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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName PRUDENTIAL INVESTMENT PORTFOLIOS 16
Prospectus Date rr_ProspectusDate Feb. 26, 2018
PRUDENTIAL QMA DEFENSIVE EQUITY FUND  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading FUND SUMMARY

IMPORTANT NOTE: Effective June 11, 2018, the Fund’s new name will be PGIM QMA Defensive Equity Fund. Fund symbols will not change.
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The investment objective of the Fund is to seek long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading FUND FEES AND EXPENSES
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock 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 related investors purchase, or agree to purchase in the future, $25,000 or more in shares of the Fund or other funds in the Prudential mutual funds. More information about these discounts as well as other waivers or discounts is available from your financial professional and is explained in Reducing or Waiving Class A's and Class C’s Sales Charges on page 23 of the Fund's Prospectus, Appendix A: Waivers and Discounts Available From Certain Financial Intermediaries on page 47 of the Fund's Prospectus and in Rights of Accumulation on page 62 of the Fund's Statement of Additional Information (SAI).
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination February 29, 2020

February 28, 2019
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover.
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” 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 103% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 103.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and an eligible group of related investors purchase, or agree to purchase in the future, $25,000 or more in shares of the Fund or other funds in the Prudential mutual funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 25,000
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates Other expenses are based on estimates.
Expense Example [Heading] rr_ExpenseExampleHeading Example.
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock 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 (except that fee waivers or reimbursements, if any, are only reflected in the 1-Year figures) and that all dividends and distributions are reinvested. Your actual costs may be higher or lower.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption If Shares Are Redeemed
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If Shares Are Not Redeemed
Strategy [Heading] rr_StrategyHeading INVESTMENTS, RISKS AND PERFORMANCE

Principal Investment Strategies.
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund seeks to achieve its investment objective by investing in a well diversified portfolio of equity and equity-related securities. 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 equity and equity-related securities. For purposes of this 80% policy, equity and equity-related securities include (i) common and preferred stock (and securities convertible into, or that the subadviser expects to be exchanged for, common or preferred stock), (ii) exchange-traded funds (ETFs), and (iii) synthetic instruments and derivatives that have economic characteristics that are similar to equity securities, including certain options, futures, swaps, and exchange-traded notes (ETNs) whose interest or principal payments are linked to one or more equity securities or equity indices. The subadviser will evaluate investments across equity market sectors, based on a variety of factors, including but not limited to momentum, valuation, volatility and correlation, and will allocate and periodically rebalance the Fund’s portfolio across the different sectors based on changes in these factors. The subadviser may also use risk mitigation techniques to reduce downside risk. Investment decisions will be determined using a combination of quantitative tools and the judgment of the subadviser's investment professionals.

The Fund may invest in securities of any market capitalization. The Fund may invest up to 20% of its investable assets in debt securities of varying credit quality. The Fund may invest up to 20% of total assets in securities of foreign issuers. The Fund may invest up to 25% of its net assets in derivatives. Although the Fund is not limited in the types of derivatives it can use, the Fund currently expects that its principal investments in derivative instruments will include investments in futures contracts, but the Fund may also invest in options and swaps.
Risk [Heading] rr_RiskHeading Principal Risks.
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock All investments have risks to some degree. 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.

Equity and Equity-Related Securities Risks. 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.

Large Capitalization Company Risk. 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.

Sector Focused Investing Risk. This is the risk that events negatively affecting an industry or market sector in which the Fund focuses its investments will cause the value of the Fund’s shares to decrease, perhaps significantly.

Derivatives Risk. Derivatives involve special risks and costs and may result in losses to the Fund. The successful use of derivatives requires sophisticated management, and, to the extent that derivatives are used, the Fund will depend on the subadviser’s ability to analyze and manage derivatives transactions. The prices of derivatives may move in unexpected ways, especially in abnormal market conditions. Some derivatives are “leveraged” and therefore may magnify or otherwise increase investment losses to the Fund. The Fund’s use of derivatives may also increase the amount of taxes payable by shareholders. Other risks arise from the potential inability to terminate or sell derivatives positions. A liquid secondary market may not always exist for the Fund’s derivatives positions. In fact, many over-the-counter derivative instruments will not have liquidity beyond the counterparty to the instrument. Over-the-counter derivative instruments also involve the risk that the other party will not meet its obligations to the Fund.

