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Templeton Global Bond Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Templeton Global Bond Fund
Objective [Heading] rr_ObjectiveHeading Investment Goal
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

Current income with capital appreciation and growth of income.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

These tables describe the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees (including on Class R6 and Advisor Class shares), such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds and certain other funds distributed through Franklin Distributors, LLC, the Fund’s distributor. More information about these and other discounts is available from your financial professional and under “Your Account” on page 171 in the Fund’s Prospectus and under “Buying and Selling Shares” on page 87 of the Fund’s Statement of Additional Information. In addition, more information about sales charge discounts and waivers for purchases of shares through specific financial intermediaries is set forth in Appendix A – “Intermediary Sales Charge Discounts and Waivers” to the Fund’s prospectus.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees
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)
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 most recent fiscal year, the Fund's portfolio turnover rate was 30.80% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 30.80%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts in Class A if you and your family invest, or agree to invest in the future, at least $100,000 in Franklin Templeton funds and certain other funds distributed through Franklin Distributors, LLC, the Fund’s distributor.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Expense Example [Heading] rr_ExpenseExampleHeading Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of the period. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. The Example reflects adjustments made to the Fund's operating expenses due to the fee waivers and/or expense reimbursements by management for the 1 Year numbers only. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption If you do not sell your shares:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Under normal market conditions, the Fund invests at least 80% of its net assets in “bonds.” Under normal market conditions, the Fund seeks to maintain a positive overall portfolio duration. For purposes of the Fund’s 80% policy, bonds include derivative instruments or other investments that have economic characteristics similar to bonds. Bonds include debt obligations of any maturity, such as bonds, notes, bills and debentures.

The Fund invests predominantly in bonds issued by governments, government-related entities and government agencies located around the world. Bonds may be denominated and issued in the local currency or in another currency. The Fund may also invest in securities or structured products that are linked to or derive their value from another security, asset or currency of any nation. In addition, the Fund’s assets are invested in issuers located in at least three countries (including the U.S.). The Fund may invest without limit in developing markets.

The Fund is a "non-diversified" fund, which means it generally invests a greater portion of its assets in the securities of one or more issuers and invests overall in a smaller number of issuers than a diversified fund.

Although the Fund may buy bonds rated in any category, it focuses on "investment grade" bonds. These are issues rated in the top four rating categories by at least one independent rating agency, such as S&P Global Ratings (S&P®) or Moody's Investors Service (Moody's) or, if unrated, determined by the Fund's investment manager to be of comparable quality. The Fund may invest up to 25% of its total assets in bonds that are rated below investment grade or, if unrated determined by the investment manager to be of comparable quality. Generally, lower rated securities pay higher yields than more highly rated securities to compensate investors for the higher risk. The Fund may invest in debt securities of any maturity, and the average maturity of debt securities in the Fund’s portfolio will fluctuate depending on the investment manager’s outlook on changing market, economic, and political conditions.

For purposes of pursuing its investment goals, the Fund regularly enters into various currency related transactions involving derivative instruments, principally currency and cross currency forwards and currency options, but it may also use currency and currency index futures contracts. The Fund maintains extensive positions in currency related derivative instruments as a hedging technique or to

implement a currency investment strategy, which could expose a large amount of the Fund’s assets to obligations under these instruments. The results of such transactions may represent, from time to time, a large component of the Fund’s investment returns. The use of these derivative transactions may allow the Fund to obtain net long or net negative (short) exposure to selected currencies. For purposes of pursuing its investment goals, the Fund regularly enters into interest rate swaps and may also enter into various other transactions involving derivatives, including interest rate/bond futures and credit default swaps. These derivative instruments may be used for hedging purposes, to enhance returns, or to obtain net long or net negative (short) exposure to selected, interest rates, countries, durations or credit risks.

