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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName PRUDENTIAL INVESTMENT PORTFOLIOS 6
Prospectus Date rr_ProspectusDate Oct. 31, 2013
PRUDENTIAL CALIFORNIA MUNI INCOME FUND
  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading PRUDENTIAL CALIFORNIA MUNI INCOME FUND

FUND SUMMARY
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The investment objective of the Fund is to maximize current income that is exempt from California state and federal income taxes, consistent with the preservation of capital.
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, $100,000 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 Rights of Accumulation on page 51 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 December 31, 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 42% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 42.00%
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, $100,000 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 $ 100,000
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 December 31, 2014 to reduce its distribution and service (12b-1) fees for Class A shares to .25% of the average daily net assets of the Class A shares. This waiver may not be terminated by the distributor prior to December 31, 2014. The decision on whether to renew, modify or discontinue the waiver 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 invests primarily in California state and local municipal bonds, which are debt obligations or fixed income securities, including notes, commercial paper and other securities, as well as obligations of other issuers (such as issuers located in Puerto Rico, the Virgin Islands and Guam) that pay interest income that is exempt from California state and federal income taxes (collectively called "California obligations"). In conjunction with the Fund's investment objective, the Fund may invest in debt obligations with the potential for capital gain. The Fund may invest in California obligations the interest and/or principal payments on which are insured by bond insurers or other parties.

As a fundamental policy of the Fund, the Fund invests, under normal circumstances, so that at least 80% of the income from the Fund's investments will be exempt from California state and federal income taxes or the Fund will invest at least 80% of its investable assets in California obligations. The Fund's investments permitted by this policy may include certain municipal bonds, the interest on which is subject to the federal alternative minimum tax (AMT). The term "investable assets" refers to the Fund's net assets plus any borrowings for investment purposes. The Fund'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.

The Fund normally invests at least 70% of its investable assets in "investment grade" debt obligations. The Fund may also invest up to 30% of its investable assets in high yield municipal debt obligations or junk bonds.
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.

California Municipal Bonds. Because the Fund will concentrate its investments in California obligations, the Fund is more susceptible to economic, political and other developments that may adversely affect issuers of California obligations than a municipal bond fund that is not as geographically concentrated. These developments may include state or local legislation or policy changes, voter-passed initiatives, erosion of the tax base or reduction in revenues of the State or one or more local governments, the effects of terrorist acts or the threat of terrorist acts, the effects of possible natural disasters, or other economic or credit problems affecting the State generally or any individual locality (which may directly or indirectly affect the State as a whole, including those described in the SAI under "California Concentration"). By way of illustration, although California has a relatively diversified economy, California has concentrations in the computer services, software design, motion pictures and high technology manufacturing industries. The Fund, therefore, may be more susceptible to developments affecting those industries than a municipal bond fund that invests in obligations of several states. This example illustrates just one of the risks of investing in California obligations.

Municipal Bonds Risk. Municipal bonds are subject to credit risk, market risk and interest rate risk. The Fund's holdings, share price, yield and total return may also fluctuate in response to municipal bond market movements. Municipal bonds are also subject to the risk that potential future legislative changes could affect the market for and value of municipal bonds, which may adversely affect the Fund's yield or the value of the Fund's investments in municipal bonds. Certain municipal bonds with principal and interest payments that are made from the revenues of a specific project or facility, and not general tax revenues, may have increased risks. Factors affecting the project or facility, such as local business or economic conditions, could have a significant effect on the project's ability to make payments of principal and interest on these securities. Municipal securities of a particular state are vulnerable to events adversely affecting that state, including economic, political and regulatory occurrences, court decisions, terrorism and catastrophic natural disasters, such as hurricanes or earthquakes. Many municipal bonds are also subject to prepayment risk, which is the risk that when interest rates fall, issuers may redeem a security by repaying it early, which may reduce the Fund's income if the proceeds are reinvested at a lower interest rate. In addition, income from municipal bonds could be declared taxable because of non-compliant conduct of a bond issuer.

Insured Municipal Bonds Risk. The Fund may purchase municipal bonds that are insured to attempt to reduce credit risk. Although insurance coverage reduces credit risk by providing that the insurer will make timely payment of interest and/or principal, it does not provide protection against market fluctuations of insured bonds or fluctuations in the price of the shares of the Fund. An insured municipal bond fluctuates in value largely based on factors relating to the insurer's creditworthiness or ability to satisfy its obligations. The Fund cannot be certain that any insurance company will make the payments it guarantees.

Credit Risk. 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.

Interest Rate Risk. 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 "prepayment risk." 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 "extension risk."

Market Risk. The securities markets are 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.

Junk Bonds Risk. 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.

Management Risk. 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.

