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Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX)  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk/Return [Heading] oef_RiskReturnHeading Neuberger Emerging Markets Equity Fund Class R6 Shares (NREMX)
Objective [Heading] oef_ObjectiveHeading GOAL
Objective, Primary [Text Block] oef_ObjectivePrimaryTextBlock
The Fund seeks long-term growth of capital.
Expense Heading [Optional Text] oef_ExpenseHeading Fees and Expenses
Expense Narrative [Text Block] oef_ExpenseNarrativeTextBlock
These tables describe the fees and expenses that you may pay if you buy, hold or sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and example below.
Shareholder Fees Caption [Optional Text] oef_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Optional Text] oef_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 oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination Aug. 31, 2029
Expenses Restated to Reflect Current [Text] oef_ExpensesRestatedToReflectCurrent “Management fees” have been restated to reflect current advisory fees, which are lower than prior advisory expenses.
Expense Example [Heading] oef_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] oef_ExpenseExampleNarrativeTextBlock
The expense example can help you compare costs among mutual funds. The example assumes that you invested $10,000 for the periods shown, that you redeemed all of your shares at the end of those periods, that the Fund earned a hypothetical 5% total return each year, and that the Fund’s expenses were those in the table. Actual performance and expenses may be higher or lower.
Portfolio Turnover [Heading] oef_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] oef_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 operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 67% of the average value of its portfolio.
Portfolio Turnover, Rate oef_PortfolioTurnoverRate 67.00%
Strategy [Heading] oef_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] oef_StrategyNarrativeTextBlock
To pursue its goal, the Fund normally invests at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in equity securities of issuers in emerging market countries. These include securities of companies (1) that are traded principally on a stock exchange or over-the-counter in emerging market countries, (2) that are organized under the laws of and/or have a principal office in emerging market countries, or (3) that derive 50% or more of their total revenues from, and/or have 50% or more of their total assets in, goods produced, sales made, profits generated or services performed in emerging market countries. The Fund considers emerging market countries to be countries included in the MSCI Emerging Markets Index.
The Portfolio Managers use a bottom-up, research-driven securities selection approach focusing on businesses which they believe exhibit a significant discount to intrinsic value while factoring in economic, legislative and business developments to identify countries and sectors that they believe may be particularly attractive.
The Portfolio Managers believe that in-depth, strategic and financial research is the key to identifying undervalued companies and seeks to identify companies that in their view have a strong potential for recovery or appear to be disproportionately impacted by market sentiment to regional, country-specific or sector-level events and which are trading at what they believe to be attractive valuations.
The Fund seeks to reduce risk by diversifying among many industries. At times, the Portfolio Managers may emphasize certain sectors that they believe will benefit from market or economic trends. Although the Fund has the flexibility to invest a significant portion of its assets in one country or region, it generally intends to invest across a broad range of countries and geographical regions. The Fund may also invest in equity securities of issuers located in frontier markets.
The Fund may invest in companies of any market capitalization. Equity securities in which the Fund may invest include common and preferred stocks, convertible securities, rights and warrants to purchase common stock, depositary receipts and China A-shares using the “connect programs” of local stock exchanges in China, such as the Shanghai-Hong Kong Stock Connect Program, the Shenzhen-Hong Kong Stock Connect Program or other similar programs.
The Fund may invest in exchange traded funds (“ETFs”). The Fund may also invest in foreign real estate companies.
The Fund may invest in restricted securities, including private placements, which are securities that are subject to legal restrictions on their sale and may not be sold to the public unless registered under the applicable securities law or pursuant to an applicable exemption. The Fund may also invest in private companies, including companies that have not yet issued securities publicly in an initial public offering.
The Portfolio Managers follow a disciplined selling strategy and may sell a security when it reaches a target price, if a company’s business fails to perform as expected, or when other opportunities appear more attractive.
The Fund will not change its strategy of normally investing at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in equity securities of issuers in emerging market countries, without providing shareholders at least 60 days’ notice. This test is applied at the time the Fund invests; later percentage changes caused by a change in Fund assets, market values or company circumstances will not require the Fund to dispose of a holding.
Bar Chart and Performance Table [Heading] oef_BarChartAndPerformanceTableHeading PERFORMANCE
Performance Narrative [Text Block] oef_PerformanceNarrativeTextBlock
The following bar chart and table provide an indication of the risks of investing in the Fund. The bar chart shows how the Fund’s performance has varied from year to year. The table below the bar chart shows what the returns would equal if you averaged out actual performance over various lengths of time and compares the returns with the returns of a broad based market index. The index, which is described in “Descriptions of Indices” in the prospectus, has characteristics relevant to the Fund’s investment strategy.
Returns would have been lower/higher if the Manager had not reimbursed/recouped certain expenses and/or waived a portion of the investment management fees during certain of the periods shown.
Past performance (before and after taxes) is not a prediction of future results. Visit www.nb.com or call 800-366-6264 for updated performance information.
Performance Information Illustrates Variability of Returns [Text] oef_PerformanceInformationIllustratesVariabilityOfReturns The bar chart shows how the Fund’s performance has varied from year to year. The table below the bar chart shows what the returns would equal if you averaged out actual performance over various lengths of time and compares the returns with the returns of a broad based market index.
