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Risk Return Abstract rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName Prudential Global Total Return Fund, Inc.
Prospectus Date rr_ProspectusDate Dec. 30, 2022
PGIM Global Total Return Fund  
Risk Return Abstract rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading <span style="color:#545454;font-family:Arial;font-size:13.58pt;">FUND SUMMARY</span>
Objective [Heading] rr_ObjectiveHeading <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;text-transform:uppercase;">INVESTMENT OBJECTIVE</span>
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund's investment objective is to seek total return, made up of current income and capital appreciation.
Expense [Heading] rr_ExpenseHeading <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;text-transform:uppercase;">FUND FEES AND EXPENSES</span>
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The tables below describe the sales charges, fees and expenses that you may pay if you buy, hold, and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may be required to pay commissions to a broker for transactions in Class Z shares, which are not reflected in the table or the example below. You may qualify for sales charge discounts if you and an eligible group of related investors purchase, or agree to purchase in the future, $100,000 or more in shares of the Fund or other funds in the PGIM Funds family. 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 34 of the Fund's Prospectus, Appendix A: Waivers and Discounts Available From Certain Financial Intermediaries on page 56 of the Fund's Prospectus and in Rights of Accumulation on page 68 of the Fund's Statement of Additional Information (“SAI”).
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption <span style="color:#000000;font-family:Arial;font-size:7.76pt;font-weight:bold;margin-left:3pt;">Shareholder Fees (fees paid directly from your investment)</span>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <span style="color:#000000;font-family:Arial;font-size:7.76pt;font-weight:bold;margin-left:3pt;">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</span>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination <span style="font-family:Arial;font-size:7.76pt;">February </span><span style="font-family:Arial;font-size:7.76pt;">29, 2024</span>
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading <span style="font-family:Arial;font-size:9.70pt;font-weight:bold;">Portfolio Turnover. </span>
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 13% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 13.00%
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock Investors who purchase $500,000 or more of Class A shares and sell these shares within 12 months of purchase are also subject to a contingent deferred sales charge (“CDSC”) of 1.00%, although they are not subject to an initial sales charge. The CDSC is waived for certain retirement and/or benefit plans.Class C shares are sold with a CDSC of 1.00% on sales made within 12 months of purchase.
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts <span style="color:#000000;font-family:Arial;font-size:9.70pt;"> You may qualify for sales charge discounts if you and an eligible group of related investors purchase, or agree to purchase in the future, </span><span style="color:#000000;font-family:Arial;font-size:9.70pt;">$100,000</span><span style="color:#000000;font-family:Arial;font-size:9.70pt;"> or more in shares of the Fund or other funds in the PGIM Funds family.</span>
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Expense Example [Heading] rr_ExpenseExampleHeading <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;">Example. </span>
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 <span style="color:#000000;font-family:Arial;font-size:7.76pt;font-weight:bold;margin-left:3pt;">If Shares Are Redeemed</span>
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption <span style="color:#000000;font-family:Arial;font-size:7.76pt;font-weight:bold;margin-left:3pt;">If Shares Are Not Redeemed</span>
Strategy [Heading] rr_StrategyHeading <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;text-transform:uppercase;">INVESTMENTS, RISKS AND PERFORMANCE</span><span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;">Principal Investment Strategies. </span>
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund seeks investments that will increase in value, as well as pay the Fund interest and other income. The Fund generally invests in global developed market sovereign, corporate, mortgage-related, and asset-backed debt securities. The Fund may also invest in the debt securities of emerging market sovereign, quasi-sovereign, and corporate issuers.The Fund may invest in countries anywhere in the world, and normally invests at least 65% of its total assets in income-producing debt securities of U.S. and foreign corporations and governments, supranational organizations, semi-governmental entities or government agencies, authorities or instrumentalities, investment-grade U.S. or foreign mortgage-related securities, asset-backed securities (including collateralized debt obligations and collateralized loan obligations), and U.S. or foreign short-term and long-term bank debt securities or bank deposits.The Fund can invest in securities of developed countries and in developing or emerging market countries that the subadviser believes are stable. The Fund generally considers emerging market countries to be countries included in the JP Morgan Emerging Markets Bond Index Global Diversified Index, the JP Morgan Government Bond Index-Emerging Markets Global Diversified Index, the JP Morgan Emerging Local Markets Index Plus or the JP Morgan Corporate Emerging Markets Bond Index Broad Diversified. The Fund may invest in debt securities that are denominated in U.S. dollars or foreign currencies. The Fund may invest up to 35% of its total assets in speculative, lower-rated securities, also known as “junk” bonds, and unrated securities, including unrated securities that the subadviser determines are of comparable quality to below investment grade securities.In managing the Fund’s assets, the