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Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX)  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk/Return [Heading] oef_RiskReturnHeading Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) Class E Shares (NRAEX)
Objective [Heading] oef_ObjectiveHeading GOAL
Objective, Primary [Text Block] oef_ObjectivePrimaryTextBlock
The Fund seeks long-term growth of capital by investing primarily in securities of companies that meet the Fund’s Sustainable Investing Criteria.
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, 2027
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 10% of the average value of its portfolio.
Portfolio Turnover, Rate oef_PortfolioTurnoverRate 10.00%
Strategy [Heading] oef_StrategyHeading Principal Investment Strategies
Strategy Narrative [Text Block] oef_StrategyNarrativeTextBlock
To pursue its goal, the Fund seeks to invest predominantly in common stocks of mid- to large-capitalization companies that the Portfolio Manager believes to be high-quality selected in accordance with the Fund’s Sustainable Investing Criteria, which is described further below. The Fund defines “predominantly” for this purpose to mean at least 80% of the Fund’s net assets at the time of initial purchase. The Fund defines mid-capitalization companies as those with a total market capitalization of $2 billion and above and large-capitalization companies as those with a total market capitalization of $10 billion and above, both at the time of initial purchase. Please see the Statement of Additional Information for a detailed description of the Fund’s Sustainable Investing Criteria.
The Portfolio Manager employs a fundamental, research-driven approach to stock selection and portfolio construction, with a focus on long term sustainability issues that, in the judgement of the Portfolio Manager, are financially material.
This sustainable investment approach seeks to identify high quality, well-positioned companies with leadership that the Portfolio Manager believes exhibits management integrity and are focused on sustainability issues relevant to their business. In doing such,
the Portfolio Manager seeks to identify companies with certain practices, including (i) clear and relevant communication regarding management’s understanding, commitment to, and prioritization of, sustainability issues relevant to the business; (ii) identification and disclosure of material sustainability considerations and management objectives (e.g., sustainability-linked goals and targets, including their supply chain, or executive compensation frameworks linked to such goals and targets); and/or (iii) board-level oversight on material sustainability issues.
In seeking to identify companies that the Portfolio Manager believes to be high-quality, the Portfolio Manager looks for the following characteristics: solid balance sheets, durable business franchise with a sound business model (i.e., established businesses focused on long-term profitability and cash flow), high-integrity management teams with a history of successfully allocating capital and generating returns for shareholders, and a conservative capital structure. Furthermore, among companies that meet these criteria, the Portfolio Manager looks for companies exhibiting characteristics that in the Portfolio Manager’s judgement are consistent with Quality at a Reasonable Price (“QARP”). In determining his assessment of valuation, the Portfolio Manager may consider, return on invested capital (“ROIC”), his assessment of future economic earnings, free cash flow analysis, multiples of price to earnings, revenues, book values, or other fundamental metrics, with the objective of buying what the Portfolio Manager believes to be higher-quality companies at a reasonable price. While these judgments are inevitably subjective and may be informed by both internally generated and third-party metrics, the Portfolio Manager endeavors to avoid companies that do not meet his QARP investment framework.
Among companies that meet these criteria, the Portfolio Manager focuses on identifying companies that show leadership in financially material environmental, social and governance considerations, including: (i) environmental issues; (ii) safe and equitable workplace practices; (iii) constructive community relations; (iv) supply chain issues; (v) product integrity (e.g., safety, quality) and (vi) disclosure and sustainability reporting.
Consistent with the Portfolio Manager’s focus on selecting companies in accordance with the Fund’s Sustainable Investing Criteria, the Portfolio Manager focuses on identifying companies that are responsive to financially material environmental issues, including those that have identified and communicated climate-related risks and opportunities, have identified and communicated net-zero transition plans, have committed to or are transitioning to facilitate global decarbonization and/or the reduction of other greenhouse gas emissions; are agents of favorable change in workplace policies (particularly for women and minorities); are committed to upholding universal human rights standards; and are good corporate citizens. The Portfolio Manager judges companies on their corporate citizenship overall, considering their accomplishments as well as their goals. While these judgments are inevitably subjective, consistent with the Fund’s focus on selecting companies in accordance with the Fund’s Sustainable Investing Criteria, the Portfolio Manager endeavors to avoid companies that derive revenue from gambling or the production of alcohol, tobacco, weapons, nuclear power or private prisons. Consistent with the Portfolio Manager’s fundamental approach to stock selection and in an effort to enhance shareholder value, the Portfolio Manager may engage with companies on a variety of topics, including but not limited to, environmental impact, workplace policies, community relations, product integrity, supply chains, governance and disclosure practices, and other emerging issues. The Fund considers its environmental, social and governance criteria to be the same as its Sustainable Investing Criteria.
Although the Fund invests primarily in domestic stocks, it may also invest in stocks of foreign companies. The Fund seeks to reduce risk by investing across many different industries.
The Fund is a non-diversified fund, which means that it can invest more of its assets in fewer companies than a diversified fund.
The Portfolio Manager follows a disciplined selling strategy and may sell a security if the Portfolio Manager believes it is unattractively valued, 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 in equity securities, without providing shareholders at least 60 days’ notice. For this purpose, equity securities include common stock, preferred stock and securities convertible into common or preferred stock.
