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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName DEUTSCHE INTERNATIONAL FUND, INC.
Prospectus Date rr_ProspectusDate Feb. 01, 2017
Deutsche Latin America Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Deutsche Latin America Equity Fund
Objective [Heading] rr_ObjectiveHeading

Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The fund seeks long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading

Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

These are the fees and expenses you may pay when you buy and hold shares. You may qualify for sales charge discounts if you and your immediate family invest, or agree to invest in the future, at least $50,000 in Class A shares in Deutsche funds or if you invest at least $250,000 in Class T shares in the fund. More information about these and other discounts and waivers is available from your financial professional and in Choosing a Share Class (p. 68), and Purchase and Redemption of Shares in the fund's Statement of Additional Information (SAI) (p. II-16).
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption SHAREHOLDER FEES (paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption ANNUAL FUND OPERATING EXPENSES
(expenses that you pay each year as a % of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination January 31, 2018
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 may indicate higher transaction costs and may mean higher taxes if you are investing in a taxable account. These costs are not reflected in annual fund operating expenses or in the expense example, and can affect the fund's performance.

Portfolio turnover rate for fiscal year 2016: 108%.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 108.00%
Expense Footnotes [Text Block] rr_ExpenseFootnotesTextBlock

The Advisor has contractually agreed through January 31, 2018 to waive its fees and/or reimburse fund expenses to the extent necessary to maintain the fund's total annual operating expenses (excluding certain expenses such as extraordinary expenses, taxes, brokerage and interest expenses) at ratios no higher than 1.73%, 1.73%, 2.48%, 1.48% and 1.48% for Class A, Class T, Class C, Institutional Class and Class S respectively. The agreement may only be terminated with the consent of the fund's Board.
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your immediate family invest, or agree to invest in the future, at least $50,000 in Class A shares in Deutsche funds or if you invest at least $250,000 in Class T shares in the fund.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 50,000
Other Expenses, New Fund, Based on Estimates [Text] rr_OtherExpensesNewFundBasedOnEstimates

1 "Other expenses" for Class T are based on estimated amounts for the current fiscal year.

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 those periods. The Example also assumes that your investment has a 5% return each year and that the fund's operating expenses (including one year of capped expenses in each period) remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption Narrative [Text Block] rr_ExpenseExampleNoRedemptionNarrativeTextBlock You would pay the following expenses if you did not redeem your shares:
Strategy [Heading] rr_StrategyHeading

Principal Investment Strategy
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock

Main investments. Under normal circumstances, the fund invests at least 80% of net assets, plus the amount of any borrowings for investment purposes, in Latin American common stocks and other equities (equities that are traded mainly on Latin American markets, issued or guaranteed by a Latin American government or issued by a company organized under the laws of a Latin American country or any company with more than half of its business in Latin America). The fund defines Latin America as Mexico, Central America, South America and the Spanish-speaking islands of the Caribbean.

Although the fund may invest in any Latin American country, it expects to invest primarily in common stocks of established companies in Argentina, Brazil, Chile, Colombia, Mexico, Panama and Peru.

The fund may invest up to 20% of net assets in the equity securities of US and other non-Latin American issuers and in debt securities including junk bonds (grade BB/Ba and below). The fund may also invest as much as 10% of net assets in debt securities rated B or lower.

Management process. In choosing securities, portfolio management uses a combination of three analytical disciplines:

  • Bottom-up research. Portfolio management looks for individual companies that it believes have a history of above-average growth, strong competitive positioning, attractive prices relative to potential growth, sound financial strength and effective management, among other factors.
  • Growth orientation. Portfolio management generally looks for companies that it believes have above-average potential for sustainable growth of revenue or earnings and whose market value appears reasonable in light of their business prospects.
  • Analysis of regional themes. Portfolio management looks for significant social, economic, industrial and demographic changes, seeking to identify stocks that may benefit from them.

Securities Lending. The fund may lend securities (up to one-third of total assets) to approved institutions.

