| Form N-CSR Cover | 6 Months Ended |
| May 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | DELAWARE GROUP GLOBAL & INTERNATIONAL FUNDS |
| Entity Central Index Key | 0000875610 |
| Document Period End Date | May 31, 2024 |
| Shareholder Report | 6 Months Ended |
| May 31, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | DELAWARE GROUP GLOBAL & INTERNATIONAL FUNDS |
| Entity Central Index Key | 0000875610 |
| Document Period End Date | May 31, 2024 |
| C000010979 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Delaware Emerging Markets Fund |
| Class Name | Class A |
| Trading Symbol | DEMAX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Delaware Emerging Markets Fund (Fund) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at delawarefunds.com/literature. 800 523‑1918 |
| Additional Information Phone Number | 800 523‑1918 |
| Additional Information Website | delawarefunds.com/literature |
| Expenses [Text Block] | Fund expenses What were the Fund's costs for the last six months? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 1.44 % |
| Expenses Paid, Amount | $ 77 |
| Expense Ratio, Percent | 1.44% |
| Net Assets | $ 5,337,457,639 |
| Holdings Count | Holding | 132 |
| Advisory Fees Paid, Amount | $ 25,321,371 |
| Investment Company Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Fund statistics The following table outlines Fund statistics that you should pay attention to: Fund net assets $ % Total number of portfolio holdings $ % Total advisory fees paid $ % Portfolio turnover rate $ % |
| Holdings [Text Block] | Fund holdings The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund. Country allocation Republic of Korea 27.75 % Taiwan 21.14 % China 15.90 % India 15.12 % Brazil 6.33 % Mexico 4.86 % United States 1.87 % Turkey 1.78 % Peru 1.23 % Indonesia 0.89 % Sector allocation Information Technology 39.96 % Energy 12.69 % Industrials 10.93 % Communication Services 9.43 % Consumer Staples 8.46 % Consumer Discretionary 6.14 % Financials 5.17 % Materials 4.15 % Healthcare 2.10 % Utilities 0.62 % Real Estate 0.42 % Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| Largest Holdings [Text Block] | Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| C000010981 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Delaware Emerging Markets Fund |
| Class Name | Class C |
| Trading Symbol | DEMCX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Delaware Emerging Markets Fund (Fund) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at delawarefunds.com/literature. 800 523‑1918 |
| Additional Information Phone Number | 800 523‑1918 |
| Additional Information Website | delawarefunds.com/literature |
| Expenses [Text Block] | Fund expenses What were the Fund's costs for the last six months? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 2.19 % |
| Expenses Paid, Amount | $ 118 |
| Expense Ratio, Percent | 2.19% |
| Net Assets | $ 5,337,457,639 |
| Holdings Count | Holding | 132 |
| Advisory Fees Paid, Amount | $ 25,321,371 |
| Investment Company Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Fund statistics The following table outlines Fund statistics that you should pay attention to: Fund net assets $ % Total number of portfolio holdings $ % Total advisory fees paid $ % Portfolio turnover rate $ % |
| Holdings [Text Block] | Fund holdings The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund. Country allocation Republic of Korea 27.75 % Taiwan 21.14 % China 15.90 % India 15.12 % Brazil 6.33 % Mexico 4.86 % United States 1.87 % Turkey 1.78 % Peru 1.23 % Indonesia 0.89 % Sector allocation Information Technology 39.96 % Energy 12.69 % Industrials 10.93 % Communication Services 9.43 % Consumer Staples 8.46 % Consumer Discretionary 6.14 % Financials 5.17 % Materials 4.15 % Healthcare 2.10 % Utilities 0.62 % Real Estate 0.42 % Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| Largest Holdings [Text Block] | Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| C000031063 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Delaware Emerging Markets Fund |
| Class Name | Class R |
| Trading Symbol | DEMRX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Delaware Emerging Markets Fund (Fund) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at delawarefunds.com/literature. 800 523‑1918 |
| Additional Information Phone Number | 800 523‑1918 |
| Additional Information Website | delawarefunds.com/literature |
| Expenses [Text Block] | Fund expenses What were the Fund's costs for the last six months? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class R $ 1.69 % |
| Expenses Paid, Amount | $ 91 |
| Expense Ratio, Percent | 1.69% |
| Net Assets | $ 5,337,457,639 |
| Holdings Count | Holding | 132 |
| Advisory Fees Paid, Amount | $ 25,321,371 |
| Investment Company Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Fund statistics The following table outlines Fund statistics that you should pay attention to: Fund net assets $ % Total number of portfolio holdings $ % Total advisory fees paid $ % Portfolio turnover rate $ % |
| Holdings [Text Block] | Fund holdings The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund. Country allocation Republic of Korea 27.75 % Taiwan 21.14 % China 15.90 % India 15.12 % Brazil 6.33 % Mexico 4.86 % United States 1.87 % Turkey 1.78 % Peru 1.23 % Indonesia 0.89 % Sector allocation Information Technology 39.96 % Energy 12.69 % Industrials 10.93 % Communication Services 9.43 % Consumer Staples 8.46 % Consumer Discretionary 6.14 % Financials 5.17 % Materials 4.15 % Healthcare 2.10 % Utilities 0.62 % Real Estate 0.42 % Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| Largest Holdings [Text Block] | Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| C000010982 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Delaware Emerging Markets Fund |
