This semi-annual shareholder report contains important information about the CM Commodity Index Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

You can find additional information about the Fund at https://www.vaneck.com/us/en/etf-mutual-fund-finder/mutual-funds/documents/. You can also request this information by contacting us at 800.826.2333 or info@vaneck.com.

Additional Information Phone Number

800.826.2333

Additional Information Email

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Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class A	$48	0.95%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 48

Expense Ratio, Percent

0.95%

^[1]

AssetsNet

$ 566,937,187

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,240,465

InvestmentCompanyPortfolioTurnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$566,937,187
Number of Portfolio Holdings21
Portfolio Turnover Rate-%
Advisory Fees Paid$1,240,465

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities^{Footnote Reference*}		1.5%
Money Market Fund		4.5%
Government		94.0%

Footnote	Description
Footnote^*	Includes net unrealized appreciation (depreciation) on total return swap contracts of 0.2%

Exposure Basis Explanation [Text Block]

Includes net unrealized appreciation (depreciation) on total return swap contracts of 0.2%

Updated Prospectus Web Address

C000090897

Shareholder Report [Line Items]

Fund Name

CM Commodity Index Fund

Class Name

Class I

Trading Symbol

COMIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the CM Commodity Index Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class I	$33	0.65%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 33

Expense Ratio, Percent

0.65%

^[2]

AssetsNet

$ 566,937,187

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,240,465

InvestmentCompanyPortfolioTurnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$566,937,187
Number of Portfolio Holdings21
Portfolio Turnover Rate-%
Advisory Fees Paid$1,240,465

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities^{Footnote Reference*}		1.5%
Money Market Fund		4.5%
Government		94.0%

Footnote	Description
Footnote^*	Includes net unrealized appreciation (depreciation) on total return swap contracts of 0.2%

Exposure Basis Explanation [Text Block]

Includes net unrealized appreciation (depreciation) on total return swap contracts of 0.2%

Updated Prospectus Web Address

C000090898

Shareholder Report [Line Items]

Fund Name

CM Commodity Index Fund

Class Name

Class Y

Trading Symbol

CMCYX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the CM Commodity Index Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Y	$35	0.70%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 35

Expense Ratio, Percent

0.70%

^[3]

AssetsNet

$ 566,937,187

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,240,465

InvestmentCompanyPortfolioTurnover

0.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$566,937,187
Number of Portfolio Holdings21
Portfolio Turnover Rate-%
Advisory Fees Paid$1,240,465

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities^{Footnote Reference*}		1.5%
Money Market Fund		4.5%
Government		94.0%

Footnote	Description
Footnote^*	Includes net unrealized appreciation (depreciation) on total return swap contracts of 0.2%

Exposure Basis Explanation [Text Block]

Includes net unrealized appreciation (depreciation) on total return swap contracts of 0.2%

Updated Prospectus Web Address

C000114413

Shareholder Report [Line Items]

Fund Name

Emerging Markets Bond Fund

Class Name

Class A

Trading Symbol

EMBAX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Bond Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class A	$64	1.23%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 64

Expense Ratio, Percent

1.23%

^[4]

AssetsNet

$ 62,391,729

Holdings Count | Holding

108

Advisory Fees Paid, Amount

$ 121,254

InvestmentCompanyPortfolioTurnover

118.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$62,391,729
Number of Portfolio Holdings108
Portfolio Turnover Rate118%
Advisory Fees Paid$121,254

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(1.4)%
Other Investments		1.7%
Money Market Fund		3.0%
Industrials		1.0%
Real Estate		1.1%
Financials		1.7%
Energy		6.6%
Government		86.3%

Updated Prospectus Web Address

C000117963

Shareholder Report [Line Items]

Fund Name

Emerging Markets Bond Fund

Class Name

Class I

Trading Symbol

EMBUX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Bond Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class I	$46	0.89%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 46

Expense Ratio, Percent

0.89%

^[5]

AssetsNet

$ 62,391,729

Holdings Count | Holding

108

Advisory Fees Paid, Amount

$ 121,254

InvestmentCompanyPortfolioTurnover

118.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$62,391,729
Number of Portfolio Holdings108
Portfolio Turnover Rate118%
Advisory Fees Paid$121,254

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(1.4)%
Other Investments		1.7%
Money Market Fund		3.0%
Industrials		1.0%
Real Estate		1.1%
Financials		1.7%
Energy		6.6%
Government		86.3%

Updated Prospectus Web Address

C000117964

Shareholder Report [Line Items]