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.
The performance prior to December 6, 2023 is that of the Fund’s Investor Class, which is not offered through this prospectus. Class E would have substantially similar performance to Investor Class because the classes invest in the same portfolio of securities. Because Investor Class has higher expenses than Class E, its performance would have been lower than that of Class E.
Returns would have been lower if the Manager had not reimbursed certain expenses and/or waived a portion of the investment management fees during certain of the periods shown.
As of May 16, 2024, the Fund changed its investment policy to become “non-diversified” under the Investment Company Act of 1940. Its performance prior to this change might have been different if current policies had been in effect.
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
19.28%
Worst quarter:
Q1 2020
-21.54%
Year to Date performance as of:
09/30/2025
10.89%
Bar Chart, Returns for Class Not Offered in Prospectus [Text] oef_BarChartReturnsForClassNotOfferedInProspectus The performance prior to December 6, 2023 is that of the Fund’s Investor Class, which is not offered through this prospectus. Class E would have substantially similar performance to Investor Class because the classes invest in the same portfolio of securities. Because Investor Class has higher expenses than Class E, its performance would have been lower than that of Class E.
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 10.89%
Highest Quarterly Return, Label [Optional Text] oef_HighestQuarterlyReturnLabel Best quarter:
Highest Quarterly Return, Date oef_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return oef_BarChartHighestQuarterlyReturn 19.28%
Lowest Quarterly Return, Label [Optional Text] oef_LowestQuarterlyReturnLabel Worst quarter:
Lowest Quarterly Return, Date oef_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return oef_BarChartLowestQuarterlyReturn (21.54%)
Performance Table Heading oef_PerformanceTableHeading average annual total % returns as of 12/31/2024 
Index No Deduction for Fees, Expenses, or Taxes [Text] oef_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
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 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.
Average Annual Return, Caption [Optional Text] oef_AverageAnnualReturnCaption Quality Equity Fund
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | Risk Nondiversified Status [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock The Fund is classified as non-diversified. As such, the percentage of the Fund’s assets invested in any single issuer or a few issuers is not limited as much as it is for a fund classified as diversified. Investing a higher percentage of its assets in any one or a few issuers could increase the Fund’s risk of loss and its share price volatility, because the value of its shares would be more susceptible to adverse events affecting those issuers.
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | All Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Most of the Fund’s performance depends on what happens in the stock market, the Portfolio Manager's evaluation of those developments, and the success of the Portfolio Manager in implementing the Fund's investment strategies. The market's 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 and valuation.
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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | Foreign Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Foreign 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. World markets, or those in a particular region, may all react in similar fashion to important economic or political developments. In addition, foreign markets may perform differently than the U.S. market. The effect of economic instability on specific foreign markets or issuers may be difficult to predict or evaluate. 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.
Securities of issuers traded on foreign exchanges may be suspended, either by the issuers themselves, by an exchange, or by governmental authorities. 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. 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.
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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.
The Fund's portfolio may contain fewer securities than the portfolios of other funds, which increases the risk that the value of the Fund could go down because of the poor performance of one or a few investments.
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | Mid- and Large-Cap Companies Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Mid- and Large-Cap Companies Risk. At times, mid- and large-cap companies may be out of favor with investors. Compared to smaller companies, large-cap companies may be unable to respond as quickly to changes and opportunities and may grow at a slower rate. Compared to larger companies, 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 mid-cap companies are often more volatile 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | Non-Diversified Fund Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Non-Diversified Fund Risk. The Fund is classified as non-diversified. As such, the percentage of the Fund’s assets invested in any single issuer or a few issuers is not limited as much as it is for a fund classified as diversified. Investing a higher percentage of its assets in any one or a few issuers could increase the Fund’s risk of loss and its share price volatility, because the value of its shares would be more susceptible to adverse events affecting those issuers.
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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.
Issuer Specific Risk. As of February 6, 2026, approximately 10% of the Fund’s net assets are invested in Space Exploration Technologies Corp. (“Space X”), which is a private company with limited to no liquidity and restrictions on transfer of the stock. As noted above, pre-IPO investments may be subject to additional contractual restrictions on resale that would prevent the Fund from selling the company’s securities for a period of time following any IPO and we expect this to impact the Fund’s ability to sell Space X shares for a period of time following any IPO. Even after any such contractual restrictions expire, market liquidity for the shares may be limited, and the market price may be volatile, especially if all shares subject to such contractual restrictions are sold at the same time by the Fund and other market participants, which could negatively affect the Fund’s ability to sell shares at favorable prices.
Before investing in the Fund, investors should carefully consider publicly available information about Space X. There can be no assurances that the Fund will maintain its investment in Space X. However, for so long as the Fund maintains a significant investment in Space X, the Fund’s performance will be significantly affected by the performance of Space X both pre- and post-any IPO. In addition, the Fund could be adversely impacted by developments affecting space-related industries, artificial intelligence industries, social media, as well as market perceptions and sentiment and regulatory developments related to these industries and areas or to Space X or its management. Unanticipated outflows from the Fund or other factors, such as a general market downturn, could increase the Fund’s exposure to Space X and could limit the Fund’s ability to pay redemption proceeds or could force the Fund to sell Space X or its other securities at an unfavorable time and/or under unfavorable conditions.