subadviser uses a combination of top-down economic analysis and bottom-up research in conjunction with proprietary quantitative models and risk management systems. In the top-down economic analysis, the subadviser develops views on economic, policy and market trends. In its bottom-up research, the subadviser develops an internal rating and outlook on issuers. The rating and outlook are determined based on a thorough review of the financial health and trends of the issuer. The subadviser may also consider investment factors such as expected total return, yield, spread and potential for price appreciation as well as credit quality, maturity and risk. The Fund may invest in a security based upon the expected total return rather than the yield of such security. The subadviser’s approach to global investing focuses on country and currency selection. The subadviser looks at fundamentals to identify relative value.The Fund may invest in bonds of any duration. Duration measures the potential volatility of the price of a portfolio of bonds prior to maturity. The Fund also uses derivatives to manage its duration, as well as to manage its foreign currency exposure, to hedge against losses, and to try to improve returns.
Risk [Heading] rr_RiskHeading <span style="font-family:Arial;font-size:9.70pt;font-weight:bold;">Principal Risks. </span>
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock All investments have risks to some degree. The value of your investment in the Fund, as well as the amount of return you receive on your investment, may fluctuate significantly from day-to-day and over time.You may lose part or all of your investment in the Fund or your investment may not perform as well as other similar investments.An investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; and is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The following is a summary description of principal risks of investing in the Fund.The order of the below risk factors does not indicate the significance of any particular risk factor.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, fixed income 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 lower the credit quality of a bond, the more sensitive it is to credit risk.Currency Risk. The Fund's net asset value could decline as a result of changes in exchange rates, which could adversely affect the Fund’s investments in currencies, or in securities that trade in, and receive revenues related to, currencies, or in derivatives that provide exposure to currencies. 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.Debt Obligations Risk. Debt obligations 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 bond market movements. The value of bonds may decline for issuer-related reasons, including management performance, financial leverage and reduced demand for the issuer’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 not be able to reinvest at the same rate of interest and therefore would earn less income.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” or may create economic leverage for the Fund 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 use of derivatives also exposes the Fund to operational issues, such as documentation and settlement issues, systems failures, inadequate control and human error.Derivatives may also involve legal risks, such as insufficient documentation, the lack of capacity or authority of a counterparty to execute or settle a transaction, and the legality and enforceability of derivatives contracts. The U.S. Government and foreign governments have adopted (and may adopt further) regulations governing derivatives markets, including mandatory clearing of certain derivatives, margin and reporting requirements and risk exposure limitations. Regulation of derivatives may make derivatives more costly, limit their availability or utility to the Fund, or otherwise adversely affect their performance or disrupt markets.Economic and Market Events Risk. Events in the U.S. and global financial markets, including actions taken by the U.S. Federal Reserve or foreign central banks to stimulate or stabilize economic growth or the functioning of the securities markets, or otherwise reduce inflation may at times result in unusually high market volatility, which could negatively impact performance. Governmental efforts to curb inflation often have negative effects on the level of economic activity. Relatively reduced liquidity in credit and fixed income markets could adversely affect issuers worldwide.Emerging Markets Risk. The risks of foreign investments are greater for investments in or exposed to 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 price volatility. Emerging market countries may have policies that restrict investment by non-U.S. investors, or that prevent non-U.S. investors from withdrawing their money at will.The Fund may invest in some emerging markets that subject it to risks such as those associated with illiquidity, custody of assets, different settlement and clearance procedures and asserting legal title under a developing legal and regulatory regime to a greater degree than in developed markets or even in other emerging markets.Foreign Securities Risk. Investments in securities of non-U.S. issuers (including those denominated in U.S. dollars) may involve more risk than investing in securities of U.S. issuers. Foreign political, economic and legal systems, especially those in developing and emerging market countries, may be less stable and more volatile than in the United States. Foreign legal systems generally have fewer regulatory requirements than the U.S. legal system, particularly those of emerging markets. In general, less information is publicly available with respect to non-U.S. companies than U.S. companies. Non-U.S. companies generally are not subject to the same accounting, auditing, and financial reporting standards as are U.S. companies. Additionally, the changing value of foreign currencies and changes in exchange rates could also affect the value of the assets the Fund holds and the Fund's performance. 