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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName PRUDENTIAL INVESTMENT PORTFOLIOS 16
Prospectus Date rr_ProspectusDate Sep. 30, 2013
TARGET CONSERVATIVE ALLOCATION FUND
  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading TARGET CONSERVATIVE ALLOCATION FUND
FUND SUMMARY
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVES
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The investment objectives of the Fund are to provide current income and a reasonable level of 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 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 36 of the Fund's Prospectus and in Rights of Accumulation on page 66 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 November 30, 2014
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 210% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 210.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts 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.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 25,000
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 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
Expense Example Closing [Text Block] rr_ExpenseExampleClosingTextBlock ° The distributor of the Fund has contractually agreed through November 30, 2014 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 November 30, 2014. The decision on whether to renew, modify or terminate the waivers is subject to review by the distributor and the Fund’s Board of Trustees.
Strategy [Heading] rr_StrategyHeading INVESTMENTS, RISKS AND PERFORMANCE

Principal Investment Strategies.
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund is designed for investors who want investment professionals to make their asset allocation decisions in light of their personal investment goals and risk tolerance. The Fund pursues its investment objectives by investing in a mix of equity and fixed-income securities that may be appropriate for investors, such as those in early retirement, who need to draw income from investments while obtaining a measure of long-term capital growth as a hedge against inflation.

The risk/return balance of the Fund depends upon the proportion of assets it allocates to different types of investments. Higher risk does not always result in higher returns. The Manager (Prudential Investments LLC) has developed an asset allocation strategy for the Fund designed to provide a mix of investment types and styles that is appropriate for investors with a conservative investment orientation. The Fund's focus on bonds for greater stability of principal also makes it suitable for conservative investors seeking income and modest growth, especially those concerned about market volatility.

The Manager has contracted with several subadvisers to manage the assets of the Fund. Each subadviser manages a portion of the Fund's assets, focusing on a particular type and style of investing. The Manager monitors the performance of the Fund's subadvisers and allocates the Fund's assets among its subadvisers.

The Manager believes that its asset allocation strategy and multi-subadviser approach will enhance the performance of the Fund and minimize its volatility. First, the Manager has identified a select group of experienced subadvisers. Although each subadviser will focus the management of its Fund segment on a particular type and style of investing, the Manager believes that the combined efforts of several subadvisers will result in a prudently diversified Fund. Secondly, the Manager believes that, at any given time, certain investment types and styles will generate higher returns than others. Accordingly, the Manager believes that diversifying the Fund among a variety of investment types and styles will reduce volatility relative to the price movements of a single asset class.

Please see How the Fund Invests in this Prospectus for specific information on each subadviser, the Fund segments managed by each subadviser and the allocations among subadvisers as a percentage of long-term investments. The allocations among subadvisers are reviewed by the Manager periodically, and the allocations among subadvisers may be altered or adjusted by the Manager without prior notice to shareholders. Such adjustments will be reflected in an annual update to this Prospectus.

In response to market developments, the Manager may rebalance the allocation of the Fund's assets or may add or eliminate Fund segments in accordance with the Fund's investment objective and the investment policies of the Fund. While we make every effort to achieve the Fund's objectives, we can't guarantee success.
Risk [Heading] rr_RiskHeading Principal Risks of Investing in the Fund.
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock 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.

Recent Market Events. 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.

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.

Market Risk for Common Stocks. Since the Fund invests in common stocks, there is the risk that the price of a particular stock owned by the Fund could go down. Generally, the stock price of large companies is more stable than the stock price of smaller companies, but this is not always the case. In addition to an individual stock losing value, the value of a market sector or of the equity market as a whole could go down. In addition, different parts of a market can react differently to adverse issuer, market, regulatory, political and economic developments.

Small- and Medium-Size Company Risk. The Fund invests in stocks of small-size ("small-cap") companies. In addition, each of the subadvisers that invests in stocks may from time to time invest in stocks of medium-size ("mid-cap") companies. Mid-cap companies are similar to those found in the Russell MidCap Index, a market capitalization weighted index of common stocks designed to track the performance of mid-cap companies. Small- and mid-cap companies usually offer a smaller range of products and services than larger companies. They may also have limited financial resources and may lack management depth. As a result, the prices of stocks issued by small- and mid-cap companies tend to fluctuate more than the stocks of larger, more established companies.

