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VanEck Morningstar Wide Moat Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading VanEck Morningstar Wide Moat Fund
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The VanEck Morningstar Wide Moat Fund seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the Morningstar® Wide Moat Focus IndexSM (the “Index”).
Expense [Heading] rr_ExpenseHeading FUND FEES AND EXPENSES
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. For Class Z shares, investors in programs or plans offered by financial intermediaries may be charged fees or commissions by those financial intermediaries which are not reflected in the expense example.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees(fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination May 1, 2026
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading PORTFOLIO TURNOVER
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate that the Fund pays 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 fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 91% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 91.00%
Expense Example [Heading] rr_ExpenseExampleHeading EXPENSE EXAMPLE
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock
The following example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then either redeem all of your shares at the end of these periods or continue to hold them. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same, and applies fee waivers and/or expense reimbursements, if any, for the periods indicated above under “Annual Fund Operating Expenses.” Although your actual expenses may be higher or lower, based on these assumptions, your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Sold or Held
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Sold or Held
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal conditions, the Fund invests at least 80% of its net assets in securities that comprise the Index. The Index is comprised of securities issued by companies that Morningstar, Inc. (“Morningstar”) determines to have sustainable competitive advantages based on a proprietary methodology that considers quantitative and qualitative factors (“wide moat companies”). Wide moat companies are selected from the universe of companies represented in the Morningstar® US Market IndexSM, a broad market index representing 97% of U.S. market capitalization. The Index targets a select group of wide moat companies: those that according to Morningstar’s equity research team are attractively priced as of each Index review. Out of the companies in the Morningstar® US Market IndexSM that Morningstar determines are wide moat companies, Morningstar selects companies to be included in the Index as determined by the ratio of Morningstar’s estimate of fair value of the issuer’s common stock to the price. Morningstar’s equity research fair value estimates are calculated using a standardized, proprietary valuation model. Wide moat companies may include medium-capitalization companies. The Fund’s 80% investment policy is non-fundamental and may be changed without shareholder approval upon 60 days’ prior written notice to shareholders. In seeking to achieve its investment objective, the Fund may also invest in VanEck Morningstar Wide Moat ETF (the “underlying fund”), an affiliated fund, which also seeks to replicate the price and yield performance of the Index, and such investment will count towards the Fund’s 80% investment policy. Additionally, the Fund may engage in active and frequent trading of its portfolio securities. A replication strategy is an indexing strategy that involves investing in the securities of the index in approximately the same proportions as the index.
As of December 31, 2024, the Index included 51 securities of companies with a market capitalization range of between approximately $7.51 billion to $3.13 trillion and a weighted average market capitalization of $171.27 billion. These amounts are subject to change. The Fund, using a “passive” or indexing investment approach, attempts to approximate the investment performance of the Index by investing in a portfolio of securities that generally replicates the Index. Unlike many investment companies that try to “beat” the performance of a benchmark index, the Fund does not try to “beat” the Index and does not seek temporary defensive positions when markets decline or appear overvalued. Indexing may eliminate the chance that the Fund will substantially outperform the Index but also may reduce some of the risks of active management, such as poor security selection. Indexing seeks to achieve lower costs and better after-tax performance by keeping portfolio turnover low in comparison to actively managed investment companies.The Fund may become “non-diversified” as defined under the Investment Company Act of 1940, as amended (the “1940 Act”), solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the Morningstar® Wide Moat Focus IndexSM (the “Index”). This means that the Fund may invest a greater percentage of its assets in a limited number of issuers than would be the case if the Fund were always managed as a diversified management investment company. The Fund intends to be diversified in approximately the same proportion as the Index. Shareholder approval will not be sought when the Fund crosses from diversified to non-diversified status due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index. The Fund may concentrate its investments in a particular industry or group of industries to the extent that the Index concentrates in an industry or group of industries. As of December 31, 2024, each of the consumer staples, health care, industrials and information technology sectors represented a significant portion of the Index. A more detailed description of the Index is contained in the “Description of the Morningstar® Wide Moat Focus IndexSM” section of this Prospectus.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal conditions, the Fund invests at least 80% of its net assets in securities that comprise the Index. The Index is comprised of securities issued by companies that Morningstar, Inc. (“Morningstar”) determines to have sustainable competitive advantages based on a proprietary methodology that considers quantitative and qualitative factors (“wide moat companies”).
Risk [Heading] rr_RiskHeading PRINCIPAL RISKS
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading PERFORMANCE
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual total returns compare with the Fund’s benchmark index and those of a broad measure of market performance. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. The annual returns in the bar chart are for the Fund’s Class Z shares.