When choosing investments for the Fund, the investment manager allocates the Fund's assets based upon its assessment of changing market, political and economic conditions. It considers various factors, including evaluation of interest rates, currency exchange rate changes and credit risks. The investment manager may consider selling a security when it believes the security has become fully valued due to either its price appreciation or changes in the issuer's fundamentals, or when the investment manager believes another security is a more attractive investment opportunity.

The Fund may, at times, maintain a large position in cash and cash equivalents (including money market funds).
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal market conditions, the Fund invests at least 80% of its net assets in “bonds.
Risk [Heading] rr_RiskHeading Principal Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

The following bar chart and table provide some indication of the risks of investing in the Fund. The bar chart shows changes in the Fund's performance from year to year for Class A shares. The table shows how the Fund's average annual returns for 1 year, 5 years, 10 years or since inception, as applicable, compared with those of a broad measure of market performance and an additional index with characteristics relevant to the Fund. The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. You can obtain updated performance information at www.franklintempleton.com or by calling (800) DIAL BEN/342-5236.

Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone (800) DIAL BEN/342-5236
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress franklintempleton.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund's past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Class A Annual Total Returns
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads Sales charges are not reflected in the bar chart, and if those charges were included, returns would be less than those shown.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
   

Best Quarter:

2024, Q3

10.09%

Worst Quarter:

2024, Q4

-12.03%
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns (figures reflect sales charges) For periods ended December 31, 2024
Templeton Global Bond Fund | Principal Risks  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Principal Risks

You could lose money by investing in the Fund. Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.
Templeton Global Bond Fund | Risk Lose Money [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock You could lose money by investing in the Fund.
Templeton Global Bond Fund | Risk Not Insured [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Mutual fund shares are not deposits or obligations of, or guaranteed or endorsed by, any bank, and are not insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board, or any other agency of the U.S. government.
Templeton Global Bond Fund | Foreign Securities (non-U.S.)  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Foreign Securities (non-U.S.): Investing in foreign securities typically involves more risks than investing in U.S. securities, and includes risks associated with: (i) internal and external political and economic developments – e.g., the political, economic and social policies and structures of some foreign countries may be less stable and more volatile than those in the U.S. or some foreign countries may be subject to trading restrictions or economic sanctions; diplomatic and political developments could affect the economies, industries, and securities and currency markets of the countries in which the Fund is invested, which can include rapid and adverse political changes; social instability; regional conflicts; sanctions imposed by the United States, other nations or other governmental entities, including supranational entities; terrorism; and war; (ii) trading practices – e.g., government supervision and regulation of foreign securities and currency markets, trading systems and brokers may be less than in the U.S.; (iii) availability of information – e.g., foreign issuers may not be subject to the same disclosure, accounting and

financial reporting standards and practices as U.S. issuers; (iv) limited markets – e.g., the securities of certain foreign issuers may be less liquid (harder to sell) and more volatile; and (v) currency exchange rate fluctuations and policies – e.g., fluctuations may negatively affect investments denominated in foreign currencies and any income received or expenses paid by the Fund in that foreign currency. The risks of foreign investments may be greater in developing or emerging market countries.
Templeton Global Bond Fund | Currency Management Strategies  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Currency Management Strategies: Currency management strategies may substantially change the Fund’s exposure to currency exchange rates and could result in losses to the Fund if currencies do not perform as the investment manager expects. In addition, currency management strategies, to the extent that they reduce the Fund’s exposure to currency risks, also reduce the Fund’s ability to benefit from favorable changes in currency exchange rates. Using currency management strategies for purposes other than hedging further increases the Fund’s exposure to foreign investment losses. Currency markets generally are not as regulated as securities markets. In addition, currency rates may fluctuate significantly over short periods of time, and can reduce returns.
Templeton Global Bond Fund | Sovereign Debt Securities  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Sovereign Debt Securities: Sovereign debt securities are subject to various risks in addition to those relating to debt securities and foreign investments generally, including, but not limited to, the risk that a governmental entity may be unwilling or unable to pay interest and repay principal on its sovereign debt, or otherwise meet its obligations when due because of cash flow problems, insufficient foreign reserves, the relative size of the debt service burden to the economy as a whole, the government’s policy towards principal international lenders such as the International Monetary Fund, or the political considerations to which the government may be subject. If a sovereign debtor defaults (or threatens to default) on its sovereign debt obligations, the indebtedness may be restructured. Some sovereign debtors have in the past been able to restructure their debt payments without the approval of some or all debt holders or to declare moratoria on payments. In the event of a default on sovereign debt, the Fund may also have limited legal recourse against the defaulting government entity.
Templeton Global Bond Fund | Regional  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Regional: To the extent that the Fund invests a significant portion of its assets in a specific geographic region or a particular country, the Fund will generally have more exposure to the specific regional or country risks. In the event of economic or political turmoil or a deterioration of diplomatic relations in a region or country where a substantial portion of the Fund’s assets are invested, the Fund may experience substantial illiquidity or reduction in the value of the Fund’s investments. Adverse conditions in a certain region or country can adversely affect securities of issuers in other countries whose economies appear to be unrelated.

