v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
C000093221 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.30%
C000093221 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000093221 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000093221 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000093221 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000093221 [Member] | KB Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093221 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093221 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000093221 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000093221 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093221 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093221 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.80%
C000093221 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.10%
C000093221 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000093221 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000093221 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000093221 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000093221 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000093221 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093221 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093221 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000093221 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000093221 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
C000093221 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000093221 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000093221 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000093221 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000093221 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093221 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093221 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000093221 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000002785 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.30%
C000002785 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000002785 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002785 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000002785 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002785 [Member] | KB Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000002785 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002785 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000002785 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002785 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002785 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002785 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.80%
C000002785 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.10%
C000002785 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000002785 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000002785 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000002785 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000002785 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000002785 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000002785 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000002785 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000002785 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000002785 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
C000002785 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000002785 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000002785 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000002785 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000002785 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002785 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002785 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000002785 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000093224 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.90%
C000093224 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000093224 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000093224 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093224 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000093224 [Member] | PDD Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000093224 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000093224 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000093224 [Member] | New China Life Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093224 [Member] | DiDi Global Inc ADR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000093224 [Member] | JDcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093224 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
C000093224 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000093224 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000093224 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.30%
C000093224 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000093224 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000093224 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093224 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000093224 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000093224 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000093224 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093224 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093224 [Member] | MACAO  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000093224 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000002790 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.90%
C000002790 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000002790 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000002790 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002790 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000002790 [Member] | PDD Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002790 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002790 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000002790 [Member] | New China Life Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000002790 [Member] | DiDi Global Inc ADR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002790 [Member] | JDcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002790 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
C000002790 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000002790 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000002790 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.30%
C000002790 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000002790 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000002790 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002790 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000002790 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000002790 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000002790 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000002790 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002790 [Member] | MACAO  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000002790 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000093225 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.70%
C000093225 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000093225 [Member] | Tokio Marine Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000093225 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000093225 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000093225 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000093225 [Member] | NEC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000093225 [Member] | Ajinomoto Co Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093225 [Member] | Shin Etsu Chemical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093225 [Member] | Mitsui Fudosan Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093225 [Member] | ITOCHU Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093225 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
C000093225 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000093225 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000093225 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093225 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.10%
C000093225 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000093225 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093225 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000093225 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093225 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000093225 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000093225 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000002791 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.70%
C000002791 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000002791 [Member] | Tokio Marine Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000002791 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000002791 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000002791 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000002791 [Member] | NEC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000002791 [Member] | Ajinomoto Co Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000002791 [Member] | Shin Etsu Chemical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000002791 [Member] | Mitsui Fudosan Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002791 [Member] | ITOCHU Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002791 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
C000002791 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000002791 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000002791 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002791 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.10%
C000002791 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000002791 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002791 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000002791 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000002791 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000002791 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000002791 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093226 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.00%
C000093226 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000093226 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000093226 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000093226 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000093226 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093226 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000093226 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000093226 [Member] | PDD Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093226 [Member] | MakeMyTrip Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000093226 [Member] | Xiaomi Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093226 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.70%
C000093226 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.80%
C000093226 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000093226 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.30%
C000093226 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000093226 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000093226 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000093226 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000093226 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093226 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093226 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000093226 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000093226 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000093226 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000093226 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000093226 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000002792 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.00%
C000002792 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000002792 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002792 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000002792 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000002792 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002792 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000002792 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000002792 [Member] | PDD Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002792 [Member] | MakeMyTrip Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000002792 [Member] | Xiaomi Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000002792 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.70%
C000002792 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.80%
C000002792 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000002792 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.30%
C000002792 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000002792 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000002792 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002792 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000002792 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000002792 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000002792 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000002792 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000002792 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000002792 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000002792 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000002792 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000093227 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.90%
C000093227 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000093227 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093227 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093227 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093227 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000093227 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093227 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093227 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000093227 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093227 [Member] | MakeMyTrip Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093227 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
C000093227 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093227 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
C000093227 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
C000093227 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
C000093227 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
C000093227 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000093227 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000093227 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000093227 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000093227 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000093227 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000093227 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093227 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000093227 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
C000093227 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000093227 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000093227 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 29.30%