Style Risk. Since some of the Fund segments focus on either a growth or value style, there is the risk that a particular style may be out of favor for a period of time.

Political Developments. Political developments may adversely affect the value of the Fund's foreign securities.

Foreign Market Risk. Investing in foreign securities involves more risk than investing in securities of U.S. issuers. Foreign markets-especially emerging markets-tend to be more volatile than U.S. markets and are generally not subject to regulatory requirements comparable to those in the U.S.

Currency Risk. Changes in currency exchange rates may affect the value of foreign securities held by the Fund and the amount of income available for distribution. If a foreign currency grows weaker relative to the U.S. dollar, the value of securities denominated in that foreign currency generally decreases in terms of U.S. dollars. If the Fund does not correctly anticipate changes in exchange rates, certain hedging activities may also cause the Fund to lose money and reduce the amount of income available for distribution.

Derivatives Risk. The Fund may use derivatives including swaps, options and futures as a principal investment strategy to improve its returns or to protect its assets. When used for hedging purposes, derivatives may not fully offset or match the Fund's underlying positions and this could result in losses to the Fund that would not otherwise have occurred.

Leverage Risk. The Fund may borrow from banks or through reverse repurchase agreements and dollar rolls to take advantage of investment opportunities. This is known as using "leverage." If the Fund borrows money to purchase securities and those securities decline in value, then the value of the Fund's shares will decline faster than if the Fund were not leveraged.

Management Risk. Actively managed mutual funds are subject to management risk. The subadvisers 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 subadvisers may underperform the markets in general, the Fund's benchmark and other mutual funds with similar investment objectives.

Liquidity Risk. The Fund may invest to a greater degree in securities that trade in lower volumes and may make investments that may be less liquid than other investments. Also, the Fund may make investments that may become less liquid in response to market developments or adverse investor perceptions. 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 security 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.

Interest Rate Risk. Debt obligations with longer maturities typically offer higher yields, but are subject to greater price shifts as a result of interest rate changes than debt obligations with shorter maturities. The prices of debt obligations generally move in the opposite direction to that of market interest rates.

Market Risk for Debt Obligations. Debt obligations are subject to market risk, which is the possibility that the market value of an investment may move up or down and that its movement may occur quickly or unpredictably. Market risk may affect an industry, a sector or the entire market.

Credit Risk. The debt obligations in which the Fund invests are generally subject to the risk that the issuer may be unable to make principal and interest payments when they are due. The Fund may invest in below-investment-grade securities—also known as “junk bonds”—which have a higher risk of default and tend to be less liquid than higher-rated securities. The Fund may also invest in debt obligations of foreign issuers. Investing in foreign securities presents additional risks.

Prepayment Risk. The Fund may invest in mortgage-related securities and asset-backed securities, which are subject to prepayment risk. If these securities are prepaid, the Fund may have to replace them with lower-yielding securities. Stripped mortgage-backed securities are generally more sensitive to changes in prepayment and interest rates than other mortgage-related securities.

Portfolio Turnover Risk. The length of time the Fund has held a particular security is not generally a consideration in investment decisions. Under certain market conditions, the Fund’s turnover rate may be higher than that of other mutual funds. Portfolio turnover generally involves some expense to the Fund, including brokerage commissions or dealer mark-ups and other transaction costs on the sale of securities and reinvestment in other securities. These transactions may result in realization of taxable capital gains. The trading costs and tax effects associated with portfolio turnover may adversely affect the Fund’s investment performance.

For more information on the risks of investing in this Fund, please see How the Fund Invests—Investment Risks in the Prospectus and Investment Risks and Considerations in the SAI.
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 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;
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading The Fund's Past Performance.
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock 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.