Performance Availability Phone [Text] oef_PerformanceAvailabilityPhone 800-366-6264
Performance Availability Website Address [Text] oef_PerformanceAvailabilityWebSiteAddress www.nb.com
Performance Past Does Not Indicate Future [Text] oef_PerformancePastDoesNotIndicateFuture Past performance (before and after taxes) is not a prediction of future results.
Bar Chart [Heading] oef_BarChartHeading year-by-year % Returns as of 12/31 each year
Bar Chart Closing [Text Block] oef_BarChartClosingTextBlock
Best quarter:
Q2 2020
18.05%
Worst quarter:
Q1 2020
-23.70%
Year to Date performance as of:
09/30/2025
30.91%
Year to Date Return, Label [Optional Text] oef_YearToDateReturnLabel Year to Date performance as of:
Bar Chart, Year to Date Return, Date oef_BarChartYearToDateReturnDate Sep. 30, 2025
Bar Chart, Year to Date Return oef_BarChartYearToDateReturn 30.91%
Highest Quarterly Return, Label [Optional Text] oef_HighestQuarterlyReturnLabel Best quarter:
Highest Quarterly Return, Date oef_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return oef_BarChartHighestQuarterlyReturn 18.05%
Lowest Quarterly Return, Label [Optional Text] oef_LowestQuarterlyReturnLabel Worst quarter:
Lowest Quarterly Return, Date oef_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return oef_BarChartLowestQuarterlyReturn (23.70%)
Performance Table Heading oef_PerformanceTableHeading average annual total % returns as of 12/31/2024 
Performance Table Uses Highest Federal Rate oef_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred oef_PerformanceTableNotRelevantToTaxDeferred After-tax returns are not relevant to investors who hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table Explanation after Tax Higher oef_PerformanceTableExplanationAfterTaxHigher Return After Taxes on Distributions and Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of Fund shares.
Performance Table Closing [Text Block] oef_PerformanceTableClosingTextBlock
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local
taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns are not relevant to investors who
hold their Fund shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts. Return After Taxes on Distributions and
Sale of Fund Shares may be higher than other returns for the same period due to a tax benefit of realizing a capital loss upon the sale of Fund shares.
Average Annual Return, Caption [Optional Text] oef_AverageAnnualReturnCaption Emerging Markets Equity Fund
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Risk Lose Money [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock The value of your investment may fall, sometimes sharply, and you could lose money by investing in the Fund.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock The Fund is a mutual fund, not a bank deposit, and is not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | All Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Most of the Fund’s performance depends on what happens in international stock markets, the Portfolio Manager's evaluation of those developments, and the success of the Portfolio Manager in implementing the Fund's investment strategies. The markets' behavior can be difficult to predict, particularly in the short term. There can be no guarantee that the Fund will achieve its goal. The Fund may take temporary defensive and cash management positions; to the extent it does, it will not be pursuing its principal investment strategies.
The actual risk exposure taken by the Fund in its investment program will vary over time, depending on various factors including the Portfolio Manager's evaluation of issuer, political, regulatory, market, or economic developments. There can be no guarantee that the Portfolio Manager will be successful in his attempts to manage the risk exposure of the Fund or will appropriately evaluate or weigh the multiple factors involved in investment decisions, including issuer, market and/or instrument-specific analysis, valuation and financially material environmental, social and governance factors.
The Fund is a mutual fund, not a bank deposit, and is not guaranteed or insured by the Federal Deposit Insurance Corporation or any other government agency. The value of your investment may fall, sometimes sharply, and you could lose money by investing in the Fund.
Each of the following risks, which are described in alphabetical order and not in order of any presumed importance, can significantly affect the Fund’s performance. The relative importance of, or potential exposure as a result of, each of these risks will vary based on market and other investment-specific considerations.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Risks of Investments in China A-shares through Stock Connect Programs [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Risks of Investments in China A-shares through Stock Connect Programs. There are significant risks inherent in investing in China A-shares through “Connect Programs” of local stock exchanges in China, namely the Shanghai-Hong Kong Stock Connect Program (“Shanghai Connect Program”) and the Shenzhen-Hong Kong Stock Connect Program (“Shenzhen Connect Program”). The Chinese investment and banking systems are materially different in nature from many developed markets, which exposes investors to risks that are different from those in the U.S. The Connect Programs are subject to daily quota limitations, and an investor cannot purchase and sell the same security on the same trading day, which may restrict the Fund's ability to invest in China A-shares through the Connect Programs and to enter into or exit trades on a timely basis. If either one or both markets involved in a particular Connect Program are closed on a U.S. trading day, the Fund may not be able to dispose of its China A-shares in a timely manner under such Connect Program, which could adversely affect the Fund's performance. Only certain China
A-shares are eligible to be accessed through the Connect 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 Connect Programs.