C000093227 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000093227 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000002793 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.90%
C000002793 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000002793 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002793 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000002793 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002793 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002793 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002793 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000002793 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002793 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000002793 [Member] | MakeMyTrip Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000002793 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
C000002793 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000002793 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
C000002793 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
C000002793 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.30%
C000002793 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
C000002793 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000002793 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000002793 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000002793 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000002793 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000002793 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000002793 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002793 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000002793 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
C000002793 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000002793 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000002793 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 29.30%
C000002793 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000002793 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000093228 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.90%
C000093228 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093228 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000093228 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000093228 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000093228 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000093228 [Member] | Reliance Industries Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093228 [Member] | Swiggy Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093228 [Member] | Bajaj Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000093228 [Member] | Infosys Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000093228 [Member] | Mahindra And Mahindra Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093228 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000093228 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 37.80%
C000093228 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
C000093228 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093228 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000093228 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000093228 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000093228 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000093228 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000093228 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093228 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000093228 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 102.00%
C000093228 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000002794 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.90%
C000002794 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002794 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000002794 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000002794 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002794 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000002794 [Member] | Reliance Industries Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002794 [Member] | Swiggy Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002794 [Member] | Bajaj Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000002794 [Member] | Infosys Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002794 [Member] | Mahindra And Mahindra Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002794 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000002794 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 37.80%
C000002794 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
C000002794 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002794 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000002794 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002794 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000002794 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002794 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000002794 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002794 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000002794 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 102.00%
C000002794 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000093229 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000093229 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000093229 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000093229 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093229 [Member] | NEC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093229 [Member] | ITOCHU Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093229 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093229 [Member] | AIA Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093229 [Member] | Commonwealth Bank of Australia [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093229 [Member] | Hikari Tsushin Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093229 [Member] | Telstra Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093229 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
C000093229 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000093229 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.90%
C000093229 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000093229 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000093229 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000093229 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000093229 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000093229 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000093229 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093229 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000093229 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093229 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000093229 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000093229 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000093229 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000093229 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093229 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093229 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000093229 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000093229 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000093229 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000038018 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000038018 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000038018 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000038018 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000038018 [Member] | NEC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000038018 [Member] | ITOCHU Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000038018 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000038018 [Member] | AIA Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000038018 [Member] | Commonwealth Bank of Australia [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000038018 [Member] | Hikari Tsushin Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000038018 [Member] | Telstra Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000038018 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
C000038018 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000038018 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.90%
C000038018 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000038018 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000038018 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000038018 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000038018 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000038018 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000038018 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000038018 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000038018 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000038018 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000038018 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000038018 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000038018 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000038018 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000038018 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000038018 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000038018 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000038018 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000038018 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093230 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.70%
C000093230 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000093230 [Member] | Hugel Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000093230 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000093230 [Member] | YDUQS Participacoes SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000093230 [Member] | We Buy Cars Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093230 [Member] | Grupo SBF SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093230 [Member] | Cartrade Tech Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093230 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093230 [Member] | Radico Khaitan Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093230 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093230 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000093230 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.70%
C000093230 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000093230 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.40%
C000093230 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000093230 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000093230 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000093230 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000093230 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000093230 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000093230 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000093230 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.90%)
C000093230 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000093230 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 26.00%
C000093230 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000093230 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093230 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000093230 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000093230 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000093230 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000093230 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093230 [Member] | GEORGIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000093230 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.90%)
C000068052 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.70%
C000068052 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000068052 [Member] | Hugel Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000068052 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000068052 [Member] | YDUQS Participacoes SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000068052 [Member] | We Buy Cars Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000068052 [Member] | Grupo SBF SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000068052 [Member] | Cartrade Tech Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000068052 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000068052 [Member] | Radico Khaitan Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000068052 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000068052 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000068052 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.70%
C000068052 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000068052 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.40%
C000068052 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000068052 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000068052 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000068052 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000068052 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000068052 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000068052 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000068052 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.90%)
C000068052 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000068052 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 26.00%
C000068052 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000068052 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000068052 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000068052 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000068052 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000068052 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000068052 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000068052 [Member] | GEORGIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000068052 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.90%)
C000093231 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.80%
C000093231 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000093231 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000093231 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000093231 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093231 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000093231 [Member] | Anhui Expressway Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000093231 [Member] | China Suntien Green Energy Corp Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093231 [Member] | Industrial And Commercial Bank of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093231 [Member] | China Everbright Environment Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093231 [Member] | PetroChina Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000093231 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 91.70%
C000093231 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000093231 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000093231 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000093231 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000093231 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000093231 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000093231 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093231 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000093231 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000093231 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093231 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000093231 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093231 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093231 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000081250 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 48.80%
