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Transamerica International Focus Investment Risks - Retail Class [Member] - Transamerica International Focus
Oct. 31, 2025
Market [Member]  
Prospectus [Line Items]  
Risk [Text Block] Market – The market prices of the fund’s securities or other assets may go up or down, sometimes rapidly or unpredictably, due to factors such as economic events, inflation, changes in interest rates, governmental actions or interventions, actions taken by the U.S. Federal Reserve or foreign central banks, market disruptions caused by tariffs, trade disputes, labor strikes, supply chain disruptions or other factors, government shutdowns, political developments, civil unrest, acts of terrorism, armed conflicts, economic sanctions, countermeasures in response to sanctions, cybersecurity events, technological developments (such as artificial intelligence and machine learning) investor sentiment, the global and domestic effects of widespread or local health, weather or climate events, and other factors that may or may not be related to the issuer of the security or other asset. The market price of a security may also fall due to specific conditions that affect a particular sector of the securities market, a particular industry or a particular issuer or group of issuers. To the extent that securities of certain issuers behave or are perceived to behave similarly to each other, the market prices of those securities (or the market as a whole) may fall in response to a decline in the price of a particular security or group of securities. If the market prices of the fund’s securities and assets fall, the value of your investment in the fund could go down. Economies and financial markets throughout the world are increasingly interconnected. Events or circumstances in one or more countries or regions could be highly disruptive to, and have profound impacts on, global economies or markets. As a result, whether or not the fund invests in securities of issuers located in or with significant exposure to the countries directly affected, the value and liquidity of the fund’s investments may go down. The long-term consequences to the U.S. economy of the continued expansion of U.S. government debt and deficits are not known. Also, raising the ceiling on U.S. government debt and periodic legislation to fund the government have become increasingly politicized. Any failure to do either could lead to a default on U.S. government obligations, with unpredictable consequences for the fund’s investments, and generally for economies and markets in the U.S. and elsewhere.
Growth Stocks [Member]  
Prospectus [Line Items]  
Risk [Text Block] Growth Stocks – Returns on growth stocks may not move in tandem with returns on other categories of stocks or the market as a whole. Growth stocks typically are particularly sensitive to market movements and may involve larger price swings because their market prices tend to reflect future expectations. When it appears those expectations may not be met, the prices of growth stocks typically fall. Growth stocks may also be more volatile because they often do not pay dividends. The values of growth stocks tend to go down when interest rates rise because the rise in interest rates reduces the current value of future cash flows. Growth stocks as a group may be out of favor and underperform the overall equity market for a long period of time, for example, while the market favors “value” stocks.
Foreign Investments [Member]  
Prospectus [Line Items]  
Risk [Text Block] Foreign Investments – Investing in securities of foreign issuers or issuers with significant exposure to foreign markets involves additional risks. Foreign markets can be less liquid, less regulated, less transparent and more volatile than U.S. markets. The value of the fund’s foreign investments may decline, sometimes rapidly or unpredictably, because of factors affecting the particular issuer as well as foreign markets and issuers generally, such as unfavorable government actions, including nationalization, expropriation or confiscatory taxation, reduction of government or central bank support, tariffs and trade disruptions, sanctions, political or financial instability, social unrest or other adverse economic or political developments. Foreign investments may also be subject to different accounting practices and different regulatory, legal, auditing, financial reporting and recordkeeping standards and practices, and may be more difficult to value than investments in U.S. issuers. Certain foreign clearance and settlement procedures may result in an inability to execute transactions or delays in settlement.
Focused Investing [Member]  
Prospectus [Line Items]  
Risk [Text Block] Focused Investing – To the extent the fund invests a significant portion of its assets in a limited number of countries, regions, sectors, industries or market segments, in a limited number of issuers, or in issuers in related businesses or that are subject to related operating risks, the fund will be more susceptible to negative events affecting those countries, regions, sectors, industries, segments or issuers, and the value of its shares may be more volatile than if it invested more widely.