Templeton Global Bond Fund | Developing Market Countries  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Developing Market Countries: The Fund’s investments in securities of issuers in developing market countries are subject to all of the risks of foreign investing

Templeton Global Bond Fund | generally, and have additional heightened risks due to a lack of established legal, political, business and social frameworks to support securities markets, including  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

generally, and have additional heightened risks due to a lack of established legal, political, business and social frameworks to support securities markets, including: delays in settling portfolio securities transactions; currency and capital controls; greater sensitivity to interest rate changes; pervasiveness of corruption and crime; currency exchange rate volatility; and inflation, deflation or currency devaluation.
Templeton Global Bond Fund | Market  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Market: The market values of securities or other investments owned by the Fund will go up or down, sometimes rapidly or unpredictably. The market value of a security or other investment may be reduced by market activity or other results of supply and demand unrelated to the issuer. This is a basic risk associated with all investments. When there are more sellers than buyers, prices tend to fall. Likewise, when there are more buyers than sellers, prices tend to rise. In addition, the value of the Fund’s investments may go up or down due to general market or other conditions that are not specifically related to a particular issuer, such as: real or perceived adverse economic changes, including widespread liquidity issues and defaults in one or more industries; changes in interest or exchange rates; unexpected natural and man-made world events, such as diseases or disasters; financial, political or social disruptions, including terrorism and war; and U.S. trade disputes or other disputes with specific countries that could result in tariffs, trade barriers and investment restrictions in certain securities in those countries. Any of these conditions can adversely affect the economies of many companies, sectors, nations, regions and the market in general, in ways that cannot necessarily be foreseen.
Templeton Global Bond Fund | Interest Rate  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Interest Rate: When interest rates rise, debt security prices generally fall. The opposite is also generally true: debt security prices rise when interest rates fall. Interest rate changes are influenced by a number of factors, including government policy, monetary policy, inflation expectations, perceptions of risk, and supply of and demand for bonds. In general, securities with longer maturities or durations are more sensitive to interest rate changes.

Templeton Global Bond Fund | Credit  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Credit: An issuer of debt securities may fail to make interest payments or repay principal when due, in whole or in part. Changes in an issuer's financial strength or in a security's or government's credit rating may affect a security's value.