Additionally, large purchases and/or redemptions of shares of a class, relative to the amount of assets represented by the class, may cause the annual returns for each class to differ. Updated performance information for the Fund is available on the VanEck website at vaneck.com.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following chart and table provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and by showing how the Fund’s average annual total returns compare with the Fund’s benchmark index and those of a broad measure of market performance.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress vaneck.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Class Z: Annual Total Returns (%) as of 12/31
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Best Quarter:+19.28%2Q 2020
Worst Quarter:-20.31%1Q 2020
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 19.28%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (20.31%)
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns as of 12/31/2024
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, or taxes)
Performance Table Uses Highest Federal Rate rr_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 rr_PerformanceTableNotRelevantToTaxDeferred The after-tax return information shown above does not apply to Fund shares held through a tax-advantaged account, such as a 401(k) plan or Investment Retirement Account.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown These returns are shown for one class of shares only; after-tax returns for the other classes may vary.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
See “License Agreements and Disclaimers” for important information.
VanEck Morningstar Wide Moat Fund | Risk Nondiversified Status [Member]  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Non-Diversification Risk. The Fund may become classified as “non-diversified” under the Investment Company Act of 1940 solely as a result of a change in relative market capitalization or index weighting of one or more constituents of the its Index. If the Fund becomes non-diversified, it may invest a greater portion of its assets in securities of a smaller number of individual issuers than a diversified fund. As a result, changes in the market value of a single investment could cause greater fluctuations in share price than would occur in a more diversified fund.
VanEck Morningstar Wide Moat Fund | Risk Lose Money [Member]  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock The Fund’s share price and return will fluctuate with changes in the market value of the Fund’s portfolio securities. Accordingly, an investment in the Fund involves the risk of losing money.
VanEck Morningstar Wide Moat Fund | Consumer Staples Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Consumer Staples Sector Risk. The Fund may be sensitive to, and its performance may depend to a greater extent on, the overall condition of the consumer staples sector. The consumer staples sector comprises companies whose businesses are less sensitive to economic cycles, such as manufacturers and distributors of food and beverages and producers of non-durable household goods and personal products. Companies in the consumer staples sector may be adversely affected by changes in the worldwide economy, consumer spending, competition, demographics and consumer preferences, exploration and production spending. Companies in this sector are also affected by changes in government regulation, world events and economic conditions.
VanEck Morningstar Wide Moat Fund | Competitive Advantage Assessment Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Competitive Advantage Assessment Risk. Morningstar may be incorrect in its assessment of the competitive advantages of the companies selected for inclusion in the Fund’s index, and the securities issued by such companies may underperform Morningstar’s expectations and have an adverse effect on the Fund’s overall performance. There can also be no assurance that wide or narrow moat companies will have sustainable competitive advantages for any period of time. Competitive advantages for wide and narrow moat companies may erode in a relatively short period of time due to, among other reasons, changes in laws and regulations, intellectual property rights, economic and political conditions and technological developments.
VanEck Morningstar Wide Moat Fund | Equity Securities Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Equity Securities Risk. The value of the equity securities held by the Fund may fall due to general market and economic conditions, perceptions regarding the markets in which the issuers of securities held by the Fund participate, or factors relating to specific issuers in which the Fund invests. For example, an adverse event, such as an unfavorable earnings report, may result in a decline in the value of equity securities of an issuer held by the Fund; the price of the equity securities of an issuer may be particularly sensitive to general movements in the securities markets; or a drop in the securities markets may depress the price of most or all of the equities securities held by the Fund. In addition, the equity securities of an issuer in the Fund’s portfolio may decline in price if the issuer fails to make anticipated dividend payments. Equity securities are subordinated to preferred securities and debt in a company’s capital structure with respect to priority to a share of corporate income, and
therefore will be subject to greater dividend risk than preferred securities or debt instruments. In addition, while broad market measures of equity securities have historically generated higher average returns than fixed income securities, equity securities have generally also experienced significantly more volatility in those returns.
VanEck Morningstar Wide Moat Fund | Health Care Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Health Care Sector Risk. Companies in the health care sector may be affected by extensive government regulation, restrictions on government reimbursement for medical expenses, rising costs of medical products and services, pricing pressure, an increased emphasis on outpatient services, limited number of products, industry innovation, changes in technologies and other market developments. Many health care companies are heavily dependent on patent protection. The expiration of patents may adversely affect the profitability of these companies. Many health care companies are subject to extensive litigation based on product liability and similar claims.
