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Risk/Return: rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName DEUTSCHE DWS INTERNATIONAL FUND, INC.
Prospectus Date rr_ProspectusDate Feb. 01, 2020
DWS Emerging Markets Equity Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading DWS Emerging Markets Equity Fund
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock

The fund seeks long-term growth of capital.
Expense [Heading] rr_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock

These are the fees and expenses you may pay when you buy and hold shares. You may be required to pay commissions and/or other forms of compensation to a broker for transactions in Class S shares, which are not reflected in the tables or the example below. 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 DWS 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 representative and in Choosing a Share Class (p. 68), Sales Charge Waivers and Discounts Available Through Intermediaries (Appendix B, p. 135) and Purchase and Redemption of Shares in the fund's Statement of Additional Information (SAI) (p. II-14).
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, 2021
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. During the most recent fiscal year, the fund's portfolio turnover rate was 32% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 32.00%
Expense Footnotes [Text Block] rr_ExpenseFootnotesTextBlock

The Advisor has contractually agreed through January 31, 2021 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, interest expense and acquired fund fees and expenses) at ratios no higher than 1.15%, 1.15%, 1.90%, 0.90%, 0.90% and 0.98% for Class A, Class T, Class C, Class R6, Institutional Class and Class S, respectively. The agreement may only be terminated with the consent of the fund's Board.
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock Investments of $1,000,000 or more may be eligible to buy Class A shares without a sales charge (load), but may be subject to a contingent deferred sales charge of 1.00% if redeemed within 12 months of the original purchase date and 0.50% if redeemed within the following six months.
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 DWS 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
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 Strategies
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 emerging market equities (equities traded mainly in emerging markets or issued by companies that are organized in emerging markets or have more than half of their business there). The fund considers "emerging markets" to include any countries or markets (i) currently classified as low-to-middle income economies by the World Bank; or (ii) currently considered to be developing by the International Finance Corporation or the United Nations or its authorities.

The fund considers an issuer to have more than half of its business in emerging markets if at least (i) 50% of the issuer's assets are in an emerging market country, or (ii) 50% of an issuer's revenues or profits are from goods produced or sold, investments made, or services performed in emerging markets.

The fund may invest up to 20% of net assets in equities from the US or other developed markets. The fund may also invest up to 20% of net assets in US or emerging market debt securities when portfolio management believes these securities may perform at least as well as equities.

The fund invests primarily in common stocks, but may also invest in preferred stocks or convertible securities.

Management process. Portfolio management generally uses a four step management process. In the first step, using a macroeconomic outlook, portfolio management assesses the general outlook for emerging market equities. The key drivers of this outlook are growth, valuation, and market sentiment. This process is then applied at individual country and sector levels to determine country and sector weightings. In the second step, portfolio management performs a bottom-up fundamental analysis of the companies in the designated countries and sectors (i.e., an analysis of the salient attributes of the various individual companies), resulting in recommended stocks for the designated countries and sectors and corresponding target prices for those stocks. Salient company attributes that portfolio management may consider include attractiveness of valuation relative to earnings, sustainability of business model, the presence of clearly identifiable catalysts, such as a specific corporate event, and positive share price momentum. In the third step, portfolio management constructs the fund's portfolio, weighting individual stocks based on management's assessments and setting individual country and sector market exposure based on management's outlook. In the fourth and final step, portfolio management actively monitors the fund's portfolio, including an ongoing assessment of the portfolio's risks. Portfolio management will typically sell a security if it no longer represents good value relative to fundamentals and/or if it lacks positive catalysts.

Portfolio management may consider information about Environmental, Social and Governance (ESG) issues in its fundamental research process and when making investment decisions.

Securities lending. The fund may lend securities (up to one-third of total assets) to approved institutions, such as registered broker-dealers, banks and pooled investment vehicles.