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.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns 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.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.prudentialfunds.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 A Shares)1
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads 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.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter: Worst Quarter:
9.80% 3 rd Quarter 2009 -7.94% 4 th Quarter 2008
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns % (including sales charges) (as of 12-31-12)
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 A 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 A shares. After-tax returns for other classes will vary due to differing sales charges and expenses.
TARGET CONSERVATIVE ALLOCATION 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) 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 0.52%
= Total annual Fund operating expenses rr_ExpensesOverAssets 1.57%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%)
= Net annual Fund operating expenses rr_NetExpensesOverAssets 1.52%
1 Year rr_ExpenseExampleYear01 696
3 Years rr_ExpenseExampleYear03 1,014
5 Years rr_ExpenseExampleYear05 1,354
10 Years rr_ExpenseExampleYear10 2,311
1 Year rr_ExpenseExampleNoRedemptionYear01 696
3 Years rr_ExpenseExampleNoRedemptionYear03 1,014
5 Years rr_ExpenseExampleNoRedemptionYear05 1,354
10 Years rr_ExpenseExampleNoRedemptionYear10 2,311
2003 rr_AnnualReturn2003 20.08% [1]
2004 rr_AnnualReturn2004 8.76% [1]
2005 rr_AnnualReturn2005 4.55% [1]
2006 rr_AnnualReturn2006 7.02% [1]
2007 rr_AnnualReturn2007 6.93% [1]
2008 rr_AnnualReturn2008 (18.27%) [1]
2009 rr_AnnualReturn2009 17.62% [1]
2010 rr_AnnualReturn2010 10.47% [1]
2011 rr_AnnualReturn2011 1.78% [1]
2012 rr_AnnualReturn2012 10.72% [1]
Year to Date Return, Label rr_YearToDateReturnLabel The total return for Class A shares from January 1, 2013 to June 30, 2013
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2013
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 3.49%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 9.80%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (7.94%)
One Year rr_AverageAnnualReturnYear01 4.63%
Five Years rr_AverageAnnualReturnYear05 2.49%
Ten Years rr_AverageAnnualReturnYear10 5.86%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION 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) 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 0.52%
= Total annual Fund operating expenses rr_ExpensesOverAssets 2.27%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 2.27%
1 Year rr_ExpenseExampleYear01 730
3 Years rr_ExpenseExampleYear03 1,009
5 Years rr_ExpenseExampleYear05 1,315
10 Years rr_ExpenseExampleYear10 2,347
1 Year rr_ExpenseExampleNoRedemptionYear01 230
3 Years rr_ExpenseExampleNoRedemptionYear03 709
5 Years rr_ExpenseExampleNoRedemptionYear05 1,215
10 Years rr_ExpenseExampleNoRedemptionYear10 2,347
One Year rr_AverageAnnualReturnYear01 4.84%
Five Years rr_AverageAnnualReturnYear05 2.70%
Ten Years rr_AverageAnnualReturnYear10 5.66%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION 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) 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 0.52%
= Total annual Fund operating expenses rr_ExpensesOverAssets 2.27%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 2.27%
1 Year rr_ExpenseExampleYear01 330
3 Years rr_ExpenseExampleYear03 709
5 Years rr_ExpenseExampleYear05 1,215
10 Years rr_ExpenseExampleYear10 2,605
1 Year rr_ExpenseExampleNoRedemptionYear01 230
3 Years rr_ExpenseExampleNoRedemptionYear03 709
5 Years rr_ExpenseExampleNoRedemptionYear05 1,215
10 Years rr_ExpenseExampleNoRedemptionYear10 2,605
One Year rr_AverageAnnualReturnYear01 8.95%
Five Years rr_AverageAnnualReturnYear05 2.88%
Ten Years rr_AverageAnnualReturnYear10 5.66%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION 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) 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 0.52%
= Total annual Fund operating expenses rr_ExpensesOverAssets 2.02%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.25%)
= Net annual Fund operating expenses rr_NetExpensesOverAssets 1.77%
1 Year rr_ExpenseExampleYear01 180
3 Years rr_ExpenseExampleYear03 609
5 Years rr_ExpenseExampleYear05 1,065
10 Years rr_ExpenseExampleYear10 2,328
1 Year rr_ExpenseExampleNoRedemptionYear01 180
3 Years rr_ExpenseExampleNoRedemptionYear03 609
5 Years rr_ExpenseExampleNoRedemptionYear05 1,065
10 Years rr_ExpenseExampleNoRedemptionYear10 2,328
One Year rr_AverageAnnualReturnYear01 10.47%
Five Years rr_AverageAnnualReturnYear05 3.42%
Ten Years rr_AverageAnnualReturnYear10   
Since Inception rr_AverageAnnualReturnSinceInception 4.80%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 04, 2004
TARGET CONSERVATIVE ALLOCATION FUND | Class X
  