Further regulations or restrictions, such as limitations on redemptions or suspension of trading, which Chinese regulators have used in the past, may adversely impact the Connect Programs and may increase volatility. The future impact of this integration of Chinese and foreign markets is unclear and the actual effect on the market for trading China A-shares with the introduction of large numbers of foreign investors is unknown.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Convertible Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Convertible Securities Risk. The value of a convertible security, which is a form of hybrid security (i.e., a security with both debt and equity characteristics), typically increases or decreases with the price of the underlying common stock. In general, a convertible security is subject to the market risks of stocks when the underlying stock’s price is high relative to the conversion price and is subject to the market risks of debt securities when the underlying stock’s price is low relative to the conversion price. The general market risks of debt securities that are common to convertible securities include, but are not limited to, interest rate risk and credit risk -- that is, the value of convertible securities will move in the direction opposite to movements in interest rates; they are subject to the risk that the issuer will not be able to pay interest or dividends when due; and their market value may change based on changes in the issuer’s credit rating or the market’s perception of the issuer’s creditworthiness. Many convertible securities have credit ratings that are below investment grade and are subject to the same risks as an investment in lower-rated debt securities (commonly known as “junk bonds”). Lower-rated debt securities may fluctuate more widely in price and yield than investment grade debt securities and may fall in price during times when the economy is weak or is expected to become weak. To the extent the Fund invests in convertible securities issued by small- or mid-cap companies, it will be subject to the risks of investing in such companies.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Currency Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Currency Risk. Currency risk is the risk that foreign currencies will decline in value relative to the U.S. dollar. To the extent that the Fund invests in securities or other instruments denominated in or indexed to foreign currencies, changes in currency exchange rates could adversely impact investment gains or add to investment losses. Currency exchange rates may fluctuate significantly over short periods of time and can be affected unpredictably by various factors, including investor perception and changes in interest rates; intervention, or failure to intervene, by U.S. or foreign governments, central banks, or supranational entities; or by currency controls or political or regulatory developments in the U.S. or abroad.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Depositary Receipts Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Depositary Receipts Risk. Depositary receipts are certificates issued by a financial institution evidencing ownership of underlying foreign securities. While depositary receipts involve many of the same risks of investing directly in the underlying foreign securities, they may be less liquid and more volatile than investing directly in such securities. Depositary receipts are subject to the risk of fluctuation in the currency exchange rate if, as is often the case, the underlying foreign securities are denominated in foreign currency, and there may be an imperfect correlation between the market value of depositary receipts and the underlying foreign securities.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Foreign and Emerging Market Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Foreign and Emerging Market Risk. Foreign securities involve risks in addition to those associated with comparable U.S. securities. Additional risks include exposure to less developed or less efficient trading markets; social, political, diplomatic, or economic instability; trade barriers and other protectionist trade policies (including those of the U.S.); imposition of economic sanctions against a particular country or countries, organizations, companies, entities and/or individuals; significant government involvement in an economy and/or market structure; fluctuations in foreign currencies or currency redenomination; potential for default on sovereign debt; nationalization or expropriation of assets; settlement, custodial or other operational risks; higher transaction costs; confiscatory withholding or other taxes; and less stringent auditing and accounting, corporate disclosure, governance, and legal standards. As a result, foreign securities may fluctuate more widely in price, and may also be less liquid, than comparable U.S. securities. Regardless of where a company is organized or its stock is traded, its performance may be affected significantly by events in regions from which it derives its profits or in which it conducts significant operations.
Investing in emerging market countries involves risks in addition to and greater than those generally associated with investing in more developed foreign countries. The governments of emerging market countries may be more unstable and more likely to impose capital controls, nationalize a company or industry, place restrictions on foreign ownership and on withdrawing sale proceeds of securities from the country, intervene in the financial markets, and/or impose burdensome taxes that could adversely affect security prices. To the extent a foreign security is denominated in U.S. dollars, there is also the risk that a foreign government will not let U.S. dollar-denominated assets leave the country. In addition, the economies of emerging market countries may be dependent on relatively few industries that are more susceptible to local and global changes. Emerging market countries may also have less developed legal and accounting systems, and their legal systems may deal with issuer bankruptcies and defaults differently than U.S. law would. Securities markets in emerging market countries are also relatively small and have substantially lower trading volumes. Securities of issuers in emerging market countries may be more volatile and less liquid than
securities of issuers in foreign countries with more developed economies or markets and the situation may require that the Fund fair value its holdings in those countries.
Securities of issuers traded on foreign exchanges may be suspended, either by the issuers themselves, by an exchange, or by governmental authorities. The likelihood of such suspensions may be higher for securities of issuers in emerging or less-developed market countries than in countries with more developed markets. Trading suspensions may be applied from time to time to the securities of individual issuers for reasons specific to that issuer, or may be applied broadly by exchanges or governmental authorities in response to market events. Suspensions may last for significant periods of time, during which trading in the securities and in instruments that reference the securities, such as derivative instruments, may be halted. In the event that the Fund holds material positions in such suspended securities or instruments, the Fund’s ability to liquidate its positions or provide liquidity to investors may be compromised and the Fund could incur significant losses.
From time to time, based on market or economic conditions, the Fund may invest a significant portion of its assets in one country or geographic region. If the Fund does so, there is a greater risk that economic, political, regulatory, diplomatic, social and environmental conditions in that particular country or geographic region may have a significant impact on the Fund’s performance and that the Fund’s performance will be more volatile than the performance of more geographically diversified funds.