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. The market as a whole may not favor the types of investments the fund makes, which could adversely affect a stock's price, regardless of how well the company performs, or the fund's ability to sell a stock at an attractive price. There is a chance that stock prices overall will decline because stock markets tend to move in cycles, with periods of rising and falling prices. Events in the US and global financial markets, including actions taken by the US Federal Reserve or foreign central banks to stimulate or stabilize economic growth, may at times result in unusually high market volatility which could negatively affect performance. Further, geopolitical and other events, including war, terrorism, economic uncertainty, trade disputes and related geopolitical events have led, and in the future may lead, to increased short-term market volatility, which may disrupt securities markets and have adverse long-term effects on US and world economies and markets. To the extent that the fund invests in a particular geographic region, capitalization or sector, the fund's performance may be affected by the general performance of that region, capitalization or sector.

Foreign investment risk. The fund faces the risks inherent in foreign investing. Adverse political, economic or social developments, as well as US and foreign government actions such as the imposition of tariffs, economic and trade sanctions or embargoes, could undermine the value of the fund's investments, prevent the fund from realizing the full value of its investments or prevent the fund from selling securities it holds. 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.

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

Frontier market risk. Frontier market countries generally have smaller, less diverse economies and even less developed capital markets and legal, regulatory, and political systems than traditional emerging markets.

Currency risk. Changes in currency exchange rates may affect the value of the fund's investments and the fund's share price. To the extent the fund seeks to hedge part or all of its foreign currency exposure, the fund may not be successful in hedging against currency changes. The fund's US dollar share price may go down if the value of the local currency of the non−US markets in which the fund invests depreciates against the US dollar. This is true even if the local currency value of securities in the fund's holdings goes up. Furthermore, the fund's use of forward currency contracts may eliminate some or all of the benefit of an increase in the value of a foreign currency versus the US dollar. The value of the US dollar measured against other currencies is influenced by a variety of factors. These factors 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. Currency exchange rates can be volatile and can change quickly and unpredictably, thereby impacting the value of the fund's investments.

Focus risk. To the extent that the fund focuses its investments in particular industries, asset classes or sectors of the economy, any market price movements, regulatory or technological changes, or economic conditions affecting companies in those industries, asset classes or sectors may have a significant impact on the fund's performance.

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.

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.

Small company risk. Small company stocks tend to be more volatile than medium-sized or large company stocks. Because stock analysts are less likely to follow small companies, less information about them is available to investors. Industry-wide reversals may have a greater impact on small companies, since they may lack the financial resources of larger companies. Small company stocks are typically less liquid than large company stocks.

Medium-sized company risk. Medium-sized company stocks tend to be more volatile than large company stocks. Because stock analysts are less likely to follow medium-sized companies, less information about them is available to investors. Industry-wide reversals may have a greater impact on medium-sized companies, since they lack the financial resources of larger companies. Medium-sized company stocks are typically less liquid than large company stocks.

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.

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.

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, a security downgrade or an 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 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.) Recent and potential future changes in monetary policy made by central banks or governments are likely to affect the level of interest rates. Rising interest rates may prompt redemptions from the fund, which may force the fund to sell investments at a time when it is not advantageous to do so, which could result in losses. The fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates.

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.

ESG investing risk. When portfolio management considers ESG factors in its fundamental research process and when making investment decisions, there is a risk that the fund may forgo otherwise attractive investment opportunities or increase or decrease its exposure to certain types of issuers and, therefore, may underperform funds that do not consider ESG factors.

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.
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 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 dws.com (the Web site does not form a part of this prospectus) or call the telephone number included in this prospectus.