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. Investments in emerging markets are subject to greater volatility and price declines.In addition, the Fund's investments in non-U.S. securities may be subject to the risks of nationalization or expropriation of assets, imposition of currency exchange controls or restrictions on the repatriation of non-U.S. currency, confiscatory taxation and adverse diplomatic developments. Special U.S. tax considerations may apply.Increase in Expenses Risk. 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.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 debt securities. Similarly, a rise in interest rates may also have a greater negative impact on the value of equity securities whose issuers expect earnings further out in the future. For example, a fixed income security with a duration of three years is expected to decrease in value by approximately 3% if interest rates increase by 1%. This is referred to as “duration risk.” 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.”The Fund may lose money if short-term or long-term interest rates rise sharply or in a manner not anticipated by the subadviser.Junk Bonds Risk. High-yield, high-risk bonds have predominantly speculative characteristics, including particularly high credit risk. Junk bonds tend to have lower market liquidity 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.Large Shareholder and Large Scale Redemption Risk. Certain individuals, accounts, funds (including funds affiliated with the Manager) or institutions, including the Manager and its affiliates, may from time to time own or control a substantial amount of the Fund’s shares. There is no requirement that these entities maintain their investment in the Fund. There is a risk that such large shareholders or that the Fund’s shareholders generally may redeem all or a substantial portion of their investments in the Fund in a short period of time, which could have a significant negative impact on the Fund’s NAV, liquidity, and brokerage costs. Large redemptions could also result in tax consequences to shareholders and impact the Fund’s ability to implement its investment strategy. The Fund’s ability to pursue its investment objective after one or more large scale redemptions may be impaired and, as a result, the Fund may invest a larger portion of its assets in cash or cash equivalents.Liquidity Risk. Liquidity risk is the risk that the Fund could not meet requests to redeem shares issued by the Fund without significant dilution of remaining investors' interests in the Fund. The Fund may invest in instruments that trade in lower volumes and are more illiquid than other investments. 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.Management Risk. Actively managed funds are subject to management risk. The subadviser will apply investment techniques and risk analyses in making investment decisions for the Fund, but the subadviser’s judgments about the attractiveness, value or market trends affecting a particular security, industry or sector or about market movements may be incorrect. Additionally, the investments selected for the Fund may underperform the markets in general, the Fund's benchmark and other funds with similar investment objectives.Market Disruption and Geopolitical Risks. Market disruption can be caused by economic, financial or political events and factors, including but not limited to, international wars or conflicts (including Russia’s military invasion of Ukraine), geopolitical developments (including trading and tariff arrangements, sanctions and cybersecurity attacks), instability in regions such as Asia, Eastern Europe and the Middle East, terrorism, natural disasters and public health epidemics (including the outbreak of COVID-19 globally).The extent and duration of such events and resulting market disruptions cannot be predicted, but could be substantial and could magnify the impact of other risks to the Fund. These and other similar events could adversely affect the U.S. and foreign financial markets and lead to increased market volatility, reduced liquidity in the securities markets, significant negative impacts on issuers and the markets for certain securities and commodities and/or government intervention. They may also cause short- or long-term economic uncertainties in the United States and worldwide. As a result, whether or not the Fund invests in securities of issuers located in or with significant exposure to the countries directly affected, the value and liquidity of the Fund’s investments may be negatively impacted. Further, due to closures of certain markets and restrictions on trading certain securities, the value of certain securities held by the Fund could be significantly impacted, which could lead to such securities being valued at zero.COVID-19 and the related governmental and public responses have had and may continue to have an impact on the Fund’s investments and net asset value and have led and may continue to lead to increased market volatility and the potential for illiquidity in certain classes of securities and sectors of the market. They have also had and may continue to result in periods of business disruption, business closures, inability to obtain raw materials, supplies and component parts, and reduced or disrupted operations for the issuers in which the Fund invests. The occurrence, reoccurrence and pendency of public health epidemics could adversely affect the economies and financial markets either in specific countries or worldwide.