Active Trading. The fund may trade securities actively and this may lead to high portfolio turnover.
Risk [Heading] rr_RiskHeading

Main Risks
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock

There are several risk factors that could hurt the fund's performance, cause you to lose money or cause the fund's performance to trail that of other investments. The fund may not achieve its investment objective, and is not intended to be a complete investment program. An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency.

Stock market risk. When stock prices fall, you should expect the value of your investment to fall as well. Stock prices can be hurt by poor management on the part of the stock's issuer, shrinking product demand and other business risks. These may affect single companies as well as groups of companies. In addition, movements in financial markets may adversely affect a stock's price, regardless of how well the company performs. The market as a whole may not favor the types of investments the fund makes, which could affect the fund's ability to sell them at an attractive price. To the extent the fund invests in a particular capitalization or sector, the fund's performance may be affected by the general performance of that particular capitalization or sector.

Foreign investment risk. The fund faces the risks inherent in foreign investing. Adverse political, economic or social developments could undermine the value of the fund's investments or prevent the fund from realizing the full value of its investments. Financial reporting standards for companies based in foreign markets differ from those in the US. Additionally, foreign securities markets generally are smaller and less liquid than US markets. To the extent that the fund invests in non-US dollar denominated foreign securities, changes in currency exchange rates may affect the US dollar value of foreign securities or the income or gain received on these securities.

Currency risk. Changes in currency exchange rates may affect the value of the fund's investments and the fund's share price. The value of currencies are influenced by a variety of factors, that include: interest rates, national debt levels and trade deficits, changes in balances of payments and trade, domestic and foreign interest and inflation rates, global or regional political, economic or financial events, monetary policies of governments, actual or potential government intervention, global energy prices, political instability and government monetary policies and the buying or selling of currency by a country's government. Investments in foreign currencies are subject to the risk that those currencies will decline in value relative to the US dollar or, in the case of hedged positions, that the US dollar will decline relative to the currency being hedged. Currency exchange rates can be volatile and can change quickly and unpredictably.

Regional focus risk. Focusing investments in a single country or few countries, or regions, involves increased currency, political, regulatory and other risks. Market swings in such a targeted country, countries or regions are likely to have a greater effect on fund performance than they would in a more geographically diversified fund.

Latin America risk. The economies of Latin American countries have in the past experienced considerable difficulties, including high inflation rates, high interest rates, high unemployment, government overspending and political instability. Similar conditions in the present or future could impact the fund's performance. Many Latin American countries are highly reliant on the exportation of commodities and their economies may be significantly impacted by fluctuations in commodity prices and the global demand for certain commodities. Investments in Latin American countries may be subject to currency risks, such as restrictions on the flow of money in and out of a country, extreme volatility relative to the US dollar, and devaluation, all of which could decrease the value of the fund. Other Latin American investment risks may include inadequate investor protection, less developed regulatory, accounting, auditing and financial standards, unfavorable changes in laws or regulations, natural disasters, corruption and military activity. The governments of many Latin American countries may also exercise substantial influence over many aspects of the private sector, and any such exercise could have a significant effect on companies in which the fund invests.

Emerging markets risk. Foreign investment risks are greater in emerging markets than in developed markets. Investments in emerging markets are often considered speculative.

Non-diversification risk. The fund is classified as non-diversified under the Investment Company Act of 1940, as amended. This means that the fund may invest in securities of relatively few issuers. Thus, the performance of one or a small number of portfolio holdings can affect overall performance.

Growth investing risk. As a category, growth stocks may underperform value stocks (and the stock market as a whole) over any period of time. Because the prices of growth stocks are based largely on the expectation of future earnings, growth stock prices can decline rapidly and significantly in reaction to negative news about such factors as earnings, the economy, political developments, or other news.

Pricing risk. If market conditions make it difficult to value some investments, the fund may value these investments using more subjective methods, such as fair value pricing. In such cases, the value determined for an investment could be different from the value realized upon such investment's sale. As a result, you could pay more than the market value when buying fund shares or receive less than the market value when selling fund shares.

Security selection risk. The securities in the fund's portfolio may decline in value. Portfolio management could be wrong in its analysis of industries, companies, economic trends, the relative attractiveness of different securities or other matters.