The US Government and foreign governments are in the process of adopting and implementing regulations governing derivatives markets, including mandatory clearing of certain derivatives, margin and reporting requirements. The ultimate impact of the regulations remains unclear. Additional regulation of derivatives may make derivatives more costly, limit their availability or utility, or otherwise adversely affect their performance or disrupt markets.

Management Risk. Actively managed mutual funds are subject to management risk. The subadviser will apply investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these techniques will produce the desired results. Additionally, the securities selected by the subadviser may underperform the markets in general, the Fund’s benchmark and other mutual funds with similar investment objectives.

Risks of Small and Medium Sized Companies. Small and medium capitalization companies usually offer a smaller range of products and services than larger companies. Smaller companies may also have limited financial resources and may lack management depth. As a result, their prices may fluctuate more than the stocks of larger, more established companies. Historically, small and mid-cap companies have sometimes gone through extended periods when they did not perform as well as larger companies. Small and mid-cap companies generally are less liquid than larger companies, which may make such investments more difficult to sell at the time and price that the Fund would like.

Market Risk. Securities markets may be volatile and the market prices of the Fund’s securities may decline. Securities fluctuate in price based on changes in an issuer’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.

Economic and Market Events Risk. Events in the US and global financial markets, including actions taken by the US Federal Reserve or foreign central banks to stimulate or stabilize economic growth, may at times result in unusually high market volatility, which could negatively impact performance. Reduced liquidity in credit and fixed income markets could adversely affect issuers worldwide.

Risk of Increase in Expenses. 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. Active and frequent trading of Fund securities can increase expenses.
Risk Lose Money [Text] rr_RiskLoseMoney and is subject to investment risks, including possible loss of your original investment.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution 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;
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance.
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The following bar chart shows the Fund's performance for Class Z shares for each full calendar year of operations or for the last 10 calendar years, whichever is shorter. The following table shows the average annual returns of each of the Fund’s share classes and also compares the Fund’s performance with the average annual total returns of an index or other benchmark and a group of similar mutual funds. The bar chart and table demonstrate the risk of investing in the Fund by showing how returns can change from year to year.