Equity Securities [Member]  
Prospectus [Line Items]  
Risk [Text Block] Equity Securities – Equity securities generally have greater risk of loss than debt securities. Stock markets are volatile and the value of equity securities may go up or down, sometimes rapidly and unpredictably. The market price of an equity security may fluctuate based on overall market conditions, such as real or perceived adverse economic or political conditions or trends, tariffs and trade disruptions, wars, social unrest, inflation, substantial economic downturn or recession, changes in interest rates, or adverse investor sentiment. The market price of an equity security also may fluctuate based on real or perceived factors affecting a particular industry or industries or the company itself. If the market prices of the equity securities owned by the fund fall, the value of your investment in the fund will decline. The fund may lose its entire investment in the equity securities of an issuer. A change in financial condition or other event affecting a single issuer may adversely impact securities markets as a whole.
Currency [Member]  
Prospectus [Line Items]  
Risk [Text Block] Currency – The value of a fund’s investments in securities denominated in foreign currencies increases or decreases as the rates of exchange between those currencies and the U.S. dollar change. U.S. dollar-denominated securities of foreign issuers may also be affected by currency risk. Currency exchange rates can be volatile and may fluctuate significantly over short periods of time. Currency conversion costs and currency fluctuations could reduce or eliminate investment gains or add to investment losses. A fund may be unable or may choose not to hedge its foreign currency exposure or any hedge may not be effective.
Large Capitalization Companies [Member]  
Prospectus [Line Items]  
Risk [Text Block] Large Capitalization Companies – The fund’s investments in larger, more established companies may underperform other segments of the market because they may be less responsive to competitive challenges and opportunities and unable to attain high growth rates during periods of economic expansion.
Management [Member]  
Prospectus [Line Items]  
Risk [Text Block] Management – The value of your investment may go down if the investment manager’s or sub-adviser's judgments and decisions are incorrect or otherwise do not produce the desired results, or if the investment strategy does not work as intended. You may also suffer losses if there are imperfections, errors or limitations in the quantitative, analytic or other tools, resources, information and data used, investment techniques applied, or the analyses employed or relied on, by the investment manager or sub-adviser, if such tools, resources, information or data are used incorrectly or otherwise do not work as intended, or if the investment manager’s or sub-adviser's investment style is out of favor or otherwise fails to produce the desired results. Any of these things could cause the fund to lose value or its results to lag relevant benchmarks or other funds with similar objectives.
Active Trading [Member]  
Prospectus [Line Items]  
Risk [Text Block] Active Trading – The fund may engage in active trading of its portfolio. Active trading will increase transaction costs and could detract from performance. Active trading may be more pronounced during periods of market volatility and may generate greater amounts of short-term capital gains.
China A Shares [Member]  
Prospectus [Line Items]  
Risk [Text Block] China A–Shares – The fund may invest in equity securities of certain Chinese companies, directly or through exchange-traded funds (“ETFs”), collectively referred to as China A-shares, through the Shanghai-Hong Kong Stock Connect program or the Shenzhen-Hong Kong Stock Connect program (collectively, the “Programs”). The Programs are subject to daily quota limitations, which may restrict the fund’s ability to invest in China A-shares through the Programs and to enter into or exit trades on a timely basis. The Shanghai and Shenzhen markets may be open at a time when the Programs are not trading, with the result that prices of China A-shares may fluctuate at times when the fund is unable to add to or exit its position. Only certain China A-shares are eligible to be accessed through the Programs. Such securities may lose their eligibility at any time, in which case they could be sold but could no longer be purchased through the Programs. Because the Programs are new, the actual effect on the market for trading China A-shares with the introduction of large numbers of foreign investors is currently unknown. Further, regulations or restrictions, such as limitations on redemptions, suspension of trading and limitations on profits, may adversely impact the Programs and/or the fund’s investments through the Programs. There is no guarantee that applicable exchanges in Hong Kong and mainland China will continue to support the Programs in the future. Investments in China A-shares are subject to risks specific to the China market. Any significant change in mainland China’s political, social or economic policies may have a negative impact on investments in the China market. In addition, uncertainties in mainland China tax legislation could result in unexpected tax liabilities for a fund and therefore could affect the amount of income which may be derived, and the amount of capital returned, from the investments in China A-shares by the fund.