VanEck Morningstar Wide Moat Fund | High Portfolio Turnover Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
High Portfolio Turnover Risk.  The Fund may engage in active and frequent trading of its portfolio securities, which will result in increased transaction costs to the Fund, including brokerage commissions, dealer mark-ups and other transaction costs on the sale of the securities and on reinvestment in other securities. High portfolio turnover may also result in higher taxes when Fund Shares are held in a taxable account. The effects of high portfolio turnover may adversely affect Fund performance.
VanEck Morningstar Wide Moat Fund | Index Tracking Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Index Tracking Risk. The Fund’s return may not match the return of the Index for a number of reasons. For example, the Fund incurs operating expenses, including taxes, not applicable to the Index and incurs costs associated with buying and selling securities and entering into derivatives transactions (if applicable), especially when rebalancing the Fund’s securities holdings to reflect changes in the composition of the Index or (if applicable) raising cash to meet redemptions or deploying cash in connection with inflows into the Fund. Transaction costs, including brokerage costs, will decrease the Fund’s net asset value. Conversely, the Fund may generate earnings through its securities lending activities, which may increase the Fund’s return relative to the Index.
Market disruptions and regulatory restrictions could have an adverse effect on the Fund’s ability to adjust its exposure to the required levels in order to track the Index. The Index provider may rely on various sources of information to assess the criteria of components of the Index, including information that may be based on assumptions and estimates. Errors in the Index data, the Index computations and/or the construction of the Index in accordance with its methodology may occur from time to time, and the Index provider may not identify or correct them promptly or at all, which may have an adverse impact on the Fund and its shareholders. Shareholders should understand that any gains from the Index provider’s or others’ errors will be kept by the Fund and its shareholders and any losses or costs resulting from the Index provider’s or others’ errors will be borne by the Fund and its shareholders. Additionally, when the Index is rebalanced and the Fund in turn rebalances its portfolio to attempt to increase the correlation between the Fund’s portfolio and the Index, any transaction costs and market exposure arising from such portfolio rebalancing will be borne directly by the Fund and its shareholders. Apart from scheduled rebalances, the Index provider or its agents may carry out additional ad hoc rebalances to the Index. Therefore, errors and additional ad hoc rebalances carried out by the Index provider or its agents to the Index may increase the costs to and the tracking error risk of the Fund.
The Fund may not be fully invested at times either as a result of cash flows into the Fund or reserves of cash held by the Fund to pay expenses or to meet redemptions. In addition, the Fund may not invest in certain securities included in the Index, or invest in them in the exact proportions in which they are represented in the Index. The Fund’s performance may also deviate from the return of the Index for various reasons, including legal restrictions or limitations imposed by the governments of certain countries, certain exchange listing standards (where applicable), a lack of liquidity in markets in which such securities trade, potential adverse tax consequences or other regulatory reasons (such as diversification requirements). To the extent the Fund utilizes depositary receipts, the purchase of depositary receipts may negatively affect the Fund’s ability to track the performance of the Index and increase tracking error, which may be exacerbated if the issuer of the depositary receipt discontinues issuing new depositary receipts or withdraws existing depositary receipts.
The Fund may value certain of its investments, underlying currencies and/or other assets based on fair value prices. To the extent the Fund calculates its net asset value based on fair value prices and the value of the Index is based on securities’ closing prices on local foreign markets (i.e., the value of the Index is not based on fair value prices), the Fund’s ability to track the Index may be adversely affected. In addition, any issues the Fund encounters with regard to currency convertibility (including the cost of borrowing funds, if any), repatriation or economic sanctions may also increase the index tracking risk. The Fund’s performance may also deviate from the performance of the Index due to the impact of withholding taxes, late announcements relating to changes to the Index and high turnover of the Index. When markets are volatile, the ability to sell securities at fair value prices may be adversely impacted and may result in additional trading costs and/or increase the index tracking risk. The Fund may also need to rely on borrowings to meet redemptions, which may lead to increased expenses. For tax efficiency purposes, the Fund may sell certain securities, and such sale may cause the Fund to realize a loss and deviate from the performance of the Index. In light of the factors discussed above, the Fund’s return may deviate significantly from the return of the Index. Changes to the composition of the Index in connection with a rebalancing or reconstitution of the Index may cause the Fund to experience increased volatility, during which time the Fund’s index tracking risk may be heightened.