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.Mortgage-Backed and Asset-Backed Securities Risk. Mortgage-backed and asset-backed securities 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 securities in lower-yielding investments.Reference Rate Risk. The Fund may be exposed to financial instruments that are tied to the London Interbank Offered Rate (“LIBOR”) to determine payment obligations, financing terms, hedging strategies or investment value.The United Kingdom's Financial Conduct Authority announced a phase out of LIBOR such that after June 30, 2023, the overnight, 1-month, 3-month, 6-month and 12-month U.S. dollar LIBOR settings will cease to be published or will no longer be representative. All other LIBOR settings and certain other interbank offered rates, such as the Euro Overnight Index Average (“EONIA”), ceased to be published or representative after December 31, 2021. The Fund may have investments linked to other interbank offered rates that may also cease to be published in the future. Various financial industry groups have been planning for the transition away from LIBOR, but there remain challenges to converting certain securities and transactions to a new reference rate (e.g., the Secured Overnight Financing Rate (“SOFR”), which is intended to replace the U.S. dollar LIBOR).Neither the effect of the LIBOR transition process nor its ultimate success can yet be known. The transition process might lead to increased volatility and illiquidity in markets for instruments whose terms currently include LIBOR as well as loan facilities used by the Fund. While some existing LIBOR-based instruments may contemplate a scenario where LIBOR is no longer available by providing for an alternative rate-setting methodology, there may be significant uncertainty regarding the effectiveness of any such alternative methodologies to replicate LIBOR. Not all existing LIBOR-based instruments may have alternative rate-setting provisions and there remains uncertainty regarding the willingness and ability of issuers to add alternative rate-setting provisions in certain existing instruments. Global regulators have advised market participants to cease entering into new contracts using LIBOR as a reference rate, and it is possible that investments in LIBOR-based instruments could invite regulatory scrutiny. There may also be challenges for the Fund to enter into hedging transactions against such newly-issued instruments until a market for such hedging transactions develops. All of the aforementioned may adversely affect the Fund's performance or net asset value.U.S. Government and Agency Securities Risk. U.S. Government and agency securities are subject to market risk, interest rate risk and credit risk. Not all U.S. Government securities are insured or guaranteed by the full faith and credit of the U.S. Government; some are only insured or guaranteed by the issuing agency, which must rely on its own resources to repay the debt. Some agency securities carry no guarantee whatsoever and the risk of default associated with these securities would be borne by the Fund. The maximum potential liability of the issuers of some U.S. Government securities held by the Fund may greatly exceed their current resources, including their legal right to support from the U.S. Treasury. No assurance can be given that the U.S. Government would provide financial support to any such issuers if it is not obligated to do so by law. It is possible that these issuers will not have the funds to meet their payment obligations in the future. In addition, the value of U.S. Government securities may be affected by changes in the credit rating of the U.S. Government.
Risk Lose Money [Text] rr_RiskLoseMoney <span style="color:#000000;font-family:Arial;font-size:9.70pt;">You may lose part or all of your investment in the Fund or your investment may not perform as well as other similar investments.</span>
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution <span style="color:#000000;font-family:Arial;font-size:9.70pt;">An investment in the Fund is not guaranteed to achieve its investment objective; is not a deposit with a bank; and is not insured, endorsed or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.</span>
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;">Performance.</span>
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 Fund's average annual returns and also compares the Fund’s performance with the average annual total returns of an index or other benchmark. 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.Without the management fee waiver and/or expense reimbursement, if any, the annual total returns would have been lower. Updated Fund performance information, including current net asset value, is available online at www.pgim.com/investments.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns <span style="color:#000000;font-family:Arial;font-size:9.70pt;">The following table shows the Fund's average annual </span><span style="color:#000000;font-family:Arial;font-size:9.70pt;">returns and also compares the Fund’s performance with the average annual total returns of an index or other benchmark. The bar chart and table demonstrate the risk of investing in the Fund by showing how returns can change from year to year.</span>
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress <span style="color:#000000;font-family:Arial;font-size:9.70pt;">www.pgim.com/investments</span>
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture <span style="color:#000000;font-family:Arial;font-size:9.70pt;">Past performance (before and after taxes) does not mean that the Fund will achieve similar results in the future.</span>
Bar Chart [Heading] rr_BarChartHeading Annual Total Returns (Class Z Shares)1
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock Best Quarter:Worst Quarter:8.27%2nd Quarter 2020-7.73%4thQuarter 20161The total return for Class Z shares from January 1, 2022 toSeptember 30, 2022was-26.71%
Performance Table Heading rr_PerformanceTableHeading <span style="font-family:Arial;font-size:7.76pt;font-weight:bold;margin-left:3pt;">Average Annual Total Returns % (including sales charges) (as of 12-31-</span><span style="font-family:Arial;font-size:7.76pt;font-weight:bold;">21)</span>
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate <span style="color:#000000;font-family:Arial;font-size:7.76pt;">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.</span>
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred <span style="color:#000000;font-family:Arial;font-size:7.76pt;">After-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred </span><span style="color:#000000;font-family:Arial;font-size:7.76pt;">arrangements, such as 401(k) plans or individual retirement accounts.</span>
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown <span style="color:#000000;font-family:Arial;font-size:7.76pt;"> 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.</span>
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.