Convertible Securities [Member]  
Prospectus [Line Items]  
Risk [Text Block] Convertible Securities – Convertible securities are subject to risks associated with both fixed-income and equity securities. For example, if market interest rates rise, the value of a convertible security typically falls. In addition, a convertible security is subject to the risk that the issuer will not be able to pay interest or dividends when due, and the market value of the security may change based on the issuer’s actual or perceived creditworthiness. Since the convertible security derives a portion of its value from the underlying common stock, the security is also subject to the same types of market and issuer-specific risks that apply to the underlying common stock. Convertible securities generally offer lower interest or dividend yields than non-convertible securities of similar quality.
Country Focus [Member]  
Prospectus [Line Items]  
Risk [Text Block] Country Focus – To the extent the fund focuses its investments in a particular geographic region or country, or in securities quoted or denominated in the currency of a particular country, the fund may be subject to increased currency, political, regulatory, economic and other risks associated with that region or country. A natural or other disaster could occur in a geographic region in which the fund invests, which could affect the economy or particular business operations of companies in the specific geographic region. As a result, the fund may be subject to greater price volatility and risk of loss than a fund holding more geographically diverse investments.
Cybersecurity [Member]  
Prospectus [Line Items]  
Risk [Text Block] Cybersecurity – Cybersecurity incidents, both intentional and unintentional, may allow an unauthorized party to gain access to fund assets, fund or shareholder data (including private shareholder information), or proprietary information, cause the fund or its service providers (including, but not limited to, the fund’s investment manager, any sub-adviser(s), transfer agent, distributor, custodian, fund accounting agent and financial intermediaries) to suffer data breaches, data corruption or loss of operational functionality, or prevent fund investors from purchasing, redeeming or exchanging shares, receiving distributions or receiving timely information regarding the fund or their investment in the fund. Cybersecurity incidents may render records of fund assets and transactions, shareholder ownership of fund shares, and other data integral to the functioning of the fund inaccessible, inaccurate or incomplete. The use of artificial intelligence and machine learning could exacerbate these risks. Cybersecurity incidents may result in financial losses to the fund and its shareholders, and substantial costs may be incurred in order to prevent or mitigate any future cybersecurity incidents.
Depositary Receipts [Member]  
Prospectus [Line Items]  
Risk [Text Block] Depositary Receipts – Depositary receipts are generally subject to the same risks as are the foreign securities that they evidence or into which they may be converted, and they may be less liquid than the underlying shares in their primary trading market. In addition, depositary receipts expose the fund to risk associated with the non-uniform terms that apply to depositary receipt programs, credit exposure to the depositary bank and to the sponsors and other parties with whom the depositary bank establishes the programs. Holders of depositary receipts may have limited voting rights, and investment restrictions in certain countries may adversely impact the value of depositary receipts because such restrictions may limit the ability to convert equity shares into depositary receipts and vice versa.
Emerging Markets [Member]  
Prospectus [Line Items]  
Risk [Text Block] Emerging Markets – Investments in securities of issuers located or doing business in emerging markets are subject to heightened foreign investments risks and may experience rapid and extreme changes in value. Emerging market countries tend to have less developed and less stable economic, political and legal systems and regulatory and accounting standards, may have policies that restrict investment by foreigners or that prevent foreign investors such as the fund from withdrawing their money at will, and are more likely to experience nationalization, expropriation and confiscatory taxation. Emerging market securities may have low trading volumes and may be or become illiquid. In addition, there may be significant obstacles to obtaining information necessary for investigations into or litigation against issuers located in or operating in emerging market countries, and shareholders may have limited legal remedies.