Most economies in the Greater China region are generally considered emerging markets and carry the risks associated with emerging markets, as well as risks particular to the region. Events in any one country within the region may impact other countries in the region or the Greater China region as a whole. The economies, industries, and securities and currency markets of the Greater China region may be adversely affected by slow economic activity worldwide, protectionist trade policies, dependence on exports and international trade, currency devaluations and other currency exchange rate fluctuations, restrictions on monetary repatriation, increasing competition from Asia’s low-cost emerging economies, environmental events and natural disasters that may occur in the Greater China region, and military conflicts either in response to social unrest or with other countries.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Frontier Markets Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Frontier Markets Risk. Frontier markets, which are foreign countries in the earliest stages of development, involve risks in addition to and greater than foreign and emerging markets. Investing in frontier markets involves unique risks, such as exposure to economies less diverse and mature than those of more developed foreign markets. Frontier markets are subject to economic, political, and socioeconomic instability that may cause larger price movements in frontier market securities than in securities of issuers based in more developed foreign markets, including securities of issuers in emerging markets. Frontier markets generally receive less investor attention than more developed markets, including those in emerging markets, and may have a high concentration of market capitalization and trading volume in a small number of companies representing a limited number of industries. Frontier market securities are subject to extreme volatility and extended periods of illiquidity. In addition, the currencies of frontier market countries may exhibit erratic movements.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Growth Stock Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Growth Stock Risk. Because the prices of most growth stocks are based on future expectations, these stocks tend to be more sensitive than value stocks to bad economic news and negative earnings surprises. When these expectations are not met or decrease, the prices of these stocks may decline, sometimes sharply, even if earnings showed an absolute increase. Bad economic news or changing investor perceptions may adversely affect growth stocks across several sectors and industries simultaneously.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Issuer-Specific Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Issuer-Specific Risk. An individual security may be more volatile, and may perform differently, than the market as a whole.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Liquidity Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Liquidity Risk. From time to time, the trading market for a particular investment in which the Fund invests, or a particular type of instrument in which the Fund is invested, may become less liquid or even illiquid. Illiquid investments frequently can be more difficult to purchase or sell at an advantageous price or time, and there is a greater risk that the investments may not be sold for the price at which the Fund is carrying them. Certain investments that were liquid when the Fund purchased them may become illiquid, sometimes abruptly. Additionally, market closures due to holidays or other factors may render a security or group of securities (e.g., securities tied to a particular country or geographic region) illiquid for a period of time. An inability to sell a portfolio position can adversely affect the Fund’s value or prevent the Fund from being able to take advantage of other investment opportunities. Market prices for such securities or other investments may be volatile. During periods of substantial market volatility, an investment or even an entire market segment may become illiquid, sometimes abruptly, which can adversely affect the Fund’s ability to limit losses.
Unexpected episodes of illiquidity, including due to market or political factors, instrument or issuer-specific factors and/or unanticipated outflows or other factors, may limit the Fund’s ability to pay redemption proceeds within the allowable time period. To meet redemption requests during periods of illiquidity, the Fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Market Capitalization Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Market Capitalization Risk. To the extent the Fund invests in securities of small-, mid-, or large-cap companies, it takes on the associated risks. At times, any of these market capitalizations may be out of favor with investors. Compared to small- and mid-cap companies, large-cap companies may be unable to respond as quickly to changes and opportunities and may grow at a slower rate. Compared to large-cap companies, small- and mid-cap companies may depend on a more limited management group, may have a shorter history of operations, less publicly available information, less stable earnings and limited product lines, markets or financial resources. The securities of small- and mid-cap companies are often more volatile, which at times can be rapid and unpredictable, and less liquid than the securities of larger companies and may be more affected than other types of securities by the underperformance of a sector, during market downturns, by adverse publicity and investor perceptions, by interest rate changes and by government regulation.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Market Volatility Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Market Volatility Risk. Markets may be volatile and values of individual securities and other investments, including those of a particular type, may decline significantly in response to adverse issuer, political, regulatory, market, economic or other developments that may cause broad changes in market value, public perceptions concerning these developments, and adverse investor sentiment or publicity. Geopolitical and other risks, including environmental and public health risks may add to instability in world economies and markets generally. Changes in value may be temporary or may last for extended periods. If the Fund sells a portfolio position before it reaches its market peak, it may miss out on opportunities for better performance.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Other Investment Company Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Other Investment Company Risk. To the extent the Fund invests in other investment companies, including money market funds and exchange-traded funds (ETFs), its performance will be affected by the performance of those other investment companies. Investments in other investment companies are subject to the risks of the other investment companies’ investments, as well as to the other investment companies’ expenses.