Securities lending risk. Any decline in the value of a portfolio security that occurs while the security is out on loan is borne by the fund and will adversely affect performance. Also, there may be delays in recovery of securities loaned or even a loss of rights in the collateral should the borrower of the securities fail financially while holding the security.

Counterparty risk. A financial institution or other counterparty with whom the fund does business, or that underwrites, distributes or guarantees any investments or contracts that the fund owns or is otherwise exposed to, may decline in financial health and become unable to honor its commitments. This could cause losses for the fund or could delay the return or delivery of collateral or other assets to the fund.

Credit risk. The fund's performance could be hurt if an issuer of a debt security suffers an adverse change in financial condition that results in the issuer not making timely payments of interest or principal, security downgrade or inability to meet a financial obligation. Credit risk is greater for lower-rated securities.

Because the issuers of high-yield debt securities or junk bonds (debt securities rated below the fourth highest credit rating category) may be in uncertain financial health, the prices of their debt securities can be more vulnerable to bad economic news, or even the expectation of bad news, than investment-grade debt securities. High-yield debt securities are considered speculative, and credit risk for high-yield securities is greater than for higher-rated securities.

Interest rate risk. When interest rates rise, prices of debt securities generally decline. The fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates. The longer the duration of the fund's debt securities, the more sensitive the fund will be to interest rate changes. (As a general rule, a 1% rise in interest rates means a 1% fall in value for every year of duration.)

Prepayment and extension risk. When interest rates fall, issuers of high interest debt obligations may pay off the debts earlier than expected (prepayment risk), and the fund may have to reinvest the proceeds at lower yields. When interest rates rise, issuers of lower interest debt obligations may pay off the debts later than expected (extension risk), thus keeping the fund's assets tied up in lower interest debt obligations. Ultimately, any unexpected behavior in interest rates could increase the volatility of the fund's share price and yield and could hurt fund performance. Prepayments could also create capital gains tax liability in some instances.

Liquidity risk. In certain situations, it may be difficult or impossible to sell an investment and/or the fund may sell certain investments at a price or time that is not advantageous in order to meet redemption requests or other cash needs. Unusual market conditions, such as an unusually high volume of redemptions or other similar conditions could increase liquidity risk for the fund.

Operational and technology risk. Cyber-attacks, disruptions, or failures that affect the fund's service providers or counterparties, issuers of securities held by the fund, or other market participants may adversely affect the fund and its shareholders, including by causing losses for the fund or impairing fund operations.

Active trading risk. Active securities trading could raise transaction costs (thus lowering returns) and could mean increased taxable distributions to shareholders and distributions that will be taxable to shareholders at higher federal income tax rates.
Risk Lose Money [Text] rr_RiskLoseMoney There are several risk factors that could hurt the fund's performance, cause you to lose money or cause the fund's performance to trail that of other investments.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus Non-diversification risk. The fund is classified as non-diversified under the Investment Company Act of 1940, as amended. This means that the fund may invest in securities of relatively few issuers. Thus, the performance of one or a small number of portfolio holdings can affect overall performance.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading

Past Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock

How a fund's returns vary from year to year can give an idea of its risk; so can comparing fund performance to overall market performance (as measured by an appropriate market index). Past performance may not indicate future results. All performance figures below assume that dividends and distributions were reinvested. For more recent performance figures, go to deutschefunds.com (the Web site does not form a part of this prospectus) or call the phone number included in this prospectus.

Class T is a new class of shares and therefore does not have a full calendar year of performance available. For Class T shares, performance is based on the historical performance of Class S shares adjusted to reflect the higher expenses and applicable sales charges of Class T.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns How a fund's returns vary from year to year can give an idea of its risk; so can comparing fund performance to overall market performance (as measured by an appropriate market index).
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress deutschefunds.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Past performance may not indicate future results.
Bar Chart [Heading] rr_BarChartHeading CALENDAR YEAR TOTAL RETURNS (%) (Class A)
Bar Chart Narrative [Text Block] rr_BarChartNarrativeTextBlock These year-by-year returns do not include sales charges, if any, and would be lower if they did. Returns for other classes were different and are not shown here.
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads These year-by-year returns do not include sales charges, if any, and would be lower if they did.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Returns Period ending
Best Quarter 34.03% June 30, 2009
Worst Quarter -36.59% December 31, 2008

Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns
(For periods ended 12/31/2016 expressed as a %)
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns (which are shown only for Class A and would be different for other classes) reflect the historical highest individual federal income tax rates, but do not reflect any state or local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown After-tax returns (which are shown only for Class A and would be different for other classes)
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock After-tax returns (which are shown only for Class A and would be different for other classes) reflect the historical highest individual federal income tax rates, but do not reflect any state or local taxes. Your actual after-tax returns may be different. After-tax returns are not relevant to shares held in an IRA, 401(k) or other tax-advantaged investment plan.
Deutsche Latin America Equity Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases, as % of offering price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 5.75%
Maximum deferred sales charge (load), as % of redemption proceeds rr_MaximumDeferredSalesChargeOverOther none
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee $ 20
Management fee rr_ManagementFeesOverAssets 1.17%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.21%
Other expenses rr_OtherExpensesOverAssets 0.52% [1]
Total annual fund operating expenses rr_ExpensesOverAssets 1.90%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.17%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.73%
1 Year rr_ExpenseExampleYear01 $ 741
3 Years rr_ExpenseExampleYear03 1,122
5 Years rr_ExpenseExampleYear05 1,528
10 Years rr_ExpenseExampleYear10 2,656
1 Year rr_ExpenseExampleNoRedemptionYear01 741
3 Years rr_ExpenseExampleNoRedemptionYear03 1,122
5 Years rr_ExpenseExampleNoRedemptionYear05 1,528
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,656
2007 rr_AnnualReturn2007 44.65%
2008 rr_AnnualReturn2008 (55.95%)
2009 rr_AnnualReturn2009 92.20%
2010 rr_AnnualReturn2010 10.99%
2011 rr_AnnualReturn2011 (22.65%)
2012 rr_AnnualReturn2012 13.28%
2013 rr_AnnualReturn2013 (8.19%)
2014 rr_AnnualReturn2014 (10.53%)
2015 rr_AnnualReturn2015 (32.20%)
2016 rr_AnnualReturn2016 32.02%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 34.03%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (36.59%)
Deutsche Latin America Equity Fund | Class T  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases, as % of offering price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 2.50%
Maximum deferred sales charge (load), as % of redemption proceeds rr_MaximumDeferredSalesChargeOverOther none
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee none
Management fee rr_ManagementFeesOverAssets 1.17%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.47% [1]
Total annual fund operating expenses rr_ExpensesOverAssets 1.89%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.16%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.73%
1 Year rr_ExpenseExampleYear01 $ 421
3 Years rr_ExpenseExampleYear03 814
5 Years rr_ExpenseExampleYear05 1,231
10 Years rr_ExpenseExampleYear10 2,394
1 Year rr_ExpenseExampleNoRedemptionYear01 421
3 Years rr_ExpenseExampleNoRedemptionYear03 814
5 Years rr_ExpenseExampleNoRedemptionYear05 1,231
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,394
Deutsche Latin America Equity Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases, as % of offering price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load), as % of redemption proceeds rr_MaximumDeferredSalesChargeOverOther 1.00%
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee $ 20
Management fee rr_ManagementFeesOverAssets 1.17%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.47% [1]
Total annual fund operating expenses rr_ExpensesOverAssets 2.64%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.16%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 2.48%
1 Year rr_ExpenseExampleYear01 $ 351
3 Years rr_ExpenseExampleYear03 805
5 Years rr_ExpenseExampleYear05 1,386
10 Years rr_ExpenseExampleYear10 2,962
1 Year rr_ExpenseExampleNoRedemptionYear01 251
3 Years rr_ExpenseExampleNoRedemptionYear03 805
5 Years rr_ExpenseExampleNoRedemptionYear05 1,386
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,962