VanEck Morningstar Wide Moat Fund | Industrials Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Industrials Sector Risk. The Fund may be sensitive to, and its performance may depend to a greater extent on, the overall condition of the industrials sector. The industrials sector comprises companies who produce capital goods used in construction and manufacturing, such as companies that make and sell machinery, equipment and supplies that are used to produce other goods. Companies in the industrials sector may be adversely affected by changes in government regulation,
world events and economic conditions. In addition, companies in the industrials sector may be adversely affected by environmental damages, product liability claims and exchange rates.
VanEck Morningstar Wide Moat Fund | Industry Concentration Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Industry Concentration Risk. The Fund’s assets may be concentrated in an industry or group of industries. As such, the Fund may be subject to greater risks and market fluctuations than a fund whose portfolio has exposure to a broader range of industries. The Fund may be susceptible to financial, economic, political or market events, as well as government regulation, impacting a particular industry.
VanEck Morningstar Wide Moat Fund | Information Technology Sector Risk Meber  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Information Technology Sector Risk. The Fund may be sensitive to, and its performance may depend to a greater extent on, the overall condition of the information technology sector. Information technology companies face intense competition, both domestically and internationally, which may have an adverse effect on profit margins. Information technology companies may have limited product lines, markets, financial resources or personnel. The products of information technology companies may face product obsolescence due to frequent new product introduction, unpredictable changes in growth rates and competition for the services of qualified personnel. They may face unexpected risks and costs associated with technological developments, such as artificial intelligence and machine learning. Failure to introduce new products, develop and maintain a loyal customer base, or achieve general market acceptance for their products could have a material adverse effect on a company’s business. Further, many companies involved in, or exposed to, artificial intelligence-related businesses may be substantially exposed to the market and business risks of other industries or sectors, and the Fund may be adversely affected by negative developments impacting those companies, industries or sectors. Companies in the information technology sector are heavily dependent on patent protection and the expiration of patents may adversely affect the profitability of these companies. In addition, information technology may face increased government scrutiny and may be subject to adverse government or legal action.
VanEck Morningstar Wide Moat Fund | Market Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Market Risk. The prices of securities are subject to the risks associated with investing in the securities market, including general economic conditions, sudden and unpredictable drops in value, exchange trading suspensions and closures and public health risks. These risks may be magnified if certain social, political, economic and other conditions and events (such as natural disasters, epidemics and pandemics, terrorism, conflicts, social unrest, recessions, inflation, interest rate changes, supply chain disruptions, embargoes, tariffs, sanctions and other trade barriers) adversely interrupt the global economy; in these and other circumstances, such events or developments might affect companies world-wide. Overall securities values could decline generally or underperform other investments. An investment may lose money.
VanEck Morningstar Wide Moat Fund | Medium-Capitalization Companies Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Medium-Capitalization Companies Risk. Medium-capitalization companies may be more volatile and more likely than large-capitalization companies to have narrower product lines, fewer financial resources, less management depth and experience and less competitive strength. In addition, these companies often have greater price volatility, lower trading volume and less liquidity than larger more established companies. Returns on investments in securities of medium-capitalization companies could trail the returns on investments in securities of large-capitalization companies.
VanEck Morningstar Wide Moat Fund | Operational Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Operational Risk. The Fund is exposed to operational risk arising from a number of factors, including human error, processing and communication errors, errors of the Fund’s service providers, counterparties or other third-parties, failed or inadequate processes and technology or system failures.
VanEck Morningstar Wide Moat Fund | Passive Management Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock Passive Management Risk. Unlike many investment companies, the Fund is not “actively” managed. Therefore, unless a specific security/asset is removed from its Index, the Fund generally would not sell such a security/asset because the security’s issuer is in financial trouble. If a specific security/asset is removed from the Fund’s Index, the Fund may be forced to sell such security/asset at an inopportune time or for prices other than at current market values. An investment in the Fund involves risks similar to those of investing in any fund that invests in a similar asset class, such as market fluctuations caused by such factors as economic and political developments, changes in interest rates and perceived trends in security/asset prices. The Fund’s Index may not contain the appropriate or a diversified mix of securities and/or assets for any particular economic cycle. The timing of changes in the composition of the Fund’s portfolio in seeking to track its Index could have a negative effect on the Fund. Unlike with an actively managed fund, the Adviser does not use techniques or defensive strategies designed to lessen the effects of market volatility or to reduce the impact of periods of market decline. Additionally, unusual market conditions may cause the Fund’s Index provider to postpone a scheduled rebalance or reconstitution, which could cause the Fund’s Index to vary from its normal or expected composition. This means that, based on market and economic conditions, the Fund’s performance could be lower than funds that may actively shift their portfolio assets to take advantage of market opportunities or to lessen the impact of a market decline or a decline in the value of one or more issuers.