| Class Name | Institutional Class |
| Trading Symbol | DEMIX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Delaware Emerging Markets Fund (Fund) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at delawarefunds.com/literature. 800 523‑1918 |
| Additional Information Phone Number | 800 523‑1918 |
| Additional Information Website | delawarefunds.com/literature |
| Expenses [Text Block] | Fund expenses What were the Fund's costs for the last six months? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Institutional Class $ 1.19 % |
| Expenses Paid, Amount | $ 64 |
| Expense Ratio, Percent | 1.19% |
| Net Assets | $ 5,337,457,639 |
| Holdings Count | Holding | 132 |
| Advisory Fees Paid, Amount | $ 25,321,371 |
| Investment Company Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Fund statistics The following table outlines Fund statistics that you should pay attention to: Fund net assets $ % Total number of portfolio holdings $ % Total advisory fees paid $ % Portfolio turnover rate $ % |
| Holdings [Text Block] | Fund holdings The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund. Country allocation Republic of Korea 27.75 % Taiwan 21.14 % China 15.90 % India 15.12 % Brazil 6.33 % Mexico 4.86 % United States 1.87 % Turkey 1.78 % Peru 1.23 % Indonesia 0.89 % Sector allocation Information Technology 39.96 % Energy 12.69 % Industrials 10.93 % Communication Services 9.43 % Consumer Staples 8.46 % Consumer Discretionary 6.14 % Financials 5.17 % Materials 4.15 % Healthcare 2.10 % Utilities 0.62 % Real Estate 0.42 % Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| Largest Holdings [Text Block] | Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| C000171463 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Delaware Emerging Markets Fund |
| Class Name | Class R6 |
| Trading Symbol | DEMZX |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Delaware Emerging Markets Fund (Fund) for the period of December 1, 2023 to May 31, 2024. |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at delawarefunds.com/literature. 800 523‑1918 |
| Additional Information Phone Number | 800 523‑1918 |
| Additional Information Website | delawarefunds.com/literature |
| Expenses [Text Block] | Fund expenses What were the Fund's costs for the last six months? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class R6 $ 1.10 % |
| Expenses Paid, Amount | $ 59 |
| Expense Ratio, Percent | 1.10% |
| Net Assets | $ 5,337,457,639 |
| Holdings Count | Holding | 132 |
| Advisory Fees Paid, Amount | $ 25,321,371 |
| Investment Company Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Fund statistics The following table outlines Fund statistics that you should pay attention to: Fund net assets $ % Total number of portfolio holdings $ % Total advisory fees paid $ % Portfolio turnover rate $ % |
| Holdings [Text Block] | Fund holdings The tables below show the investment makeup of the Fund, with each category representing a percentage of the total net assets of the Fund. Country allocation Republic of Korea 27.75 % Taiwan 21.14 % China 15.90 % India 15.12 % Brazil 6.33 % Mexico 4.86 % United States 1.87 % Turkey 1.78 % Peru 1.23 % Indonesia 0.89 % Sector allocation Information Technology 39.96 % Energy 12.69 % Industrials 10.93 % Communication Services 9.43 % Consumer Staples 8.46 % Consumer Discretionary 6.14 % Financials 5.17 % Materials 4.15 % Healthcare 2.10 % Utilities 0.62 % Real Estate 0.42 % Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| Largest Holdings [Text Block] | Top 10 equity holdings Taiwan Semiconductor Manufacturing 14.87 % SK Hynix 9.01 % SK Square 7.39 % Reliance Industries 6.75 % MediaTek 5.24 % Samsung Electronics 5.16 % Reliance Industries GDR 3.05 % Alibaba Group Holding ADR 2.85 % Tencent Holdings 2.33 % Micron Technology 1.64 % |
| Shareholder Report, Holdings (Details) | May 31, 2024 |
| C000010979 [Member] | Taiwan Semiconductor Manufacturing [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.87% |
| C000010979 [Member] | SK Square [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.39% |
| C000010979 [Member] | Reliance Industries [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.75% |
| C000010979 [Member] | MediaTek [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.24% |
| C000010979 [Member] | Samsung Electronics [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.16% |
| C000010979 [Member] | Reliance Industries GDR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.05% |
| C000010979 [Member] | Alibaba Group Holding ADR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.85% |
| C000010979 [Member] | Tencent Holdings [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.33% |
| C000010979 [Member] | Micron Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000010979 [Member] | SK Hynix [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.01% |
| C000010979 [Member] | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.69% |
| C000010979 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| C000010979 [Member] | Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.42% |
| C000010979 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.43% |
| C000010979 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.14% |
| C000010979 [Member] | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000010979 [Member] | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000010979 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.96% |
| C000010979 [Member] | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000010979 [Member] | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000010979 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.17% |
| C000010979 [Member] | BRAZIL | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.33% |