Large Shareholder [Member]  
Prospectus [Line Items]  
Risk [Text Block] Large Shareholder – A significant portion of the fund’s shares may be owned by one or more investment vehicles or institutional investors. Transactions by these large shareholders may be disruptive to the management of the fund. For example, the fund may experience large redemptions and could be required to sell securities at a time when it may not otherwise desire to do so. Such transactions may increase the fund’s brokerage and/or other transaction costs. These transactions may also accelerate the realization of taxable capital gains to shareholders. In addition, sizeable redemptions could cause the fund’s total expenses to increase.
Liquidity [Member]  
Prospectus [Line Items]  
Risk [Text Block] Liquidity – The fund may make investments that are illiquid or that become illiquid after purchase. Illiquid investments can be difficult to value, may trade at a discount from comparable, more liquid investments, and may be subject to wide fluctuations in value. Liquidity risk may be magnified in rising interest rate or volatile environments. If the fund is forced to sell an illiquid investment to meet redemption requests or other cash needs, the fund may be forced to sell at a substantial loss or may not be able to sell at all. Liquidity of particular investments, or even entire asset classes, including U.S. Treasury securities, can deteriorate rapidly, particularly during times of market turmoil, and those investments may be difficult or impossible for the fund to sell. This may prevent the fund from limiting losses.
Preferred Stock [Member]  
Prospectus [Line Items]  
Risk [Text Block] Preferred Stock – Preferred stocks may pay fixed or adjustable rates of return. Preferred stocks are subject to issuer-specific and market risks applicable generally to equity securities, but also risks associated with fixed-income securities, such as interest rate risk. A company’s preferred stocks generally pay dividends only after the company makes required payments to creditors, including holders of its bonds and other debt. As a result, the market prices of preferred stocks are typically more sensitive to changes in the issuer's creditworthiness than are the prices of debt securities. The market value of preferred stocks generally decreases when interest rates rise.
Real Estate Securities [Member]  
Prospectus [Line Items]  
Risk [Text Block] Real Estate Securities – Investments in the real estate industry are subject to risks associated with direct investment in real estate. These risks include declines in the value of real estate, adverse general and local economic conditions, increased competition, overbuilding and changes in laws and regulations affecting real estate, operating expenses, property taxes and interest rates. If the fund’s real estate-related investments are concentrated in one geographic area or one property type, the fund will also be subject to the risks associated with that one area or property type. The value of the fund’s real estate-related securities will not necessarily track the value of the underlying investments of the issuers of such securities.
REITs [Member]  
Prospectus [Line Items]  
Risk [Text Block] REITs – Investing in real estate investment trusts (“REITs”) involves unique risks. When the fund invests in REITs, it is subject to risks generally associated with investing in real estate. A REIT’s performance depends on the types and locations of the properties it owns, how well it manages those properties and cash flow. REITs may have limited financial resources, may trade less frequently and in limited volume, may engage in dilutive offerings, and may be subject to more abrupt or erratic price movements than the overall securities markets. In addition to its own expenses, the fund will indirectly bear its proportionate share of any management and other expenses paid by REITs in which it invests. U.S. REITs are subject to a number of highly technical tax-related rules and requirements; and a U.S. REIT’s failure to qualify for the favorable U.S. federal income tax treatment generally available to U.S. REITs could result in corporate-level taxation, significantly reducing the return on an investment to the fund.
Sector Focus [Member]  
Prospectus [Line Items]  
Risk [Text Block] Sector Focus – To the extent the fund invests more heavily in a particular market sector, the value of the fund’s shares will be especially sensitive to developments that significantly affect that sector and there is increased risk that the fund will lose significant value if conditions adversely affect that sector. Individual sectors may be more volatile, and may perform differently, from the broader market.