Templeton Global Bond Fund | Portfolio Turnover  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Portfolio Turnover: Active and frequent trading may increase a shareholder’s tax liability and the Fund’s transaction costs, which could detract from Fund performance.
Templeton Global Bond Fund | Liquidity  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Liquidity: The trading market for a particular security or type of security or other investments in which the Fund invests may become less liquid or even illiquid. Reduced liquidity will have an adverse impact on the Fund’s ability to sell such securities or other investments when necessary to meet the Fund’s liquidity needs, which may arise or increase in response to a specific economic event or because the investment manager wishes to purchase particular investments or believes that

a higher level of liquidity would be advantageous. Reduced liquidity will also generally lower the value of such securities or other investments. Market prices for such securities or other investments may be relatively volatile.
Templeton Global Bond Fund | High-Yield Debt Instruments  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

High-Yield Debt Instruments: Issuers of lower-rated or “high-yield” debt instruments (also known as “junk bonds”) are not as strong financially as those issuing higher credit quality debt instruments. High-yield debt instruments are generally considered predominantly speculative by the applicable rating agencies as their issuers are more likely to encounter financial difficulties because they may be more highly leveraged, or because of other considerations. In addition, high yield debt instruments generally are more vulnerable to changes in the relevant economy, such as a recession or a sustained period of rising interest rates, that could affect their ability to make interest and principal payments when due. The prices of high-yield debt instruments generally fluctuate more than those of higher credit quality. High-yield debt instruments are generally more illiquid (harder to sell) and harder to value.

Templeton Global Bond Fund | Derivative Instruments  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Derivative Instruments: The performance of derivative instruments depends largely on the performance of an underlying instrument, such as a currency, security, interest rate or index, and such instruments often have risks similar to their underlying instrument, in addition to other risks. Derivative instruments involve costs and can create economic leverage in the Fund's portfolio which may result in significant volatility and cause the Fund to participate in losses (as well as gains) in an amount that exceeds the Fund's initial investment. Other risks include illiquidity, mispricing or improper valuation of the derivative instrument, and imperfect correlation between the value of the derivative and the underlying instrument so that the Fund may not realize the intended benefits. When a derivative is used for hedging, the change in value of the derivative may also not correlate specifically with the currency, security, interest rate, index or other risk being hedged. With over-the-counter derivatives, there is the risk that the other party to the transaction will fail to perform.
Templeton Global Bond Fund | Income  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Income: The Fund's distributions to shareholders may decline when prevailing interest rates fall, when the Fund experiences defaults on debt securities it holds or when the Fund realizes a loss upon the sale of a debt security.

Templeton Global Bond Fund | Risk Nondiversified Status [Member]  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Non-Diversification: Because the Fund is non-diversified, it may be more sensitive to economic, business, political or other changes affecting individual issuers or investments than a diversified fund, which may negatively impact the Fund's performance and result in greater fluctuation in the value of the Fund’s shares.
Templeton Global Bond Fund | Cash Position  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Cash Position: To the extent that the Fund holds a large position in cash/cash equivalents (including money market funds) the Fund may lose opportunities to participate in market appreciation and may have lower returns than if the Fund

made other investments. In such circumstances, the Fund may not achieve its investment goal.
Templeton Global Bond Fund | Management  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Management: The Fund is subject to management risk because it is an actively managed investment portfolio. The Fund's investment manager applies investment techniques and risk analyses in making investment decisions for the Fund, but there can be no guarantee that these decisions will produce the desired results.
Templeton Global Bond Fund | Cybersecurity  
Risk/Return: rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock

Cybersecurity: Cybersecurity incidents, both intentional and unintentional, may allow an unauthorized party to gain access to Fund assets, Fund or customer data (including private shareholder information), or proprietary information, cause the Fund, the investment manager, and/or their service providers (including, but not limited to, Fund accountants, custodians, sub-custodians, transfer agents and financial intermediaries) to suffer data breaches, data corruption or loss of operational functionality or prevent Fund investors from purchasing, redeeming or exchanging shares or receiving distributions. The investment manager has limited ability to prevent or mitigate cybersecurity incidents affecting third party service providers, and such third party service providers may have limited indemnification obligations to the Fund or the investment manager. Cybersecurity incidents may result in financial losses to the Fund and its shareholders, and substantial costs may be incurred in an effort to prevent or mitigate future cybersecurity incidents. Issuers of securities in which the Fund invests are also subject to cybersecurity risks, and the value of these securities could decline if the issuers experience cybersecurity incidents.