An ETF may trade in the secondary market at a price below the value of its underlying portfolio, may not be liquid and may be halted by the listing exchange. An actively managed ETF’s performance will reflect its adviser’s ability to make investment decisions that are suited to achieving the ETF’s investment objectives. A passively managed ETF may not replicate the performance of the index it intends to track.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Preferred Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Preferred Securities Risk. Preferred securities, which are a form of hybrid security (i.e., a security with both debt and equity characteristics), may pay fixed or adjustable rates of return. Preferred securities are subject to issuer-specific and market risks applicable generally to equity securities, however, unlike common stocks, participation in the growth of an issuer may be limited. Distributions on preferred securities are generally payable at the discretion of the issuer’s board of directors and after the company makes required payments to holders of its debt securities. For this reason, preferred securities are subject to greater credit, interest, and liquidation risk than debt securities, and the value of preferred securities will usually react more strongly than debt securities to actual or perceived changes in the company’s financial condition or prospects. Preferred securities of smaller companies may be more vulnerable to adverse developments than preferred securities of larger companies. Preferred securities may be less liquid than common stocks.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Private Companies and Pre-IPO Investments Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Private Companies and Pre-IPO Investments Risk. Investments in private companies, including companies that have not yet issued securities publicly in an initial public offering (“IPO”) (“pre-IPO shares”), involve greater risks than investments in securities of companies that have traded publicly on an exchange for extended periods of time. Investments in these companies are generally less liquid than investments in securities issued by public companies and may be difficult for the Fund to value. Compared to public companies, private companies may have a more limited management group and limited operating histories with narrower, less established product lines and smaller market shares, which may cause them to be more vulnerable to competitors’ actions, market conditions and consumer sentiment with respect to their products or services, as well as general economic downturns. In addition, private companies may have limited financial resources and may be unable to meet their obligations. The Fund may only have limited access to a private company’s actual financial results and there is no assurance that the information obtained by the Fund is reliable. These companies may not ever issue shares in an IPO and a liquid market for their shares may never develop, which could adversely affect the Fund’s liquidity. If the company does issue shares in an IPO, IPOs are risky and volatile and may cause the value of the Fund’s investment to decrease significantly. Moreover, because securities issued by private companies are generally not freely or publicly tradable, the Fund may not have the opportunity to purchase, or the ability to sell, these securities in the amounts, or at the prices, the Fund desires.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Private Placements and Other Restricted Securities Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Private Placements and Other Restricted Securities Risk. Private placements and other restricted securities, including securities for which Fund management has material non-public information, are securities that are subject to legal and/or contractual restrictions on their sales. These securities may not be sold to the public unless certain conditions are met, which may include registration under the applicable securities laws. As a result of the absence of a public trading market, the prices of these securities may be more difficult to determine than publicly traded securities and these securities may involve heightened risk as compared to
investments in securities of publicly traded companies. Private placements and other restricted securities may be illiquid, and it frequently can be difficult to sell them at a time when it may otherwise be desirable to do so or the Fund may be able to sell them only at prices that are less than what the Fund regards as their fair market value. Transaction costs may be higher for these securities. In addition, the Fund may get only limited information about the issuer of a private placement or other restricted security.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Recent Market Conditions [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Recent Market Conditions. Both U.S. and international markets have experienced significant volatility in recent years. As a result of such volatility, investment returns may fluctuate significantly. National economies are substantially interconnected, as are global financial markets, which creates the possibility that conditions in one country or region might adversely impact issuers in a different country or region. However, the interconnectedness of economies and/or markets may be diminishing or changing, which may impact such economies and markets in ways that cannot be foreseen at this time.
Some countries, including the U.S., have adopted more protectionist trade policies, which is a trend that appears to be continuing globally. Slowing global economic growth, the rise in protectionist trade policies, inflationary pressures, changes to some major international trade and security agreements, risks associated with the trade and security agreement between countries and regions, including the U.S. and other foreign nations, political or economic dysfunction within some countries or regions, including the U.S., and dramatic changes in consumer sentiment, commodity prices and currency values could affect the economies and markets of many nations, including the U.S., in ways that cannot necessarily be foreseen at the present time and may create significant volatility in the markets. In addition, these policies, including the impact on the U.S. dollar, may decrease foreign demand for U.S. assets, which could have a negative impact on certain issuers and/or industries.
The Federal Reserve and certain foreign central banks have started to lower interest rates, though economic or other factors, such as inflation, could stop such changes. It is difficult to accurately predict the pace at which interest rates might change, the timing, frequency or magnitude of any such changes in interest rates, or when such changes might stop or again reverse course. Additionally, various economic and political factors could cause the Federal Reserve or other foreign central banks to change their approach in the future and such actions may result in an economic slowdown both in the U.S. and abroad. Unexpected changes in interest rates could lead to significant market volatility or reduce liquidity in certain sectors of the market. Deteriorating economic fundamentals may, in turn, increase the risk of default or insolvency of particular issuers, negatively impact market value, cause credit spreads to widen, and reduce bank balance sheets. Any of these could cause an increase in market volatility, reduce liquidity across various markets or decrease confidence in the markets.
Regulators in the U.S. have adopted a number of changes to regulations involving the markets and issuers, some of which apply to the Fund. The full effect of such regulations is not currently known and certain changes to regulation could limit the Fund’s ability to pursue its investment strategies or make certain investments, may make it more costly for it to operate, or adversely impact performance. Additionally, it is possible that such regulations could be further revised or rescinded, which creates material uncertainty on their impact to the Fund.