VanEck Morningstar Wide Moat Fund | Underlying Fund Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk [Text Block] rr_RiskTextBlock
Underlying Fund Risk. Through its investment in the underlying fund, the Fund is subject to the risks associated with the underlying fund’s investments, including the possibility that the value of the securities or other assets held by the underlying fund could decrease. These risks include any combination of the risks described in this Prospectus, although the Fund’s exposure to a particular risk will be proportionate to the Fund’s overall allocation and the underlying fund’s asset allocation. Additionally, the Fund will bear additional expenses based on its pro rata share of the underlying fund’s operating expenses.
VanEck Morningstar Wide Moat Fund | Morningstar® Wide Moat Focus Index (reflects no deduction for fees, taxes, or expenses)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, taxes, or expenses)
Label rr_AverageAnnualReturnLabel Morningstar® Wide Moat Focus Index (reflects no deduction for fees, taxes, or expenses)
1 Year rr_AverageAnnualReturnYear01 11.29%
5 Years rr_AverageAnnualReturnYear05 12.97%
Since Inception rr_AverageAnnualReturnSinceInception 14.50%
VanEck Morningstar Wide Moat Fund | S&P 500® Index (reflects no deduction for fees, expenses or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses, or taxes)
1 Year rr_AverageAnnualReturnYear01 25.02%
5 Years rr_AverageAnnualReturnYear05 14.53%
Since Inception rr_AverageAnnualReturnSinceInception 14.08%
VanEck Morningstar Wide Moat Fund | Class I  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol MWMIX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.45%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 1.11%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.56%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.97%) [1]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.59%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 60
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 397
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 758
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,774
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 60
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 397
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 758
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,774
Label rr_AverageAnnualReturnLabel Before Taxes
1 Year rr_AverageAnnualReturnYear01 10.64%
5 Years rr_AverageAnnualReturnYear05 12.25%
Since Inception rr_AverageAnnualReturnSinceInception 13.78%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 06, 2017
VanEck Morningstar Wide Moat Fund | Class I | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel After Taxes on Distributions1 [2]
1 Year rr_AverageAnnualReturnYear01 7.16% [2]
5 Years rr_AverageAnnualReturnYear05 9.09% [2]
Since Inception rr_AverageAnnualReturnSinceInception 10.55% [2]
VanEck Morningstar Wide Moat Fund | Class I | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 7.05%
5 Years rr_AverageAnnualReturnYear05 8.63%
Since Inception rr_AverageAnnualReturnSinceInception 9.90%
VanEck Morningstar Wide Moat Fund | Class Z  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol MWMZX
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (as a percentage of Offering Price) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.45%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.62%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.07%
Fee Waiver or Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.58%) [1]
Net Expenses (as a percentage of Assets) rr_NetExpensesOverAssets 0.49%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 50
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 283
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 534
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 1,253
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 50
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 283
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 534
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,253
Annual Return 2018 rr_AnnualReturn2018 (1.22%)
Annual Return 2019 rr_AnnualReturn2019 35.02%
Annual Return 2020 rr_AnnualReturn2020 14.31%
Annual Return 2021 rr_AnnualReturn2021 24.15%
Annual Return 2022 rr_AnnualReturn2022 (13.52%)
Annual Return 2023 rr_AnnualReturn2023 31.76%
Annual Return 2024 rr_AnnualReturn2024 10.73%
Label rr_AverageAnnualReturnLabel Before Taxes
1 Year rr_AverageAnnualReturnYear01 10.73%
5 Years rr_AverageAnnualReturnYear05 12.36%
Since Inception rr_AverageAnnualReturnSinceInception 13.89%
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 06, 2017
[1] Van Eck Associates Corporation (the “Adviser”) has agreed to waive fees and/or pay Fund expenses to the extent necessary to prevent the operating expenses of the Fund (excluding acquired fund fees and expenses, interest expense, trading expenses, dividends and interest payments on securities sold short, taxes and extraordinary expenses) from exceeding 0.59% for Class I and 0.49% for Class Z of the Fund’s average daily net assets per year until May 1, 2026. During such time, the expense limitation is expected to continue until the Board of Trustees acts to discontinue all or a portion of such expense limitation.
[2] 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. These returns are shown for one class of shares only; after-tax returns for the other classes may vary. Actual after-tax returns depend on your individual tax situation and may differ from those shown in the preceding table. The after-tax return information shown above does not apply to Fund shares held through a tax-advantaged account, such as a 401(k) plan or Investment Retirement Account.