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | Sustainable Investing Criteria Risk [Member]  
Prospectus [Line Items] oef_ProspectusLineItems  
Risk [Text Block] oef_RiskTextBlock
Sustainable Investing Criteria Risk. The Fund’s application of its Sustainable Investing Criteria is designed and utilized to help identify companies that demonstrate the potential to create economic value or reduce risk; however, as with the use of any investment criteria in selecting a portfolio, there is no guarantee that the criteria used by the Fund will result in the selection of issuers that will outperform other issuers, or help reduce risk in the portfolio. Investing based on the Fund’s Sustainable Investing Criteria is qualitative and subjective by nature and there is no guarantee that the criteria used by the Fund will reflect the beliefs or values of any particular investor. The use of the Fund’s Sustainable Investing Criteria could also affect the Fund’s exposure to certain issuers, sectors or industries, and could impact the Fund’s investment performance depending on whether the Sustainable Investing Criteria used are ultimately reflected in the market. Information used to evaluate the Fund’s application of its Sustainable Investing Criteria, like other information used to identify companies in which to invest, may not be readily available, complete, or accurate, which could negatively impact the Fund’s performance or create additional risk in the portfolio.
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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.
A summary of the Fund’s additional principal investment risks is as follows:
Neuberger Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | 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 Quality Equity Fund (formerly Neuberger Berman Sustainable Equity Fund) | Class E Shares (NRAEX) | Neuberger Quality Equity Fund Class E  
Prospectus [Line Items] oef_ProspectusLineItems  
Shareholder Fee, Other oef_ShareholderFeeOther $ 0
Management Fees (as a percentage of Assets) oef_ManagementFeesOverAssets 0.49%
Distribution and Service (12b-1) Fees oef_DistributionAndService12b1FeesOverAssets 0.00%
Other Expenses (as a percentage of Assets): oef_OtherExpensesOverAssets 0.05%
Expenses (as a percentage of Assets) oef_ExpensesOverAssets 0.54%
Fee Waiver or Reimbursement oef_FeeWaiverOrReimbursementOverAssets (0.49%)
Net Expenses (as a percentage of Assets) oef_NetExpensesOverAssets 0.05% [1]
Expense Example, with Redemption, 1 Year oef_ExpenseExampleYear01 $ 5
Expense Example, with Redemption, 3 Years oef_ExpenseExampleYear03 124
Expense Example, with Redemption, 5 Years oef_ExpenseExampleYear05 253
Expense Example, with Redemption, 10 Years oef_ExpenseExampleYear10 $ 630
Class E Shares (NRAEX) | S&P 500® Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] oef_ProspectusLineItems  
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
Average Annual Return, Percent oef_AvgAnnlRtrPct 25.02%
Average Annual Return, Percent oef_AvgAnnlRtrPct 14.53%
Average Annual Return, Percent oef_AvgAnnlRtrPct 13.10%
Class E Shares (NRAEX) | Neuberger Quality Equity Fund Class E  
Prospectus [Line Items] oef_ProspectusLineItems  
Annual Return [Percent] oef_AnnlRtrPct (0.41%)
Annual Return [Percent] oef_AnnlRtrPct 10.10%
Annual Return [Percent] oef_AnnlRtrPct 18.57%
Annual Return [Percent] oef_AnnlRtrPct (5.83%)
Annual Return [Percent] oef_AnnlRtrPct 25.87%
Annual Return [Percent] oef_AnnlRtrPct 19.38%
Annual Return [Percent] oef_AnnlRtrPct 23.43%
Annual Return [Percent] oef_AnnlRtrPct (18.61%)
Annual Return [Percent] oef_AnnlRtrPct 26.84%
Annual Return [Percent] oef_AnnlRtrPct 29.21%
Average Annual Return, Label [Optional Text] oef_AverageAnnualReturnLabel Return Before Taxes
Average Annual Return, Percent oef_AvgAnnlRtrPct 29.21%
Average Annual Return, Percent oef_AvgAnnlRtrPct 14.47%
Average Annual Return, Percent oef_AvgAnnlRtrPct 11.72%
Class E Shares (NRAEX) | Neuberger Quality Equity Fund Class E | 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 27.42%
Average Annual Return, Percent oef_AvgAnnlRtrPct 12.30%
Average Annual Return, Percent oef_AvgAnnlRtrPct 9.77%
Class E Shares (NRAEX) | Neuberger Quality Equity Fund Class E | 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 18.65%
Average Annual Return, Percent oef_AvgAnnlRtrPct 11.18%
Average Annual Return, Percent oef_AvgAnnlRtrPct 9.10%
[1] Neuberger Berman Investment Advisers LLC (“Manager”) has contractually agreed to waive its advisory fee for the Fund’s Class E shares. This undertaking lasts until 8/31/2027 and may not be terminated during its term without the consent of the Board of Trustees.