Advancements in technology, including advanced development and increased regulation of artificial intelligence, may adversely impact market movements and liquidity. As artificial intelligence is used more widely, which can occur relatively rapidly, the profitability and growth of certain issuers and industries may be negatively impacted in ways that cannot be foreseen and could adversely impact its performance.
Tensions, war, or open conflict between nations, such as between Russia and Ukraine, in the Middle East, or in eastern Asia could affect the economies of many nations, including the United States. The duration of ongoing hostilities and any sanctions and related events cannot be predicted. Those events present material uncertainty and risk with respect to markets globally and the performance of the Fund and its investments or operations could be negatively impacted.
High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. There is no assurance that the U.S. Congress will act to raise the nation’s debt ceiling; a failure to do so could cause market turmoil and substantial investment risks that cannot now be fully predicted. Unexpected political, regulatory and diplomatic events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy.
Global climate change can have potential effects on property and security values. Certain issuers, industries and regions may be adversely affected by the impact of climate change in ways that cannot be foreseen. The impact of legislation, regulation and international accords related to climate change, including any direct or indirect consequences that may not be foreseen, may negatively impact certain issuers, industries and regions.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Redemption Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Redemption Risk. The Fund may experience periods of large or frequent redemptions that could cause the Fund to sell assets at inopportune times, which could have a negative impact on the Fund’s overall liquidity, or at a loss or depressed value. Redemption risk is greater to the extent that one or more investors or intermediaries control a large percentage of investments in the Fund and the risk is heightened during periods of declining or illiquid markets. Large redemptions could hurt the Fund’s performance, increase transaction costs, and create adverse tax consequences.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | REITs and Other Real Estate Companies Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
REITs and Other Real Estate Companies Risk. REITs and other real estate company securities are subject to risks similar to those of direct investments in real estate and the real estate industry in general, including, among other risks: general and local economic conditions; changes in interest rates; declines in property values; defaults by mortgagors or other borrowers and tenants; increases in property taxes and other operating expenses; overbuilding in their sector of the real estate market; fluctuations in rental income; lack of availability of mortgage funds or financing; extended vacancies of properties, especially during economic downturns; changes in tax and regulatory requirements; losses due to environmental liabilities; casualty or condemnation losses; changing social trends regarding working arrangements; or other economic, social, political, or regulatory matters affecting the real estate industry. REITs also are dependent upon the skills and creditworthiness of their managers, subject to heavy cash flow dependency or self-liquidation and generally not diversified.
Regardless of where a REIT is organized or traded, its performance may be affected significantly by events in the region where its properties are located. Domestic REITs could be adversely affected by failure to qualify for tax-free “pass-through” of distributed net investment income and net realized gains under the Internal Revenue Code of 1986, as amended, (“Code”) or to maintain their exemption from registration under the Investment Company Act of 1940, as amended. The value of REIT common shares may decline when interest rates rise. REITs and other real estate company securities tend to be small- to mid-cap securities and are subject to the risks of investing in small- to mid-cap securities.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Sector Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Sector Risk. From time to time, based on market or economic conditions, the Fund may have significant positions in one or more sectors of the market. To the extent the Fund invests more heavily in particular sectors, its performance will be especially sensitive to developments that significantly affect those sectors. Individual sectors or sub-sectors may be more volatile, and may perform differently, than the broader market. The industries that constitute a sector may all react in the same way to economic, political or regulatory events.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Securities Lending Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Securities Lending Risk. Securities lending involves a possible delay in recovery of the loaned securities or a possible loss of rights in the collateral should the borrower fail financially. The Fund could also lose money if the value of the collateral decreases.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Value Stock Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Value Stock Risk. Value stocks are those stocks whose stock prices, whether based on earnings, book value, or other financial measures, do not reflect their full economic opportunities. Value stocks may remain undervalued for extended periods of time, may decrease in value during a given period, may not ever realize what the portfolio management team believes to be their full value, or the portfolio management team’s assumptions about intrinsic value or potential for appreciation may be incorrect. This may happen, among other reasons, because of a failure to anticipate which stocks or industries would benefit from changing market or economic conditions or investor preferences.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Risks of Investing in Variable Interest Entities [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Risks of Investing in Variable Interest Entities. For purposes of raising capital offshore on exchanges outside of the People's Republic of China (PRC), including on U.S. exchanges, many PRC-based operating companies are structured as entities commonly-referred to as variable interest entities (“VIEs”). In a typical VIE structure, the onshore PRC-based operating company is the VIE and establishes an entity, which is typically offshore in a foreign jurisdiction, such as the Cayman Islands. The offshore entity enters into contractual arrangements with the VIE and lists on an exchange outside of the PRC and issues exchange-traded shares that are sold to the public, including the Fund. This structure enables PRC companies in which the PRC government restricts foreign ownership to raise capital from foreign investors. While the offshore entity has no legal equity ownership of the VIE, its contractual arrangements with the VIE permit the offshore entity to consolidate the VIE's financial statements with its own for Financial Accounting Standards Board accounting purposes and provide for economic exposure to the performance of the underlying onshore PRC-based operating company. Therefore, an investor in the listed offshore entity, such as the Fund, will have exposure to the onshore PRC-based operating company only through its contractual arrangements with the VIE and has no legal ownership in the VIE. Furthermore, because the offshore entity only has specific rights provided for in these contractual arrangements with the VIE, its abilities to control the activities of the VIE are limited and the VIE may engage in activities that negatively impact the investment value. While the VIE structure has been widely adopted, it is not formally or legally recognized under PRC law and therefore there is a risk that the PRC government could restrict the effectiveness of such structures or negatively impact the VIE's contractual arrangements with the listed offshore entity by making them invalid under PRC law. If the agreements are breached or if the agreements are otherwise determined not to be enforceable under PRC law, investors in the listed offshore entity, such as the Fund, may suffer significant losses with little or no recourse available. If the PRC government
determines that the contractual agreements involving VIE structures do not comply with PRC laws and regulations, including those related to restrictions on foreign ownership, it could subject a VIE to numerous sanctions such as penalties, revocation of business and operating licenses, invalidate or terminate contractual arrangements and/or forfeiture or non-recognition of ownership interest.