PGIM Global Total Return Fund | A  
Risk Return Abstract rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 3.25%
Maximum deferred sales charge (load) (as a percentage of the lower of the original purchase price or the net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther 1.00% [1]
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther
Redemption fee rr_RedemptionFeeOverRedemption
Exchange fee rr_ExchangeFeeOverRedemption
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee $ 15
Management fee rr_ManagementFeesOverAssets 0.49%
Distribution or distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Shareholder service fee rr_Component1OtherExpensesOverAssets none
Remainder of other expenses rr_Component2OtherExpensesOverAssets 0.19%
Other expenses: rr_OtherExpensesOverAssets 0.19%
Total annual Fund operating expenses rr_ExpensesOverAssets 0.93%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.88% [2]
1 Year rr_ExpenseExampleYear01 $ 412
3 Years rr_ExpenseExampleYear03 607
5 Years rr_ExpenseExampleYear05 818
10 Years rr_ExpenseExampleYear10 1,426
1 Year rr_ExpenseExampleNoRedemptionYear01 412
3 Years rr_ExpenseExampleNoRedemptionYear03 607
5 Years rr_ExpenseExampleNoRedemptionYear05 818
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,426
One Year rr_AverageAnnualReturnYear01 (9.21%)
Five Years rr_AverageAnnualReturnYear05 4.41%
Ten Years rr_AverageAnnualReturnYear10 3.51%
PGIM Global Total Return Fund | C  
Risk Return Abstract rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
Maximum deferred sales charge (load) (as a percentage of the lower of the original purchase price or the net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther 1.00% [3]
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther
Redemption fee rr_RedemptionFeeOverRedemption
Exchange fee rr_ExchangeFeeOverRedemption
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee $ 15
Management fee rr_ManagementFeesOverAssets 0.49%
Distribution or distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Shareholder service fee rr_Component1OtherExpensesOverAssets none
Remainder of other expenses rr_Component2OtherExpensesOverAssets 0.20%
Other expenses: rr_OtherExpensesOverAssets 0.20%
Total annual Fund operating expenses rr_ExpensesOverAssets 1.69%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.06%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.63% [2]
1 Year rr_ExpenseExampleYear01 $ 266
3 Years rr_ExpenseExampleYear03 527
5 Years rr_ExpenseExampleYear05 912
10 Years rr_ExpenseExampleYear10 1,791
1 Year rr_ExpenseExampleNoRedemptionYear01 166
3 Years rr_ExpenseExampleNoRedemptionYear03 527
5 Years rr_ExpenseExampleNoRedemptionYear05 912
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,791
One Year rr_AverageAnnualReturnYear01 (7.66%)
Five Years rr_AverageAnnualReturnYear05 4.36%
Ten Years rr_AverageAnnualReturnYear10 3.10%
PGIM Global Total Return Fund | Z  
Risk Return Abstract 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 the original purchase price or the 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 fee rr_ManagementFeesOverAssets 0.49%
Distribution or distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder service fee rr_Component1OtherExpensesOverAssets none
Remainder of other expenses rr_Component2OtherExpensesOverAssets 0.16%
Other expenses: rr_OtherExpensesOverAssets 0.16%
Total annual Fund operating expenses rr_ExpensesOverAssets 0.65%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.02%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.63% [2]
1 Year rr_ExpenseExampleYear01 $ 64
3 Years rr_ExpenseExampleYear03 206
5 Years rr_ExpenseExampleYear05 360
10 Years rr_ExpenseExampleYear10 809
1 Year rr_ExpenseExampleNoRedemptionYear01 64
3 Years rr_ExpenseExampleNoRedemptionYear03 206
5 Years rr_ExpenseExampleNoRedemptionYear05 360
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 809
2012 rr_AnnualReturn2012 13.22%
2013 rr_AnnualReturn2013 (2.06%)
2014 rr_AnnualReturn2014 4.29%
2015 rr_AnnualReturn2015 (2.99%)