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 deductions for 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:
9.25% 3rd Quarter 2009 -5.13% 4th Quarter 2010
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 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 the indicated share class. 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 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.
PRUDENTIAL CALIFORNIA MUNI INCOME FUND | Class A
  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.00%
Maximum deferred sales charge (load) (as a percentage of the lower of original purchase price or sale proceeds) 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 0.50%
+ Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.30%
+ Other expenses rr_OtherExpensesOverAssets 0.16%
= Total annual Fund operating expenses rr_ExpensesOverAssets 0.96%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%)
= Net annual Fund operating expenses rr_NetExpensesOverAssets 0.91%
1 Year rr_ExpenseExampleYear01 489
3 Years rr_ExpenseExampleYear03 689
5 Years rr_ExpenseExampleYear05 905
10 Years rr_ExpenseExampleYear10 1,527
1 Year rr_ExpenseExampleNoRedemptionYear01 489
3 Years rr_ExpenseExampleNoRedemptionYear03 689
5 Years rr_ExpenseExampleNoRedemptionYear05 905
10 Years rr_ExpenseExampleNoRedemptionYear10 1,527
2003 rr_AnnualReturn2003 4.76% [1]
2004 rr_AnnualReturn2004 3.94% [1]
2005 rr_AnnualReturn2005 4.15% [1]
2006 rr_AnnualReturn2006 4.93% [1]
2007 rr_AnnualReturn2007 (2.12%) [1]
2008 rr_AnnualReturn2008 (6.47%) [1]
2009 rr_AnnualReturn2009 15.05% [1]
2010 rr_AnnualReturn2010 1.77% [1]
2011 rr_AnnualReturn2011 10.90% [1]
2012 rr_AnnualReturn2012 9.12% [1]
Year to Date Return, Label rr_YearToDateReturnLabel The total return for the Fund’s Class A shares from January 1, 2013 to September 30, 2013
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2013
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (3.90%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 9.25%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2010
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (5.13%)
One Year rr_AverageAnnualReturnYear01 4.75%
Five Years rr_AverageAnnualReturnYear05 4.93%
Ten Years rr_AverageAnnualReturnYear10 4.45%
PRUDENTIAL CALIFORNIA MUNI INCOME 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 a percentage of the lower of original purchase price or sale proceeds) 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 0.50%
+ Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
+ Other expenses rr_OtherExpensesOverAssets 0.16%
= Total annual Fund operating expenses rr_ExpensesOverAssets 1.16%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 1.16%
1 Year rr_ExpenseExampleYear01 618
3 Years rr_ExpenseExampleYear03 668
5 Years rr_ExpenseExampleYear05 738
10 Years rr_ExpenseExampleYear10 1,327
1 Year rr_ExpenseExampleNoRedemptionYear01 118
3 Years rr_ExpenseExampleNoRedemptionYear03 368
5 Years rr_ExpenseExampleNoRedemptionYear05 638
10 Years rr_ExpenseExampleNoRedemptionYear10 1,327
One Year rr_AverageAnnualReturnYear01 3.85%
Five Years rr_AverageAnnualReturnYear05 5.37%
Ten Years rr_AverageAnnualReturnYear10 4.62%
PRUDENTIAL CALIFORNIA MUNI INCOME 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 a percentage of the lower of original purchase price or sale proceeds) 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 0.50%
+ Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
+ Other expenses rr_OtherExpensesOverAssets 0.16%
= Total annual Fund operating expenses rr_ExpensesOverAssets 1.66%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 1.66%
1 Year rr_ExpenseExampleYear01 269
3 Years rr_ExpenseExampleYear03 523
5 Years rr_ExpenseExampleYear05 902
10 Years rr_ExpenseExampleYear10 1,965
1 Year rr_ExpenseExampleNoRedemptionYear01 169
3 Years rr_ExpenseExampleNoRedemptionYear03 523
5 Years rr_ExpenseExampleNoRedemptionYear05 902
10 Years rr_ExpenseExampleNoRedemptionYear10 1,965
One Year rr_AverageAnnualReturnYear01 7.31%
Five Years rr_AverageAnnualReturnYear05 5.17%
Ten Years rr_AverageAnnualReturnYear10 4.31%
PRUDENTIAL CALIFORNIA MUNI INCOME 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 a percentage of the lower of original purchase price or sale proceeds) 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 0.50%
+ Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
+ Other expenses rr_OtherExpensesOverAssets 0.16%
= Total annual Fund operating expenses rr_ExpensesOverAssets 0.66%
- Fee waiver or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
= Net annual Fund operating expenses rr_NetExpensesOverAssets 0.66%
1 Year rr_ExpenseExampleYear01 67
3 Years rr_ExpenseExampleYear03 211
5 Years rr_ExpenseExampleYear05 368
10 Years rr_ExpenseExampleYear10 822
1 Year rr_ExpenseExampleNoRedemptionYear01 67
3 Years rr_ExpenseExampleNoRedemptionYear03 211
5 Years rr_ExpenseExampleNoRedemptionYear05 368
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 822
One Year rr_AverageAnnualReturnYear01 9.40%
Five Years rr_AverageAnnualReturnYear05 6.09%
Ten Years rr_AverageAnnualReturnYear10 5.16%
PRUDENTIAL CALIFORNIA MUNI INCOME FUND | Return After Taxes on Distributions | Class A
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 4.75%
Five Years rr_AverageAnnualReturnYear05 4.87%
Ten Years rr_AverageAnnualReturnYear10 4.36%
PRUDENTIAL CALIFORNIA MUNI INCOME FUND | Return After Taxes on Distribution and Sale of Fund Shares | Class A
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 4.52%
Five Years rr_AverageAnnualReturnYear05 4.81%
Ten Years rr_AverageAnnualReturnYear10 4.38%
PRUDENTIAL CALIFORNIA MUNI INCOME FUND | Barclays Municipal Bond Index (reflects no deduction for fees, expenses or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 6.78%
Five Years rr_AverageAnnualReturnYear05 5.91%
Ten Years rr_AverageAnnualReturnYear10 5.10%
PRUDENTIAL CALIFORNIA MUNI INCOME FUND | Lipper California Municipal Debt Funds Average (reflects no deduction for sales charges or taxes)
  
Risk/Return: rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 10.22%
Five Years rr_AverageAnnualReturnYear05 5.50%
Ten Years rr_AverageAnnualReturnYear10 4.54%
[1] These annual total returns do not include deductions for 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 the Fund's Class A shares from January 1, 2013 to September 30, 2013 was -3.90%.