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) rr_MaximumDeferredSalesChargeOverOther 6.00%
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 0.52%
= Total annual Fund operating expenses rr_ExpensesOverAssets 2.27%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 2.27%
1 Year rr_ExpenseExampleYear01 830
3 Years rr_ExpenseExampleYear03 1,109
5 Years rr_ExpenseExampleYear05 1,515
10 Years rr_ExpenseExampleYear10 2,605
1 Year rr_ExpenseExampleNoRedemptionYear01 230
3 Years rr_ExpenseExampleNoRedemptionYear03 709
5 Years rr_ExpenseExampleNoRedemptionYear05 1,215
10 Years rr_ExpenseExampleNoRedemptionYear10 2,605
One Year rr_AverageAnnualReturnYear01 3.84%
Five Years rr_AverageAnnualReturnYear05 2.38%
Ten Years rr_AverageAnnualReturnYear10   
Since Inception rr_AverageAnnualReturnSinceInception 4.29%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 04, 2004
TARGET CONSERVATIVE ALLOCATION 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) 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 0.52%
= Total annual Fund operating expenses rr_ExpensesOverAssets 1.27%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 1.27%
1 Year rr_ExpenseExampleYear01 129
3 Years rr_ExpenseExampleYear03 403
5 Years rr_ExpenseExampleYear05 697
10 Years rr_ExpenseExampleYear10 1,534
1 Year rr_ExpenseExampleNoRedemptionYear01 129
3 Years rr_ExpenseExampleNoRedemptionYear03 403
5 Years rr_ExpenseExampleNoRedemptionYear05 697
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,534
One Year rr_AverageAnnualReturnYear01 11.05%
Five Years rr_AverageAnnualReturnYear05 3.94%
Ten Years rr_AverageAnnualReturnYear10 6.73%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION FUND | Return After Taxes on Distributions | Class A
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 4.37%
Five Years rr_AverageAnnualReturnYear05 1.67%
Ten Years rr_AverageAnnualReturnYear10 4.74%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION FUND | Return After Taxes on Distribution and Sale of Fund Shares | Class A
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 3.20%
Five Years rr_AverageAnnualReturnYear05 1.68%
Ten Years rr_AverageAnnualReturnYear10 4.55%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION FUND | Customized Blend Index (reflects no deduction for fees, expenses or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 9.11%
Five Years rr_AverageAnnualReturnYear05 4.86%
Ten Years rr_AverageAnnualReturnYear10 6.49%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION FUND | S&P 500 Index (reflects no deduction for fees, expenses or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 15.99%
Five Years rr_AverageAnnualReturnYear05 1.66%
Ten Years rr_AverageAnnualReturnYear10 7.10%
Since Inception rr_AverageAnnualReturnSinceInception   
TARGET CONSERVATIVE ALLOCATION FUND | Lipper Mixed-Asset Target Allocation Conservative Funds Average (reflects no deduction for sales charges or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 9.37%
Five Years rr_AverageAnnualReturnYear05 3.84%
Ten Years rr_AverageAnnualReturnYear10 5.58%
Since Inception rr_AverageAnnualReturnSinceInception   
[1] 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 distribution and service (12b-1) fee waiver, the annual returns would have been lower, too. The total return for Class A shares from January 1, 2013 to June 30, 2013 was 3.49%.