2016 rr_AnnualReturn2016 2.83%
2017 rr_AnnualReturn2017 13.44%
2018 rr_AnnualReturn2018 (1.49%)
2019 rr_AnnualReturn2019 12.31%
2020 rr_AnnualReturn2020 9.99%
2021 rr_AnnualReturn2021 (5.88%)
Year to Date Return, Label rr_YearToDateReturnLabel <span style="font-family:Arial;font-size:5pt;margin-left:0.0pt;position:relative;top:-3.25pt;">1</span><span style="font-family:Arial;font-size:7.76pt;margin-left:0.0pt;">The total return for Class Z shares from January 1, 2022 to</span>
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Sep. 30, 2022
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (26.71%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;margin-left:0.00pt;">Best Quarter:</span>
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 8.27%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel <span style="color:#000000;font-family:Arial;font-size:9.70pt;font-weight:bold;margin-left:0.00pt;">Worst Quarter:</span>
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2016
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (7.73%)
One Year rr_AverageAnnualReturnYear01 (5.88%)
Five Years rr_AverageAnnualReturnYear05 5.38%
Ten Years rr_AverageAnnualReturnYear10 4.13%
PGIM Global Total Return Fund | R2  
Risk Return Abstract 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 the original purchase price or the 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 fee rr_ManagementFeesOverAssets 0.49%
Distribution or distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Shareholder service fee rr_Component1OtherExpensesOverAssets 0.10% [5]
Remainder of other expenses rr_Component2OtherExpensesOverAssets 0.45%
Other expenses: rr_OtherExpensesOverAssets 0.55%
Total annual Fund operating expenses rr_ExpensesOverAssets 1.29%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.21%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.08% [2]
1 Year rr_ExpenseExampleYear01 $ 110
3 Years rr_ExpenseExampleYear03 388
5 Years rr_ExpenseExampleYear05 687
10 Years rr_ExpenseExampleYear10 1,538
1 Year rr_ExpenseExampleNoRedemptionYear01 110
3 Years rr_ExpenseExampleNoRedemptionYear03 388
5 Years rr_ExpenseExampleNoRedemptionYear05 687
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,538
One Year rr_AverageAnnualReturnYear01 (6.38%)
Five Years rr_AverageAnnualReturnYear05
Ten Years rr_AverageAnnualReturnYear10
SinceInception rr_AverageAnnualReturnSinceInception 3.05%
InceptionDate rr_AverageAnnualReturnInceptionDate Dec. 27, 2017
PGIM Global Total Return Fund | R4  
Risk Return Abstract 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 the original purchase price or the 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 fee rr_ManagementFeesOverAssets 0.49%
Distribution or distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder service fee rr_Component1OtherExpensesOverAssets 0.10% [5]
Remainder of other expenses rr_Component2OtherExpensesOverAssets 0.27%
Other expenses: rr_OtherExpensesOverAssets 0.37%
Total annual Fund operating expenses rr_ExpensesOverAssets 0.86%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.03%)
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.83% [2]
1 Year rr_ExpenseExampleYear01 $ 85
3 Years rr_ExpenseExampleYear03 271
5 Years rr_ExpenseExampleYear05 474
10 Years rr_ExpenseExampleYear10 1,058
1 Year rr_ExpenseExampleNoRedemptionYear01 85
3 Years rr_ExpenseExampleNoRedemptionYear03 271
5 Years rr_ExpenseExampleNoRedemptionYear05 474
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,058
One Year rr_AverageAnnualReturnYear01 (6.00%)
Five Years rr_AverageAnnualReturnYear05
Ten Years rr_AverageAnnualReturnYear10
SinceInception rr_AverageAnnualReturnSinceInception 3.35%
InceptionDate rr_AverageAnnualReturnInceptionDate Dec. 27, 2017
PGIM Global Total Return Fund | R6  
Risk Return Abstract rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice
Maximum deferred sales charge (load) (as a percentage of the lower of the original purchase price or the net asset value at redemption) rr_MaximumDeferredSalesChargeOverOther