Because technology is frequently changing, new ways to carry out cyber attacks are always developing. Therefore, there is a chance that some risks have not been identified or prepared for, or that an attack may not be detected, which puts limitations on the Fund's ability to plan for or respond to a cyber attack. Like other funds and business enterprises, the Fund, the investment manager, and their service providers are subject to the risk of cyber incidents occurring from time to time.
Templeton Global Bond Fund | Bloomberg Global Aggregate Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (index reflects no deduction for fees, expenses or taxes)
Label rr_AverageAnnualReturnLabel Bloomberg Global Aggregate Index
1 Year rr_AverageAnnualReturnYear01 (1.69%)
5 Years rr_AverageAnnualReturnYear05 (1.96%)
10 Years rr_AverageAnnualReturnYear10 0.15%
Templeton Global Bond Fund | FTSE World Government Bond Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (index reflects no deduction for fees, expenses or taxes)
Label rr_AverageAnnualReturnLabel FTSE World Government Bond Index
1 Year rr_AverageAnnualReturnYear01 (2.87%)
5 Years rr_AverageAnnualReturnYear05 (3.07%)
10 Years rr_AverageAnnualReturnYear10 (0.55%)
Templeton Global Bond Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 3.75%
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none [1]
Management fees rr_ManagementFeesOverAssets 0.51%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.23%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual Fund operating expenses rr_ExpensesOverAssets 1.02% [2]
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.03%) [3]
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.99%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 30, 2026
1 Year rr_ExpenseExampleYear01 $ 472
3 Years rr_ExpenseExampleYear03 684
5 Years rr_ExpenseExampleYear05 914
10 Years rr_ExpenseExampleYear10 $ 1,574
Annual Return 2015 rr_AnnualReturn2015 (4.26%)
Annual Return 2016 rr_AnnualReturn2016 6.22%
Annual Return 2017 rr_AnnualReturn2017 2.35%
Annual Return 2018 rr_AnnualReturn2018 1.27%
Annual Return 2019 rr_AnnualReturn2019 0.35%
Annual Return 2020 rr_AnnualReturn2020 (4.14%)
Annual Return 2021 rr_AnnualReturn2021 (5.06%)
Annual Return 2022 rr_AnnualReturn2022 (6.17%)
Annual Return 2023 rr_AnnualReturn2023 2.43%
Annual Return 2024 rr_AnnualReturn2024 (11.95%)
Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2024
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 10.09%
Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2024
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (12.03%)
Label rr_AverageAnnualReturnLabel Return before taxes
1 Year rr_AverageAnnualReturnYear01 (15.22%)
5 Years rr_AverageAnnualReturnYear05 (5.87%)
10 Years rr_AverageAnnualReturnYear10 (2.40%)
Templeton Global Bond Fund | Class A | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Return after taxes on distributions
1 Year rr_AverageAnnualReturnYear01 (15.84%)
5 Years rr_AverageAnnualReturnYear05 (5.89%)
10 Years rr_AverageAnnualReturnYear10 (3.12%)
Templeton Global Bond Fund | Class A | After Taxes on Distributions and Sales  
Risk/Return: rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Return after taxes on distributions and sale of Fund shares
1 Year rr_AverageAnnualReturnYear01 (8.89%)
5 Years rr_AverageAnnualReturnYear05 (4.24%)
10 Years rr_AverageAnnualReturnYear10 (1.93%)
Templeton Global Bond Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management fees rr_ManagementFeesOverAssets 0.51%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.65%
Other expenses rr_OtherExpensesOverAssets 0.23%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual Fund operating expenses rr_ExpensesOverAssets 1.42% [2]
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.03%) [3]
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.39%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 30, 2026
1 Year rr_ExpenseExampleYear01 $ 242
3 Years rr_ExpenseExampleYear03 447
5 Years rr_ExpenseExampleYear05 774
10 Years rr_ExpenseExampleYear10 1,591