| C000010979 [Member] | CHINA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| C000010979 [Member] | INDONESIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.89% |
| C000010979 [Member] | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.12% |
| C000010979 [Member] | KOREA, REPUBLIC OF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000010979 [Member] | MEXICO | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.86% |
| C000010979 [Member] | PERU | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.23% |
| C000010979 [Member] | TURKIYE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.78% |
| C000010979 [Member] | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.14% |
| C000010979 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.87% |
| C000010981 [Member] | Taiwan Semiconductor Manufacturing [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.87% |
| C000010981 [Member] | SK Square [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.39% |
| C000010981 [Member] | Reliance Industries [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.75% |
| C000010981 [Member] | MediaTek [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.24% |
| C000010981 [Member] | Samsung Electronics [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.16% |
| C000010981 [Member] | Reliance Industries GDR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.05% |
| C000010981 [Member] | Alibaba Group Holding ADR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.85% |
| C000010981 [Member] | Tencent Holdings [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.33% |
| C000010981 [Member] | Micron Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000010981 [Member] | SK Hynix [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.01% |
| C000010981 [Member] | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.69% |
| C000010981 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| C000010981 [Member] | Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.42% |
| C000010981 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.43% |
| C000010981 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.14% |
| C000010981 [Member] | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000010981 [Member] | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000010981 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.96% |
| C000010981 [Member] | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000010981 [Member] | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000010981 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.17% |
| C000010981 [Member] | BRAZIL | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.33% |
| C000010981 [Member] | CHINA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| C000010981 [Member] | INDONESIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.89% |
| C000010981 [Member] | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.12% |
| C000010981 [Member] | KOREA, REPUBLIC OF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000010981 [Member] | MEXICO | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.86% |
| C000010981 [Member] | PERU | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.23% |
| C000010981 [Member] | TURKIYE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.78% |
| C000010981 [Member] | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.14% |
| C000010981 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.87% |
| C000031063 [Member] | Taiwan Semiconductor Manufacturing [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.87% |
| C000031063 [Member] | SK Square [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.39% |
| C000031063 [Member] | Reliance Industries [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.75% |
| C000031063 [Member] | MediaTek [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.24% |
| C000031063 [Member] | Samsung Electronics [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.16% |
| C000031063 [Member] | Reliance Industries GDR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.05% |
| C000031063 [Member] | Alibaba Group Holding ADR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.85% |
| C000031063 [Member] | Tencent Holdings [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.33% |
| C000031063 [Member] | Micron Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000031063 [Member] | SK Hynix [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.01% |
| C000031063 [Member] | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.69% |
| C000031063 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| C000031063 [Member] | Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.42% |
| C000031063 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.43% |
| C000031063 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.14% |
| C000031063 [Member] | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000031063 [Member] | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000031063 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.96% |
| C000031063 [Member] | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000031063 [Member] | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000031063 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.17% |
| C000031063 [Member] | BRAZIL | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.33% |
| C000031063 [Member] | CHINA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| C000031063 [Member] | INDONESIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.89% |
| C000031063 [Member] | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.12% |
| C000031063 [Member] | KOREA, REPUBLIC OF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000031063 [Member] | MEXICO | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.86% |