Small And Medium Capitalization Companies [Member]  
Prospectus [Line Items]  
Risk [Text Block] Small and Medium Capitalization Companies – The fund will be exposed to additional risks as a result of its investments in the securities of small or medium capitalization companies. Small or medium capitalization companies may be more at risk than large capitalization companies because, among other things, they may have limited product lines, operating history, market or financial resources, or because they may depend on a limited management group. Securities of small and medium capitalization companies may be more volatile than and may underperform large capitalization companies, may have limited liquidity, may be harder to sell at times and at prices the portfolio managers believe appropriate and may offer greater potential for losses.
Sustainability and or Environmental Social and Governance ESG Considerations [Member]  
Prospectus [Line Items]  
Risk [Text Block] Sustainability and/or Environmental, Social and Governance (“ESG”) Considerations – The sub-adviser considers sustainability and/or ESG factors that it deems relevant, along with other factors and analysis, when sub-advising the fund. This usage of sustainability and/or ESG factors or criteria is sometimes referred to as “ESG integration.” The sub-adviser may consider sustainability and/or ESG factors on a meaningful portion of the fund’s investments. The sub-adviser may give little or no weight to sustainability and/or ESG factors for certain investments, and not every sustainability and/or ESG factor may be identified or evaluated for every investment. Consideration of sustainability and/or ESG factors is not determinative in the sub-adviser’s investment process, and the sub-adviser may conclude that other attributes of an investment outweigh sustainability and/or ESG considerations when making investment decisions. Applying sustainability and/or ESG factors as part of the fund’s security selection process may impact the sub-adviser’s investment decisions and may affect the fund’s exposure to risks associated with certain issuers, asset classes, industries and sectors. Sustainability and ESG factors are not uniformly defined and applying such factors involves subjective assessments. Sustainability and ESG ratings and assessments of issuers can vary across investment advisers (including sub-advisers) and third party data providers and may change over time. Sustainability and ESG factors can be difficult to apply consistently across issuers, regions, countries, industries and sectors. The application of these factors could negatively impact the fund’s performance. Sustainability and ESG information from issuers and from third party data providers may be incomplete, delayed, inaccurate or unavailable, which could lead to an incorrect assessment of a company’s sustainability or ESG characteristics. Regulation of sustainability and ESG investing in the U.S. and abroad is evolving. Regulatory changes with respect to ESG integration could impact the sub-adviser’s ability to consider sustainability and/or ESG criteria as part of its investment process.
Valuation [Member]  
Prospectus [Line Items]  
Risk [Text Block] Valuation – Certain investments may be more difficult to value than other types of investments. The sales price the fund could receive for any particular portfolio investment may differ from the fund's valuation of the investment, particularly for securities that trade in thin or volatile markets, that are priced based upon valuations provided by third party pricing services, or that are valued using a fair value methodology. These differences may increase significantly and affect fund investments more broadly during periods of market volatility. Investors who purchase or redeem fund shares on days when the fund is holding fair-valued securities may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the fund had not fair-valued securities or had used a different valuation methodology. The fund’s ability to value its investments may also be impacted by technological issues and/or errors by pricing services or other third party service providers. Fair value pricing involves subjective judgment, which may prove to be incorrect.
Warrants And Rights [Member]  
Prospectus [Line Items]  
Risk [Text Block] Warrants and Rights – Warrants and rights may be considered more speculative than certain other types of investments because they do not entitle a holder to the dividends or voting rights for the securities that may be purchased, and they do not represent any rights in the assets of the issuing company. If the price of the stock to which the warrant or right relates does not rise above the exercise price or the warrant or right otherwise is not exercised before the expiration date, it generally expires without any value and the fund will lose any amount it paid for the warrant or right.
Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] You may lose money if you invest in this fund.
Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investment in the fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.