1 Year rr_ExpenseExampleNoRedemptionYear01 142
3 Years rr_ExpenseExampleNoRedemptionYear03 447
5 Years rr_ExpenseExampleNoRedemptionYear05 774
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,591
1 Year rr_AverageAnnualReturnYear01 (13.09%)
5 Years rr_AverageAnnualReturnYear05 (5.50%)
10 Years rr_AverageAnnualReturnYear10 (2.41%)
Templeton Global Bond Fund | Class R  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management fees rr_ManagementFeesOverAssets 0.51%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.50%
Other expenses rr_OtherExpensesOverAssets 0.23%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual Fund operating expenses rr_ExpensesOverAssets 1.27% [2]
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.03%) [3]
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 1.24%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 30, 2026
1 Year rr_ExpenseExampleYear01 $ 126
3 Years rr_ExpenseExampleYear03 399
5 Years rr_ExpenseExampleYear05 693
10 Years rr_ExpenseExampleYear10 $ 1,529
1 Year rr_AverageAnnualReturnYear01 (12.17%)
5 Years rr_AverageAnnualReturnYear05 (5.38%)
10 Years rr_AverageAnnualReturnYear10 (2.27%)
Templeton Global Bond Fund | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management fees rr_ManagementFeesOverAssets 0.51%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.10%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual Fund operating expenses rr_ExpensesOverAssets 0.64% [2]
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.05%) [3]
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.59%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 30, 2026
1 Year rr_ExpenseExampleYear01 $ 60
3 Years rr_ExpenseExampleYear03 199
5 Years rr_ExpenseExampleYear05 351
10 Years rr_ExpenseExampleYear10 $ 793
1 Year rr_AverageAnnualReturnYear01 (11.54%)
5 Years rr_AverageAnnualReturnYear05 (4.76%)
10 Years rr_AverageAnnualReturnYear10 (1.64%)
Templeton Global Bond Fund | Advisor Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management fees rr_ManagementFeesOverAssets 0.51%
Distribution and service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.23%
Acquired fund fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual Fund operating expenses rr_ExpensesOverAssets 0.77% [2]
Fee waiver and/or expense reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.03%) [3]
Total annual Fund operating expenses after fee waiver and/or expense reimbursement rr_NetExpensesOverAssets 0.74%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination April 30, 2026
1 Year rr_ExpenseExampleYear01 $ 76
3 Years rr_ExpenseExampleYear03 243
5 Years rr_ExpenseExampleYear05 425
10 Years rr_ExpenseExampleYear10 $ 952
1 Year rr_AverageAnnualReturnYear01 (11.79%)
5 Years rr_AverageAnnualReturnYear05 (4.90%)
10 Years rr_AverageAnnualReturnYear10 (1.78%)
[1]

There is a 1% contingent deferred sales charge that applies to investments of $500,000 or more (see "Investments of $500,000 or More" under "Choosing a Share Class") and purchases by certain retirement plans without an initial sales charge on shares sold within 18 months of purchase.
[2] Total annual Fund operating expenses differ from the ratio of expenses to average net assets shown in the Financial Highlights, which reflect the operating expenses of the Fund and do not include acquired fund fees and expenses.
[3] The investment manager has agreed to reduce its fees to reflect reduced services resulting from the Fund’s investments in Franklin Templeton affiliated funds. In addition, the transfer agency fees on Class R6 shares of the Fund have been capped so that transfer agency fees for that class do not exceed 0.03%. These contractual arrangements are expected to continue until April 30, 2026. During the terms, the fee waiver and expense reimbursement agreements may not be terminated or amended without approval of the board of trustees except to add series or classes, to reflect the extension of termination dates or to lower the waiver and expense limitation (which would result in lower fees for shareholders).