| C000031063 [Member] | PERU | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.23% |
| C000031063 [Member] | TURKIYE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.78% |
| C000031063 [Member] | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.14% |
| C000031063 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.87% |
| C000010982 [Member] | Taiwan Semiconductor Manufacturing [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.87% |
| C000010982 [Member] | SK Square [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.39% |
| C000010982 [Member] | Reliance Industries [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.75% |
| C000010982 [Member] | MediaTek [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.24% |
| C000010982 [Member] | Samsung Electronics [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.16% |
| C000010982 [Member] | Reliance Industries GDR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.05% |
| C000010982 [Member] | Alibaba Group Holding ADR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.85% |
| C000010982 [Member] | Tencent Holdings [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.33% |
| C000010982 [Member] | Micron Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000010982 [Member] | SK Hynix [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.01% |
| C000010982 [Member] | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.69% |
| C000010982 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| C000010982 [Member] | Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.42% |
| C000010982 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.43% |
| C000010982 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.14% |
| C000010982 [Member] | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000010982 [Member] | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000010982 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.96% |
| C000010982 [Member] | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000010982 [Member] | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000010982 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.17% |
| C000010982 [Member] | BRAZIL | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.33% |
| C000010982 [Member] | CHINA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| C000010982 [Member] | INDONESIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.89% |
| C000010982 [Member] | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.12% |
| C000010982 [Member] | KOREA, REPUBLIC OF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000010982 [Member] | MEXICO | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.86% |
| C000010982 [Member] | PERU | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.23% |
| C000010982 [Member] | TURKIYE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.78% |
| C000010982 [Member] | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.14% |
| C000010982 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.87% |
| C000171463 [Member] | Taiwan Semiconductor Manufacturing [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.87% |
| C000171463 [Member] | SK Square [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.39% |
| C000171463 [Member] | Reliance Industries [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.75% |
| C000171463 [Member] | MediaTek [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.24% |
| C000171463 [Member] | Samsung Electronics [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.16% |
| C000171463 [Member] | Reliance Industries GDR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.05% |
| C000171463 [Member] | Alibaba Group Holding ADR [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.85% |
| C000171463 [Member] | Tencent Holdings [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.33% |
| C000171463 [Member] | Micron Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.64% |
| C000171463 [Member] | SK Hynix [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.01% |
| C000171463 [Member] | Energy Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.69% |
| C000171463 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| C000171463 [Member] | Real Estate Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.42% |
| C000171463 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.43% |
| C000171463 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.14% |
| C000171463 [Member] | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.46% |
| C000171463 [Member] | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.93% |
| C000171463 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 39.96% |
| C000171463 [Member] | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.15% |
| C000171463 [Member] | Utilities Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.62% |
| C000171463 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.17% |
| C000171463 [Member] | BRAZIL | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.33% |
| C000171463 [Member] | CHINA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.90% |
| C000171463 [Member] | INDONESIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.89% |
| C000171463 [Member] | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.12% |
| C000171463 [Member] | KOREA, REPUBLIC OF | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 27.75% |
| C000171463 [Member] | MEXICO | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.86% |
| C000171463 [Member] | PERU | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.23% |
| C000171463 [Member] | TURKIYE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.78% |
| C000171463 [Member] | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 21.14% |
| C000171463 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.87% |