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.pgiminvestments.com.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following table shows the average annual returns of each of the Fund’s share classes and also compares the Fund’s performance with the average annual total returns of an index or other benchmark and a group of similar mutual funds. The bar chart and table demonstrate the risk of investing in the Fund by showing how returns can change from year to year.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.pgiminvestments.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future.
Bar Chart [Heading] rr_BarChartHeading Annual Total Returns (Class Z Shares)1
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:Worst Quarter:
12.72%3rd Quarter 2009-13.82%4th Quarter 2008
Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] rr_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod Prior to this year, the annual returns bar chart displayed returns for the Fund’s Class A shares. The Fund now shows annual returns for Class Z shares in light of the relative growth of assets in this share class.
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns % (including sales charges) (as of 12-31-17)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate 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.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns are shown only for Class Z shares. After-tax returns for other classes will vary due to differing sales charges and expenses.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock ° 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 Class Z shares. After-tax returns for other classes will vary due to differing sales charges and expenses. Effective May 8, 2013, the Fund’s investment strategy and policies were changed and Quantitative Management Associates LLC (QMA) became the subadviser to the Fund. The Fund’s performance prior to May 8, 2013 is not attributable to QMA or to the Fund’s current investment strategies.
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.50%
Maximum deferred sales charge (load) (as percentage of the lower of original purchase price or net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther 1.00%
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption fee rr_RedemptionFeeOverRedemption none
Exchange fee rr_ExchangeFeeOverRedemption none
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee $ 15
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.30%
Other expenses rr_OtherExpensesOverAssets 0.25% [1]
Total annual Fund operating expenses rr_ExpensesOverAssets 1.30%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.25% [2],[3]
1 Year rr_ExpenseExampleYear01 $ 670
3 Years rr_ExpenseExampleYear03 935
5 Years rr_ExpenseExampleYear05 1,219
10 Years rr_ExpenseExampleYear10 2,027
1 Year rr_ExpenseExampleNoRedemptionYear01 670
3 Years rr_ExpenseExampleNoRedemptionYear03 935
5 Years rr_ExpenseExampleNoRedemptionYear05 1,219
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,027
One Year rr_AverageAnnualReturnYear01 9.91%
Five Years rr_AverageAnnualReturnYear05 9.73%
Ten Years rr_AverageAnnualReturnYear10 5.43%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Class B  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as percentage of the lower of original purchase price or net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther 5.00%
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption fee rr_RedemptionFeeOverRedemption none
Exchange fee rr_ExchangeFeeOverRedemption none
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee $ 15
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.82% [1]
Total annual Fund operating expenses rr_ExpensesOverAssets 2.57%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.29%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 2.28% [2],[3]
1 Year rr_ExpenseExampleYear01 $ 731
3 Years rr_ExpenseExampleYear03 1,043
5 Years rr_ExpenseExampleYear05 1,412
10 Years rr_ExpenseExampleYear10 2,399
1 Year rr_ExpenseExampleNoRedemptionYear01 231
3 Years rr_ExpenseExampleNoRedemptionYear03 743
5 Years rr_ExpenseExampleNoRedemptionYear05 1,312
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,399
One Year rr_AverageAnnualReturnYear01 10.36%
Five Years rr_AverageAnnualReturnYear05 9.98%
Ten Years rr_AverageAnnualReturnYear10 5.22%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as percentage of the lower of original purchase price or net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther 1.00%
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption fee rr_RedemptionFeeOverRedemption none
Exchange fee rr_ExchangeFeeOverRedemption none
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee $ 15
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.25% [1]
Total annual Fund operating expenses rr_ExpensesOverAssets 2.00%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 2.00% [2],[3]
1 Year rr_ExpenseExampleYear01 $ 303
3 Years rr_ExpenseExampleYear03 627
5 Years rr_ExpenseExampleYear05 1,078
10 Years rr_ExpenseExampleYear10 2,327
1 Year rr_ExpenseExampleNoRedemptionYear01 203
3 Years rr_ExpenseExampleNoRedemptionYear03 627
5 Years rr_ExpenseExampleNoRedemptionYear05 1,078
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,327
One Year rr_AverageAnnualReturnYear01 14.41%
Five Years rr_AverageAnnualReturnYear05 10.15%
Ten Years rr_AverageAnnualReturnYear10 5.23%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Class Q  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as percentage of the lower of original purchase price or net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther none
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption fee rr_RedemptionFeeOverRedemption none
Exchange fee rr_ExchangeFeeOverRedemption none
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee none
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 12.13% [1]
Total annual Fund operating expenses rr_ExpensesOverAssets 12.88%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (11.74%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.14% [2],[3]
1 Year rr_ExpenseExampleYear01 $ 116
3 Years rr_ExpenseExampleYear03 1,571
5 Years rr_ExpenseExampleYear05 3,934
10 Years rr_ExpenseExampleYear10 8,390
1 Year rr_ExpenseExampleNoRedemptionYear01 116
3 Years rr_ExpenseExampleNoRedemptionYear03 1,571
5 Years rr_ExpenseExampleNoRedemptionYear05 3,934
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 8,390
One Year rr_AverageAnnualReturnYear01 16.69%
Five Years rr_AverageAnnualReturnYear05