Fund Name

Emerging Markets Bond Fund

Class Name

Class Y

Trading Symbol

EMBYX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Bond Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Y	$51	0.98%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 51

Expense Ratio, Percent

0.98%

^[6]

AssetsNet

$ 62,391,729

Holdings Count | Holding

108

Advisory Fees Paid, Amount

$ 121,254

InvestmentCompanyPortfolioTurnover

118.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$62,391,729
Number of Portfolio Holdings108
Portfolio Turnover Rate118%
Advisory Fees Paid$121,254

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(1.4)%
Other Investments		1.7%
Money Market Fund		3.0%
Industrials		1.0%
Real Estate		1.1%
Financials		1.7%
Energy		6.6%
Government		86.3%

Updated Prospectus Web Address

C000024992

Shareholder Report [Line Items]

Fund Name

Emerging Markets Fund

Class Name

Class A

Trading Symbol

GBFAX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class A	$86	1.60%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 86

Expense Ratio, Percent

1.60%

^[7]

AssetsNet

$ 377,877,048

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,081,327

InvestmentCompanyPortfolioTurnover

16.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$377,877,048
Number of Portfolio Holdings73
Portfolio Turnover Rate16%
Advisory Fees Paid$1,081,327

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(2.0)%
Other Investments		0.8%
Consumer Staples		1.0%
Energy		4.1%
Health Care		4.9%
Communication Services		5.5%
Real Estate		7.6%
Industrials		11.1%
Information Technology		17.7%
Consumer Discretionary		22.6%
Financials		26.7%

Updated Prospectus Web Address

C000033045

Shareholder Report [Line Items]

Fund Name

Emerging Markets Fund

Class Name

Class I

Trading Symbol

EMRIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class I	$54	1.00%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 54

Expense Ratio, Percent

1.00%

^[8]

AssetsNet

$ 377,877,048

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,081,327

InvestmentCompanyPortfolioTurnover

16.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$377,877,048
Number of Portfolio Holdings73
Portfolio Turnover Rate16%
Advisory Fees Paid$1,081,327

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(2.0)%
Other Investments		0.8%
Consumer Staples		1.0%
Energy		4.1%
Health Care		4.9%
Communication Services		5.5%
Real Estate		7.6%
Industrials		11.1%
Information Technology		17.7%
Consumer Discretionary		22.6%
Financials		26.7%

Updated Prospectus Web Address

C000088110

Shareholder Report [Line Items]

Fund Name

Emerging Markets Fund

Class Name

Class Y

Trading Symbol

EMRYX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Y	$59	1.10%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 59

Expense Ratio, Percent

1.10%

^[9]

AssetsNet

$ 377,877,048

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,081,327

InvestmentCompanyPortfolioTurnover

16.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$377,877,048
Number of Portfolio Holdings73
Portfolio Turnover Rate16%
Advisory Fees Paid$1,081,327

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(2.0)%
Other Investments		0.8%
Consumer Staples		1.0%
Energy		4.1%
Health Care		4.9%
Communication Services		5.5%
Real Estate		7.6%
Industrials		11.1%
Information Technology		17.7%
Consumer Discretionary		22.6%
Financials		26.7%

Updated Prospectus Web Address

C000214759

Shareholder Report [Line Items]

Fund Name

Emerging Markets Fund

Class Name

Class Z

Trading Symbol

EMRZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Emerging Markets Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Z	$48	0.90%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 48

Expense Ratio, Percent

0.90%

^[10]

AssetsNet

$ 377,877,048

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,081,327

InvestmentCompanyPortfolioTurnover

16.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$377,877,048
Number of Portfolio Holdings73
Portfolio Turnover Rate16%
Advisory Fees Paid$1,081,327

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(2.0)%
Other Investments		0.8%
Consumer Staples		1.0%
Energy		4.1%
Health Care		4.9%
Communication Services		5.5%
Real Estate		7.6%
Industrials		11.1%
Information Technology		17.7%
Consumer Discretionary		22.6%
Financials		26.7%

Updated Prospectus Web Address

C000024996

Shareholder Report [Line Items]

Fund Name

Global Resources Fund

Class Name

Class A

Trading Symbol

GHAAX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Global Resources Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class A	$73	1.38%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 73

Expense Ratio, Percent

1.38%

^[11]

AssetsNet

$ 492,198,652

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,955,912

InvestmentCompanyPortfolioTurnover

19.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$492,198,652
Number of Portfolio Holdings69
Portfolio Turnover Rate19%
Advisory Fees Paid$1,955,912