Deutsche Latin America Equity Fund | INST Class  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases, as % of offering price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load), as % of redemption proceeds rr_MaximumDeferredSalesChargeOverOther none
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee none
Management fee rr_ManagementFeesOverAssets 1.17%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.41% [1]
Total annual fund operating expenses rr_ExpensesOverAssets 1.58%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.10%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.48%
1 Year rr_ExpenseExampleYear01 $ 151
3 Years rr_ExpenseExampleYear03 489
5 Years rr_ExpenseExampleYear05 851
10 Years rr_ExpenseExampleYear10 1,870
1 Year rr_ExpenseExampleNoRedemptionYear01 151
3 Years rr_ExpenseExampleNoRedemptionYear03 489
5 Years rr_ExpenseExampleNoRedemptionYear05 851
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,870
Deutsche Latin America Equity Fund | Class S  
Risk/Return: rr_RiskReturnAbstract  
Maximum sales charge (load) imposed on purchases, as % of offering price rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum deferred sales charge (load), as % of redemption proceeds rr_MaximumDeferredSalesChargeOverOther none
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee $ 20
Management fee rr_ManagementFeesOverAssets 1.17%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.44% [1]
Total annual fund operating expenses rr_ExpensesOverAssets 1.61%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.13%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.48%
1 Year rr_ExpenseExampleYear01 $ 151
3 Years rr_ExpenseExampleYear03 495
5 Years rr_ExpenseExampleYear05 864
10 Years rr_ExpenseExampleYear10 1,900
1 Year rr_ExpenseExampleNoRedemptionYear01 151
3 Years rr_ExpenseExampleNoRedemptionYear03 495
5 Years rr_ExpenseExampleNoRedemptionYear05 864
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,900
Deutsche Latin America Equity Fund | before tax | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 24.42%
5 Years rr_AverageAnnualReturnYear05 (4.72%)
10 Years rr_AverageAnnualReturnYear10 (1.90%)
Class Inception rr_AverageAnnualReturnInceptionDate May 29, 2001
Deutsche Latin America Equity Fund | before tax | Class T  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 28.70%
5 Years rr_AverageAnnualReturnYear05 (4.07%)
10 Years rr_AverageAnnualReturnYear10 (1.54%)
Class Inception rr_AverageAnnualReturnInceptionDate Feb. 01, 2017
Deutsche Latin America Equity Fund | before tax | Class C  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 31.01%
5 Years rr_AverageAnnualReturnYear05 (4.30%)
10 Years rr_AverageAnnualReturnYear10 (2.09%)
Class Inception rr_AverageAnnualReturnInceptionDate May 29, 2001
Deutsche Latin America Equity Fund | before tax | INST Class  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 32.33%
Since Inception rr_AverageAnnualReturnSinceInception (1.80%)
Class Inception rr_AverageAnnualReturnInceptionDate Feb. 02, 2015
Deutsche Latin America Equity Fund | before tax | Class S  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 32.33%
5 Years rr_AverageAnnualReturnYear05 (3.34%)
10 Years rr_AverageAnnualReturnYear10 (1.05%)
Class Inception rr_AverageAnnualReturnInceptionDate Dec. 08, 1992
Deutsche Latin America Equity Fund | After tax on distributions | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 23.85%
5 Years rr_AverageAnnualReturnYear05 (6.09%)
10 Years rr_AverageAnnualReturnYear10 (3.27%)
Deutsche Latin America Equity Fund | After tax on distributions and sale of fund shares | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 14.10%
5 Years rr_AverageAnnualReturnYear05 (2.49%)
10 Years rr_AverageAnnualReturnYear10 (0.29%)
Deutsche Latin America Equity Fund | MSCI EM (Emerging Markets) Latin America Index (reflects no deduction for fees or expenses) | INST Class  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 31.04%
Since Inception rr_AverageAnnualReturnSinceInception (1.93%)
Deutsche Latin America Equity Fund | MSCI EM (Emerging Markets) Latin America Index (reflects no deduction for fees or expenses) | Class S  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 31.04%
5 Years rr_AverageAnnualReturnYear05 (5.69%)
10 Years rr_AverageAnnualReturnYear10 0.27%
[1] "Other expenses" for Class T are based on estimated amounts for the current fiscal year.