Maximum sales charge (load) imposed on reinvested dividends and other distributions rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther
Redemption fee rr_RedemptionFeeOverRedemption
Exchange fee rr_ExchangeFeeOverRedemption
Maximum account fee (accounts under $10,000) rr_MaximumAccountFee
Management fee rr_ManagementFeesOverAssets 0.49%
Distribution or distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Shareholder service fee rr_Component1OtherExpensesOverAssets none
Remainder of other expenses rr_Component2OtherExpensesOverAssets 0.04%
Other expenses: rr_OtherExpensesOverAssets 0.04%
Total annual Fund operating expenses rr_ExpensesOverAssets 0.53%
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets none
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.53% [2]
1 Year rr_ExpenseExampleYear01 $ 54
3 Years rr_ExpenseExampleYear03 170
5 Years rr_ExpenseExampleYear05 296
10 Years rr_ExpenseExampleYear10 665
1 Year rr_ExpenseExampleNoRedemptionYear01 54
3 Years rr_ExpenseExampleNoRedemptionYear03 170
5 Years rr_ExpenseExampleNoRedemptionYear05 296
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 665
One Year rr_AverageAnnualReturnYear01 (5.73%)
Five Years rr_AverageAnnualReturnYear05 5.43%
Ten Years rr_AverageAnnualReturnYear10
SinceInception rr_AverageAnnualReturnSinceInception 3.79%
InceptionDate rr_AverageAnnualReturnInceptionDate Feb. 03, 2012
PGIM Global Total Return Fund | Return After Taxes on Distributions | Z  
Risk Return Abstract rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 (7.18%)
Five Years rr_AverageAnnualReturnYear05 3.73%
Ten Years rr_AverageAnnualReturnYear10 2.81%
PGIM Global Total Return Fund | Return After Taxes on Distributions and Sale of Fund Shares | Z  
Risk Return Abstract rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 (3.47%)
Five Years rr_AverageAnnualReturnYear05 3.48%
Ten Years rr_AverageAnnualReturnYear10 2.66%
PGIM Global Total Return Fund | Bloomberg Global Aggregate Index  
Risk Return Abstract rr_RiskReturnAbstract  
One Year rr_AverageAnnualReturnYear01 (4.71%)
Five Years rr_AverageAnnualReturnYear05 3.36%
Ten Years rr_AverageAnnualReturnYear10 1.77%
[1] Investors who purchase $500,000 or more of Class A shares and sell these shares within 12 months of purchase are also subject to a contingent deferred sales charge (“CDSC”) of 1.00%, although they are not subject to an initial sales charge. The CDSC is waived for certain retirement and/or benefit plans.
[2] PGIM Investments LLC (“PGIM Investments”) has contractually agreed, through February 29, 2024, to limit Total Annual Fund Operating Expenses after fee waivers and/or expense reimbursements to 0.88% of average daily net assets for Class A shares, 1.63% of average daily net assets for Class C shares, 0.63% of average daily net assets for Class Z shares, 1.08% of average daily net assets for Class R2 shares, 0.83% of average daily net assets for Class R4 shares, and 0.58% of average daily net assets for Class R6 shares. This contractual waiver 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. Where applicable, PGIM Investments agrees to waive management fees or shared operating expenses on any share class to the same extent that it waives such expenses on any other share class. In addition, Total Annual Fund Operating Expenses for Class R6 shares will not exceed Total Annual Fund Operating Expenses for Class Z shares. Fees and/or expenses waived and/or reimbursed by PGIM Investments for the purpose of preventing the expenses from exceeding a certain expense ratio limit 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 waiver may not be terminated prior to February 29, 2024 without the prior approval of the Fund’s Board of Directors.
[3] Class C shares are sold with a CDSC of 1.00% on sales made within 12 months of purchase.
[4] Direct Transfer Agent Accounts holding under $10,000 of Class Z shares are subject to the $15 fee.
[5] “Shareholder service fee” reflects maximum allowable fees under a shareholder services plan.