl" xlink:to="footnote_AnnualReturn2003" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_32" xlink:label="Item_32_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_32_lbl" xlink:to="footnote_AnnualReturn2003" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_21" xlink:label="AverageAnnualReturnYear01" />
    <link:footnote xlink:type="resource" xlink:label="footnote_AverageAnnualReturnYear01" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_AverageAnnualReturnYear01">The Lipper Custom Absolute Return Funds Average is comprised of fixed-income funds within the Lipper Absolute Return Funds Performance Universe, although Lipper classifies the Fund as an Absolute Return Fund. The Lipper Custom Absolute Return Funds Average is utilized because the Manager believes that the fixed-income funds included in this Universe provide a more appropriate basis for Fund performance comparisons.</link:footnote>
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="AverageAnnualReturnYear01" xlink:to="footnote_AverageAnnualReturnYear01" />
    <link:loc xlink:type="locator" xlink:href="#Item_22" xlink:label="Item_22_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_22_lbl" xlink:to="footnote_AverageAnnualReturnYear01" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_14" xlink:label="FeeWaiverOrReimbursementOverAssets" />
    <link:footnote xlink:type="resource" xlink:label="footnote_FeeWaiverOrReimbursementOverAssets" xlink:role="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" id="footnote_FeeWaiverOrReimbursementOverAssets">The Manager has contractually agreed through February 28, 2014 to limit net annual Fund operating expenses (exclusive of distribution and service (12b-1) fees, extraordinary and certain other expenses, such as taxes, interest, and brokerage commissions) of each class of shares to 1.35% of the Fund's average daily net assets. The decision on whether to renew, modify or terminate the expense cap is subject to review by the Manager and the Fund's Board of Trustees. Separately, the Distributor has contractually agreed through February 28, 2014 to limit the Fund's Class A distribution and service (12b-1) fees to .25% of the Fund's Class A average daily net assets. The decision on whether to renew, modify or terminate the waiver is subject to review by the distributor and the Fund' s Board of Trustees. </link:footnote>
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    <link:loc xlink:type="locator" xlink:href="#Item_15" xlink:label="Item_15_lbl" />
    <link:footnoteArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote" xlink:from="Item_15_lbl" xlink:to="footnote_FeeWaiverOrReimbursementOverAssets" use="optional" priority="0" order="1.0" />
    <link:loc xlink:type="locator" xlink:href="#Item_16" xlink:label="Item_16_lbl" />
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    <link:loc xlink:type="locator" xlink:href="#Item_17" xlink:label="Item_17_lbl" />
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