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(1.2)%
Money Market Fund		2.2%
Industrials & Utilities		1.1%
Materials		1.6%
Renewables & Alternatives		4.2%
Paper & Forest		4.6%
Gold & Precious Metals		16.3%
Agriculture		18.8%
Base & Industrial Metals		20.7%
Oil & Gas		31.7%

Updated Prospectus Web Address

C000033047

Shareholder Report [Line Items]

Fund Name

Global Resources Fund

Class Name

Class I

Trading Symbol

GHAIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Global Resources Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class I	$50	0.95%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 50

Expense Ratio, Percent

0.95%

^[12]

AssetsNet

$ 492,198,652

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,955,912

InvestmentCompanyPortfolioTurnover

19.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$492,198,652
Number of Portfolio Holdings69
Portfolio Turnover Rate19%
Advisory Fees Paid$1,955,912

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(1.2)%
Money Market Fund		2.2%
Industrials & Utilities		1.1%
Materials		1.6%
Renewables & Alternatives		4.2%
Paper & Forest		4.6%
Gold & Precious Metals		16.3%
Agriculture		18.8%
Base & Industrial Metals		20.7%
Oil & Gas		31.7%

Updated Prospectus Web Address

C000088112

Shareholder Report [Line Items]

Fund Name

Global Resources Fund

Class Name

Class Y

Trading Symbol

GHAYX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the Global Resources Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Y	$60	1.13%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 60

Expense Ratio, Percent

1.13%

^[13]

AssetsNet

$ 492,198,652

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 1,955,912

InvestmentCompanyPortfolioTurnover

19.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$492,198,652
Number of Portfolio Holdings69
Portfolio Turnover Rate19%
Advisory Fees Paid$1,955,912

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(1.2)%
Money Market Fund		2.2%
Industrials & Utilities		1.1%
Materials		1.6%
Renewables & Alternatives		4.2%
Paper & Forest		4.6%
Gold & Precious Metals		16.3%
Agriculture		18.8%
Base & Industrial Metals		20.7%
Oil & Gas		31.7%

Updated Prospectus Web Address

C000024994

Shareholder Report [Line Items]

Fund Name

International Investors Gold Fund

Class Name

Class A

Trading Symbol

INIVX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the International Investors Gold Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class A	$87	1.36%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 87

Expense Ratio, Percent

1.36%

^[14]

AssetsNet

$ 963,298,792

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 2,827,312

InvestmentCompanyPortfolioTurnover

14.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$963,298,792
Number of Portfolio Holdings41
Portfolio Turnover Rate14%
Advisory Fees Paid$2,827,312

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities		0.1%
Other Investments		0.8%
Silver		2.3%
Gold		96.8%

Updated Prospectus Web Address

C000024995

Shareholder Report [Line Items]

Fund Name

International Investors Gold Fund

Class Name

Class C

Trading Symbol

IIGCX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the International Investors Gold Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class C	$139	2.19%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 139

Expense Ratio, Percent

2.19%

^[15]

AssetsNet

$ 963,298,792

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 2,827,312

InvestmentCompanyPortfolioTurnover

14.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$963,298,792
Number of Portfolio Holdings41
Portfolio Turnover Rate14%
Advisory Fees Paid$2,827,312

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities		0.1%
Other Investments		0.8%
Silver		2.3%
Gold		96.8%

Updated Prospectus Web Address

C000033046

Shareholder Report [Line Items]

Fund Name

International Investors Gold Fund

Class Name

Class I

Trading Symbol

INIIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the International Investors Gold Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class I	$64	1.00%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 64

Expense Ratio, Percent

1.00%

^[16]

AssetsNet

$ 963,298,792

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 2,827,312

InvestmentCompanyPortfolioTurnover

14.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$963,298,792
Number of Portfolio Holdings41
Portfolio Turnover Rate14%
Advisory Fees Paid$2,827,312

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities		0.1%
Other Investments		0.8%
Silver		2.3%
Gold		96.8%

Updated Prospectus Web Address

C000088111

Shareholder Report [Line Items]

Fund Name

International Investors Gold Fund

Class Name

Class Y

Trading Symbol

INIYX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the International Investors Gold Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Y	$70	1.09%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 70

Expense Ratio, Percent

1.09%

^[17]

AssetsNet

$ 963,298,792

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 2,827,312

InvestmentCompanyPortfolioTurnover

14.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$963,298,792
Number of Portfolio Holdings41
Portfolio Turnover Rate14%
Advisory Fees Paid$2,827,312