Ten Years rr_AverageAnnualReturnYear10
Since Inception rr_AverageAnnualReturnSinceInception 16.16%
Inception Date rr_AverageAnnualReturnInceptionDate Dec. 28, 2016
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Class R  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as percentage of the lower of original purchase price or net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther none
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption fee rr_RedemptionFeeOverRedemption none
Exchange fee rr_ExchangeFeeOverRedemption none
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee none
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Other expenses rr_OtherExpensesOverAssets 207.43% [1]
Total annual Fund operating expenses rr_ExpensesOverAssets 208.93%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (207.15%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.78% [2],[3]
1 Year rr_ExpenseExampleYear01 $ 181
3 Years rr_ExpenseExampleYear03 11,022
5 Years rr_ExpenseExampleYear05 11,022
10 Years rr_ExpenseExampleYear10 11,022
1 Year rr_ExpenseExampleNoRedemptionYear01 181
3 Years rr_ExpenseExampleNoRedemptionYear03 11,022
5 Years rr_ExpenseExampleNoRedemptionYear05 11,022
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 11,022
One Year rr_AverageAnnualReturnYear01 17.34%
Five Years rr_AverageAnnualReturnYear05 10.94%
Ten Years rr_AverageAnnualReturnYear10 5.88%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Class Z  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load) (as percentage of the lower of original purchase price or net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther none
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption fee rr_RedemptionFeeOverRedemption none
Exchange fee rr_ExchangeFeeOverRedemption none
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee none [4]
Management fees rr_ManagementFeesOverAssets 0.75%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.42% [1]
Total annual Fund operating expenses rr_ExpensesOverAssets 1.17%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.17% [2],[3]
1 Year rr_ExpenseExampleYear01 $ 119
3 Years rr_ExpenseExampleYear03 372
5 Years rr_ExpenseExampleYear05 644
10 Years rr_ExpenseExampleYear10 1,420
1 Year rr_ExpenseExampleNoRedemptionYear01 119
3 Years rr_ExpenseExampleNoRedemptionYear03 372
5 Years rr_ExpenseExampleNoRedemptionYear05 644
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,420
2008 rr_AnnualReturn2008 (28.30%) [5]
2009 rr_AnnualReturn2009 20.83% [5]
2010 rr_AnnualReturn2010 12.02% [5]
2011 rr_AnnualReturn2011 (0.95%) [5]
2012 rr_AnnualReturn2012 12.33% [5]
2013 rr_AnnualReturn2013 20.17% [5]
2014 rr_AnnualReturn2014 10.85% [5]
2015 rr_AnnualReturn2015 0.89% [5]
2016 rr_AnnualReturn2016 8.67% [5]
2017 rr_AnnualReturn2017 16.61% [5]
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 12.72%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (13.82%)
One Year rr_AverageAnnualReturnYear01 16.61%
Five Years rr_AverageAnnualReturnYear05 11.24%
Ten Years rr_AverageAnnualReturnYear10 6.28%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Return After Taxes on Distributions | Class Z  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 15.20%
Five Years rr_AverageAnnualReturnYear05 9.73%
Ten Years rr_AverageAnnualReturnYear10 5.33%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Return After Taxes on Distributions and Sale of Fund Shares | Class Z  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 10.21%
Five Years rr_AverageAnnualReturnYear05 8.71%
Ten Years rr_AverageAnnualReturnYear10 4.88%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | S&P 500 Index (reflects no deduction for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 21.82%
Five Years rr_AverageAnnualReturnYear05 15.78%
Ten Years rr_AverageAnnualReturnYear10 8.49%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Russell 1000 Defensive Index (reflects no deduction for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 20.64%
Five Years rr_AverageAnnualReturnYear05 15.19%
Ten Years rr_AverageAnnualReturnYear10 8.74%
Since Inception rr_AverageAnnualReturnSinceInception
PRUDENTIAL QMA DEFENSIVE EQUITY FUND | Lipper Large-Cap Core Funds Average (reflects no deduction for sales charges or taxes)  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 20.65%
Five Years rr_AverageAnnualReturnYear05 14.26%
Ten Years rr_AverageAnnualReturnYear10 7.50%
Since Inception rr_AverageAnnualReturnSinceInception
[1] Other expenses are based on estimates.
[2] PGIM Investments LLC (PGIM Investments) has contractually agreed, through February 29, 2020, to limit transfer agency, shareholder servicing, sub-transfer agency, and blue sky fees, as applicable, to the extent that such fees cause the Total Annual Fund Operating Expenses to exceed 2.28% of average daily net assets for Class B shares, 1.14% of average daily net assets for Class Q shares, or 1.78% of average daily net assets for Class R shares. This contractual expense limitation excludes interest, brokerage, taxes (such as income and foreign withholding taxes, stamp duty and deferred tax expenses), acquired fund fees and expenses, extraordinary expenses, and certain other Fund expenses such as dividend and interest expense and broker charges on short sales. Fees and/or expenses waived and/or reimbursed by PGIM Investments may be recouped by PGIM Investments within the same fiscal year during which such waiver and/or reimbursement is made if such recoupment can be realized without exceeding the expense limit in effect at the time of the recoupment for that fiscal year. This expense limitation may not be terminated prior to February 29, 2020, without the prior approval of the Fund's Board of Trustees.
[3] The distributor has contractually agreed through February 28, 2019 to reduce its distribution and service (12b-1) fees for Class A shares to an annual rate of .25% of the average daily net assets of Class A shares and its distribution and service (12b-1) fees for Class R shares to an annual rate of .50% of the average daily net assets of Class R shares. These waivers may not be terminated prior to February 28, 2019 without the prior approval of the Fund’s Board of Trustees.
[4] Direct Transfer Agent Accounts holding under $10,000 of Class Z shares are subject to the $15 fee.
[5] Prior to this year, the annual returns bar chart displayed returns for the Fund’s Class A shares. The Fund now shows annual returns for Class Z shares in light of the relative growth of assets in this share class.