The performance figures for Class T shares prior to class inception are based on the historical performance of the fund's 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 dws.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 15.96% September 30, 2010
Worst Quarter -25.92% September 30, 2011

Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns(For periods ended 12/31/2019 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.
DWS Emerging Markets 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 [1]
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee $ 20
Management fee rr_ManagementFeesOverAssets 0.70%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.24%
Other expenses rr_OtherExpensesOverAssets 0.42%
Acquired funds fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual fund operating expenses rr_ExpensesOverAssets 1.39%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.21%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.18%
1 Year rr_ExpenseExampleYear01 $ 688
3 Years rr_ExpenseExampleYear03 970
5 Years rr_ExpenseExampleYear05 1,273
10 Years rr_ExpenseExampleYear10 2,131
1 Year rr_ExpenseExampleNoRedemptionYear01 688
3 Years rr_ExpenseExampleNoRedemptionYear03 970
5 Years rr_ExpenseExampleNoRedemptionYear05 1,273
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,131
2010 rr_AnnualReturn2010 11.25%
2011 rr_AnnualReturn2011 (23.22%)
2012 rr_AnnualReturn2012 15.14%
2013 rr_AnnualReturn2013 (2.12%)
2014 rr_AnnualReturn2014 (0.45%)
2015 rr_AnnualReturn2015 (13.18%)
2016 rr_AnnualReturn2016 9.72%
2017 rr_AnnualReturn2017 37.38%
2018 rr_AnnualReturn2018 (12.42%)
2019 rr_AnnualReturn2019 19.01%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2010
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 15.96%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (25.92%)
DWS Emerging Markets 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 [1]
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee none
Management fee rr_ManagementFeesOverAssets 0.70%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other expenses rr_OtherExpensesOverAssets 0.35%
Acquired funds fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual fund operating expenses rr_ExpensesOverAssets 1.33%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.15%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.18%
1 Year rr_ExpenseExampleYear01 $ 367
3 Years rr_ExpenseExampleYear03 646
5 Years rr_ExpenseExampleYear05 947
10 Years rr_ExpenseExampleYear10 1,799
1 Year rr_ExpenseExampleNoRedemptionYear01 367
3 Years rr_ExpenseExampleNoRedemptionYear03 646
5 Years rr_ExpenseExampleNoRedemptionYear05 947
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,799
DWS Emerging Markets 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% [1]
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee $ 20
Management fee rr_ManagementFeesOverAssets 0.70%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other expenses rr_OtherExpensesOverAssets 0.38%
Acquired funds fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual fund operating expenses rr_ExpensesOverAssets 2.11%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.18%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.93%
1 Year rr_ExpenseExampleYear01 $ 296
3 Years rr_ExpenseExampleYear03 644
5 Years rr_ExpenseExampleYear05 1,117
10 Years rr_ExpenseExampleYear10 2,427
1 Year rr_ExpenseExampleNoRedemptionYear01 196
3 Years rr_ExpenseExampleNoRedemptionYear03 644
5 Years rr_ExpenseExampleNoRedemptionYear05 1,117
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 2,427
DWS Emerging Markets Equity Fund | Class R6  
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 [1]
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee none
Management fee rr_ManagementFeesOverAssets 0.70%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.51%
Acquired funds fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual fund operating expenses rr_ExpensesOverAssets 1.24%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.31%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 0.93%
1 Year rr_ExpenseExampleYear01 $ 95
3 Years rr_ExpenseExampleYear03 363
5 Years rr_ExpenseExampleYear05 651
10 Years rr_ExpenseExampleYear10 1,473
1 Year rr_ExpenseExampleNoRedemptionYear01 95
3 Years rr_ExpenseExampleNoRedemptionYear03 363
5 Years rr_ExpenseExampleNoRedemptionYear05 651
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,473
DWS Emerging Markets 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 [1]
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee none