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities		0.1%
Other Investments		0.8%
Silver		2.3%
Gold		96.8%

Updated Prospectus Web Address

C000195045

Shareholder Report [Line Items]

Fund Name

VanEck Morningstar Wide Moat Fund

Class Name

Class I

Trading Symbol

MWMIX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the VanEck Morningstar Wide Moat Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class I	$30	0.59%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 30

Expense Ratio, Percent

0.59%

^[18]

AssetsNet

$ 31,563,109

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 0

InvestmentCompanyPortfolioTurnover

32.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$31,563,109
Number of Portfolio Holdings55
Portfolio Turnover Rate32%
Advisory Fees Paid$-

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(0.1)%
Other Investments		0.3%
Materials		3.7%
Consumer Discretionary		3.8%
Communication Services		5.2%
Financials		6.4%
Consumer Staples		13.0%
Industrials		20.0%
Health Care		20.0%
Information Technology		27.7%

Updated Prospectus Web Address

C000195046

Shareholder Report [Line Items]

Fund Name

VanEck Morningstar Wide Moat Fund

Class Name

Class Z

Trading Symbol

MWMZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the VanEck Morningstar Wide Moat Fund (the "Fund") for the period January 1, 2025 to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Class Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
Class Z	$25	0.49%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized

Expenses Paid, Amount

$ 25

Expense Ratio, Percent

0.49%

^[19]

AssetsNet

$ 31,563,109

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 0

InvestmentCompanyPortfolioTurnover

32.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$31,563,109
Number of Portfolio Holdings55
Portfolio Turnover Rate32%
Advisory Fees Paid$-

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Liabilities in excess of other assets		(0.1)%
Other Investments		0.3%
Materials		3.7%
Consumer Discretionary		3.8%
Communication Services		5.2%
Financials		6.4%
Consumer Staples		13.0%
Industrials		20.0%
Health Care		20.0%
Information Technology		27.7%

Updated Prospectus Web Address

C000259178

Shareholder Report [Line Items]

Fund Name

VanEck Onchain Economy ETF

Class Name

VanEck Onchain Economy ETF

Trading Symbol

NODE

Security Exchange Name

CboeBZX

Annual or Semi-Annual Statement [Text Block]

This semi-annual shareholder report contains important information about the VanEck Onchain Economy ETF (the "Fund") for the period May 13, 2025 (inception of Fund) to June 30, 2025.

Shareholder Report Annual or Semi-Annual

Semi-Annual Shareholder Report

Additional Information [Text Block]

You can find additional information about the Fund at https://www.vaneck.com/us/en/etf-mutual-fund-finder/etfs/documents/. You can also request this information by contacting us at 800.826.2333 or info@vaneck.com.

Additional Information Phone Number

800.826.2333

Additional Information Email

Additional Information Website

Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment)

Fund Name	Costs of a $10,000 investment	Costs paid as a % of a $10,000 investment
VanEck Onchain Economy ETF	$9^{Footnote Reference(a)}	0.67%^{Footnote Reference(b)}

Footnote	Description
Footnote^(a)	Expenses for a full period would be higher than the amount shown.
Footnote^(b)	Annualized

Expenses Paid, Amount

$ 9

^[20]

Expense Ratio, Percent

0.67%

^[21]

AssetsNet

$ 9,066,854

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 6,307

InvestmentCompanyPortfolioTurnover

12.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Total Net Assets$9,066,854
Number of Portfolio Holdings63
Portfolio Turnover Rate12%
Advisory Fees Paid$6,307

Additional Fund Statistics Significance or Limits [Text Block]

Holdings [Text Block]

Portfolio Composition (% of Total Net Assets)

Value	Value	Value
Other assets less liabilities		0.8%
Other Investments		0.9%
Health Care		1.1%
Industrials		1.7%
Real Estate		1.7%
Communication Services		4.1%
Consumer Discretionary		6.0%
Energy		9.0%
Utilities		12.8%
Crypto Exchange Traded Products		13.1%
Financials		21.2%
Information Technology		27.6%

Updated Prospectus Web Address

[1]	Annualized
[2]	Annualized
[3]	Annualized
[4]	Annualized
[5]	Annualized
[6]	Annualized
[7]	Annualized
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[15]	Annualized
[16]	Annualized
[17]	Annualized
[18]	Annualized
[19]	Annualized
[20]	Expenses for a full period would be higher than the amount shown.
[21]	Annualized