In addition, PRC companies listed on U.S. exchanges, including ADRs and companies that rely on VIE structures, may be delisted if they do not meet U.S. accounting standards and auditor oversight requirements. Delisting could significantly decrease the liquidity and value of the securities of these companies, decrease the ability of a Fund to invest in such securities and increase the cost of the Fund if it is required to seek alternative markets in which to invest in such securities.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Warrants and Rights Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Warrants and Rights Risk. Warrants and rights do not carry with them the right to dividends or voting rights with respect to the securities that they entitle their holder to purchase, and they do not represent any rights in the assets of the issuer. As a result, warrants and rights may be considered more speculative than certain other types of investments. In addition, the value of a warrant or right does not necessarily change with the value of the underlying securities. The Fund could lose the value of a warrant or right if the right to subscribe to additional shares is not exercised prior to the warrant’s or right’s expiration date. The market for warrants and rights may be very limited and there may at times not be a liquid secondary market for warrants and rights.
A summary of the Fund’s additional principal investment risks is as follows:
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Risk of Increase in Expenses [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Risk of Increase in Expenses. A decline in the Fund’s average net assets during the current fiscal year due to market volatility or other factors could cause the Fund’s expenses for the current fiscal year to be higher than the expense information presented in “Fees and Expenses.”
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Operational and Cybersecurity Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Operational and Cybersecurity Risk. The Fund and its service providers, and your ability to transact with the Fund, may be negatively impacted due to operational matters arising from, among other problems, human errors, processing and communications errors, counterparty and third-party disruptions or errors, systems and technology disruptions or failures, or cybersecurity incidents. Cybersecurity incidents may allow an unauthorized party to gain access to fund assets, customer data, or proprietary information, or cause the Fund or its service providers, as well as the securities trading venues and their service providers, to suffer data corruption or lose operational functionality, including those related to critical functions. Cybersecurity incidents can result from deliberate attacks or unintentional events. It is not possible for the Manager or the other Fund service providers to identify all of the cybersecurity or other operational risks that may affect the Fund or to develop processes and controls to completely eliminate or mitigate their occurrence or effects. Most issuers in which the Fund invests are heavily dependent on computers for data storage and operations, and require ready access to the internet to conduct their business. Thus, cybersecurity incidents could also affect issuers of securities in which the Fund invests, leading to significant loss of value.
Artificial Intelligence. The Fund and its service providers, including its adviser, may utilize artificial intelligence (“AI”) technologies, including machine learning models and generative AI, to improve operational efficiency and in connection with research. In addition, counterparties used by the Fund may utilize AI in their business activities. While the Manager may restrict certain uses of AI tools, the Fund and its adviser are not in a position to control the use of AI in third-party products or services. The use of AI introduces numerous potential challenges and the use of AI can lead to reputational damage, legal liabilities, and competitive disadvantages, as well as negatively impact business operations, which may occur with or without mismanagement in the use of the AI. AI requires the collection and processing of substantial amounts of data, which poses risks of data inaccuracies, incompleteness, and inherent biases, and which can degrade the technology’s effectiveness and reliability. Such data can include proprietary information, the use of which by AI may be unauthorized and subject to potential liability. Rapid technological advancements further complicate risk predictions, and competitors who adopt AI more swiftly may gain a competitive edge. The complexity and opacity of AI systems raise significant accountability and ethical concerns. AI has enhanced the ability of threat actors to amplify the potency, scale, and speed of cybersecurity attacks. AI’s role in increasing automation raises concerns about job displacement and may lead to economic and social disruptions. The unpredictable nature of AI’s impact on market dynamics complicates traditional risk assessment models, making it challenging to identify risks and opportunities using historical data. Legal and regulatory frameworks governing AI’s use, particularly concerning data privacy and protection, are evolving rapidly. These changes could materially alter how AI is used, which may negatively impact the Fund.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Risk Management [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Risk Management. Risk is an essential part of investing. No risk management program can eliminate the Fund’s exposure to adverse events; at best, it may only reduce the possibility that the Fund will be affected by such events, and especially those risks that are not intrinsic to the Fund’s investment program. The Fund could experience losses if judgments about risk prove to be incorrect.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Valuation Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Valuation Risk. The Fund may not be able to sell an investment at the price at which the Fund has valued the investment. Such differences could be significant, particularly for illiquid securities and securities that trade in relatively thin markets and/or markets that experience extreme volatility. If market or other conditions make it difficult to value an investment, the Fund may be required to value such investments using more subjective methods, known as fair value methodologies. Using fair value methodologies to price investments may result in a value that is different from an investment’s most recent price and from the prices used by other funds to calculate their NAVs. The Fund uses pricing services to provide values for certain securities and there is no assurance that the Fund will be able to sell an investment at the price established by such pricing services. The Fund’s ability to value its investments in an accurate and timely manner may be impacted by technological issues and/or errors by third party service providers, such as pricing services or accounting agents.