Management fee rr_ManagementFeesOverAssets 0.70%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.35%
Acquired funds fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual fund operating expenses rr_ExpensesOverAssets 1.08%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.15%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 0.93%
1 Year rr_ExpenseExampleYear01 $ 95
3 Years rr_ExpenseExampleYear03 329
5 Years rr_ExpenseExampleYear05 581
10 Years rr_ExpenseExampleYear10 1,304
1 Year rr_ExpenseExampleNoRedemptionYear01 95
3 Years rr_ExpenseExampleNoRedemptionYear03 329
5 Years rr_ExpenseExampleNoRedemptionYear05 581
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,304
DWS Emerging Markets 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 [1]
Account Maintenance Fee (annually, for fund account balances below $10,000 and subject to certain exceptions) rr_MaximumAccountFee $ 20
Management fee rr_ManagementFeesOverAssets 0.70%
Distribution/service (12b-1) fees rr_DistributionAndService12b1FeesOverAssets none
Other expenses rr_OtherExpensesOverAssets 0.42%
Acquired funds fees and expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.03%
Total annual fund operating expenses rr_ExpensesOverAssets 1.15%
Fee waiver/expense reimbursement rr_FeeWaiverOrReimbursementOverAssets 0.14%
Total annual fund operating expenses after fee waiver/expense reimbursement rr_NetExpensesOverAssets 1.01%
1 Year rr_ExpenseExampleYear01 $ 103
3 Years rr_ExpenseExampleYear03 351
5 Years rr_ExpenseExampleYear05 619
10 Years rr_ExpenseExampleYear10 1,385
1 Year rr_ExpenseExampleNoRedemptionYear01 103
3 Years rr_ExpenseExampleNoRedemptionYear03 351
5 Years rr_ExpenseExampleNoRedemptionYear05 619
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,385
DWS Emerging Markets Equity Fund | before tax | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 12.17%
5 Years rr_AverageAnnualReturnYear05 5.15%
10 Years rr_AverageAnnualReturnYear10 2.11%
Class Inception rr_AverageAnnualReturnInceptionDate May 29, 2001
DWS Emerging Markets Equity Fund | before tax | Class T  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 16.04%
5 Years rr_AverageAnnualReturnYear05 5.87%
10 Years rr_AverageAnnualReturnYear10 2.44%
Class Inception rr_AverageAnnualReturnInceptionDate Jun. 05, 2017
DWS Emerging Markets Equity Fund | before tax | Class C  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 18.20%
5 Years rr_AverageAnnualReturnYear05 5.61%
10 Years rr_AverageAnnualReturnYear10 1.92%
Class Inception rr_AverageAnnualReturnInceptionDate May 29, 2001
DWS Emerging Markets Equity Fund | before tax | Class R6  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 19.46%
Since Inception rr_AverageAnnualReturnSinceInception 11.78%
Class Inception rr_AverageAnnualReturnInceptionDate Sep. 07, 2018
DWS Emerging Markets Equity Fund | before tax | INST Class  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 19.35%
5 Years rr_AverageAnnualReturnYear05 6.67%
10 Years rr_AverageAnnualReturnYear10 3.01%
Class Inception rr_AverageAnnualReturnInceptionDate Mar. 03, 2008
DWS Emerging Markets Equity Fund | before tax | Class S  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 19.22%
5 Years rr_AverageAnnualReturnYear05 6.64%
10 Years rr_AverageAnnualReturnYear10 2.93%
Class Inception rr_AverageAnnualReturnInceptionDate May 08, 1996
DWS Emerging Markets Equity Fund | After tax on distributions | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 11.79%
5 Years rr_AverageAnnualReturnYear05 5.14%
10 Years rr_AverageAnnualReturnYear10 2.14%
DWS Emerging Markets Equity Fund | After tax on distributions and sale of fund shares | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 7.63%
5 Years rr_AverageAnnualReturnYear05 4.15%
10 Years rr_AverageAnnualReturnYear10 1.80%
DWS Emerging Markets Equity Fund | MSCI Emerging Markets Index (reflects no deduction for fees or expenses) | Class R6  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 18.42%
Since Inception rr_AverageAnnualReturnSinceInception 9.70%
DWS Emerging Markets Equity Fund | MSCI Emerging Markets Index (reflects no deduction for fees or expenses) | Class S  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 18.42%
5 Years rr_AverageAnnualReturnYear05 5.61%
10 Years rr_AverageAnnualReturnYear10 3.68%
[1] Investments of $1,000,000 or more may be eligible to buy Class A shares without a sales charge (load), but may be subject to a contingent deferred sales charge of 1.00% if redeemed within 12 months of the original purchase date and 0.50% if redeemed within the following six months.