Neuberger Emerging Markets Equity Fund | Class R6 Shares (NREMX) | Neuberger Emerging Markets Equity Fund Class R6  
Prospectus [Line Items] oef_ProspectusLineItems  
Shareholder Fee, Other oef_ShareholderFeeOther $ 0
Management Fees (as a percentage of Assets) oef_ManagementFeesOverAssets 0.80% [1]
Distribution and Service (12b-1) Fees oef_DistributionAndService12b1FeesOverAssets 0.00%
Other Expenses (as a percentage of Assets): oef_OtherExpensesOverAssets 0.34%
Expenses (as a percentage of Assets) oef_ExpensesOverAssets 1.14%
Fee Waiver or Reimbursement oef_FeeWaiverOrReimbursementOverAssets (0.25%)
Net Expenses (as a percentage of Assets) oef_NetExpensesOverAssets 0.89% [2]
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 91
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 284
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 551
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 $ 1,315
Class R6 Shares (NREMX) | MSCI Emerging Markets Index (Net) (reflects reinvested dividends net of withholding taxes, but reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel MSCI Emerging Markets Index (Net) (reflects reinvested dividends net of withholding taxes, but reflects no deduction for fees, expenses or taxes)
Average Annual Return, Percent oef_AvgAnnlRtrPct 7.50%
Average Annual Return, Percent oef_AvgAnnlRtrPct 1.70%
Average Annual Return, Percent oef_AvgAnnlRtrPct 3.64%
Class R6 Shares (NREMX) | Neuberger Emerging Markets Equity Fund Class R6  
Prospectus [Line Items] oef_ProspectusLineItems  
Annual Return [Percent] oef_AnnlRtrPct (11.49%)
Annual Return [Percent] oef_AnnlRtrPct 9.32%
Annual Return [Percent] oef_AnnlRtrPct 41.69%
Annual Return [Percent] oef_AnnlRtrPct (17.25%)
Annual Return [Percent] oef_AnnlRtrPct 19.06%
Annual Return [Percent] oef_AnnlRtrPct 13.45%
Annual Return [Percent] oef_AnnlRtrPct (3.19%)
Annual Return [Percent] oef_AnnlRtrPct (23.77%)
Annual Return [Percent] oef_AnnlRtrPct 4.80%
Annual Return [Percent] oef_AnnlRtrPct 12.96%
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Return Before Taxes
Average Annual Return, Percent oef_AvgAnnlRtrPct 12.96%
Average Annual Return, Percent oef_AvgAnnlRtrPct (0.18%)
Average Annual Return, Percent oef_AvgAnnlRtrPct 2.96%
Class R6 Shares (NREMX) | Neuberger Emerging Markets Equity Fund Class R6 | After Taxes on Distributions  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Return After Taxes on Distributions
Average Annual Return, Percent oef_AvgAnnlRtrPct 12.89%
Average Annual Return, Percent oef_AvgAnnlRtrPct (0.37%)
Average Annual Return, Percent oef_AvgAnnlRtrPct 2.74%
Class R6 Shares (NREMX) | Neuberger Emerging Markets Equity Fund Class R6 | After Taxes on Distributions and Sales  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
Average Annual Return, Percent oef_AvgAnnlRtrPct 7.72%
Average Annual Return, Percent oef_AvgAnnlRtrPct (0.14%)
Average Annual Return, Percent oef_AvgAnnlRtrPct 2.30%
[1] “Management fees” have been restated to reflect current advisory fees, which are lower than prior advisory expenses.
[2] Neuberger Berman Investment Advisers LLC (“Manager”) has contractually undertaken to waive and/or reimburse certain fees and expenses of Class R6 so that the total annual operating expenses (excluding interest, brokerage commissions, acquired fund fees and expenses, taxes including any expenses relating to tax reclaims, dividend and interest expenses relating to short sales, and extraordinary expenses, if any) (“annual operating expenses”) are limited to 0.88% of average net assets. This undertaking lasts until 8/31/2029 and may not be terminated during its term without the consent of the Board of Trustees. The Fund has agreed that Class R6 will repay the Manager for fees and expenses waived or reimbursed for that class provided that repayment does not cause annual operating expenses to exceed 0.88% of its average net assets. Any such repayment must be made within three years after the year in which the Manager incurred the expense.