C000081250 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000081250 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000081250 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000081250 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000081250 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000081250 [Member] | Anhui Expressway Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000081250 [Member] | China Suntien Green Energy Corp Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000081250 [Member] | Industrial And Commercial Bank of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000081250 [Member] | China Everbright Environment Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000081250 [Member] | PetroChina Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000081250 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 91.70%
C000081250 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000081250 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000081250 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000081250 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000081250 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000081250 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000081250 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000081250 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000081250 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000081250 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000081250 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000081250 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000081250 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000081250 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000195803 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.50%
C000195803 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000195803 [Member] | NetEase Cloud Music Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000195803 [Member] | Hongfa Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000195803 [Member] | Atour Lifestyle Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000195803 [Member] | DPC Dash Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000195803 [Member] | ACM Research Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000195803 [Member] | Yantai Jereh Oilfield Services Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000195803 [Member] | Tongcheng Travel Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000195803 [Member] | Zhejiang Shuanghuan Driveline Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000195803 [Member] | Kanzhun Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000195803 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 88.20%
C000195803 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000195803 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.70%
C000195803 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000195803 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.70%
C000195803 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000195803 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000195803 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000195803 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000195803 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000195803 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000195803 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000195803 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000195803 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000195803 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000101279 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.50%
C000101279 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000101279 [Member] | NetEase Cloud Music Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000101279 [Member] | Hongfa Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000101279 [Member] | Atour Lifestyle Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000101279 [Member] | DPC Dash Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000101279 [Member] | ACM Research Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000101279 [Member] | Yantai Jereh Oilfield Services Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000101279 [Member] | Tongcheng Travel Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000101279 [Member] | Zhejiang Shuanghuan Driveline Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000101279 [Member] | Kanzhun Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000101279 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 88.20%
C000101279 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000101279 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.70%
C000101279 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000101279 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.70%
C000101279 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000101279 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000101279 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000101279 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000101279 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000101279 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000101279 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000101279 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000101279 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000101279 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000154926 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000154926 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000154926 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000154926 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000154926 [Member] | Swiggy Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000154926 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000154926 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000154926 [Member] | YDUQS Participacoes SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000154926 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000154926 [Member] | JD Health International Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000154926 [Member] | Indus Towers Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000154926 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000154926 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
C000154926 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.90%
C000154926 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
C000154926 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000154926 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
C000154926 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000154926 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000154926 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000154926 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
C000154926 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000154926 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000154926 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000154926 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000154926 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 30.30%
C000154926 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000154926 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000154926 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000154926 [Member] | ROMANIA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000154926 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000154926 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000154926 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
C000154925 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000154925 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000154925 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000154925 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000154925 [Member] | Swiggy Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000154925 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000154925 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000154925 [Member] | YDUQS Participacoes SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000154925 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000154925 [Member] | JD Health International Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000154925 [Member] | Indus Towers Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000154925 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000154925 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
C000154925 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.90%
C000154925 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
C000154925 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000154925 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
C000154925 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000154925 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000154925 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000154925 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
C000154925 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000154925 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000154925 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000154925 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000154925 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 30.30%
C000154925 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000154925 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000154925 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000154925 [Member] | ROMANIA  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000154925 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000154925 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000154925 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
C000219130 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.30%
C000219130 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000219130 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000219130 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219130 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000219130 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219130 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219130 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219130 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000219130 [Member] | NetEase Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219130 [Member] | Itau Unibanco Holding SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219130 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219130 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000219130 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.90%
C000219130 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000219130 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000219130 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219130 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219130 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000219130 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000219130 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219130 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000219130 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000219130 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000219130 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000219130 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000219130 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000219130 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 29.60%
C000219130 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000219130 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219130 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219130 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000219130 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000219129 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.30%
C000219129 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000219129 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000219129 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219129 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000219129 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219129 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219129 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219129 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000219129 [Member] | NetEase Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219129 [Member] | Itau Unibanco Holding SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219129 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219129 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000219129 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000219129 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.90%
C000219129 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000219129 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000219129 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219129 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219129 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000219129 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000219129 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219129 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000219129 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000219129 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000219129 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000219129 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000219129 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 29.60%
C000219129 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000219129 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219129 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219129 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000219129 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000236790 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.40% [1]
C000236790 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.20% [1]
C000236790 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50% [1]
C000236790 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [1]
C000236790 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [1]
C000236790 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [1]
C000236790 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [1]
C000236790 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [1]
C000236790 [Member] | NetEase Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [1]
C000236790 [Member] | Itau Unibanco Holding SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [1]
C000236790 [Member] | JDcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [1]
C000236790 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000236790 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000236790 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.80%
C000236790 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000236790 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000236790 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000236790 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000236790 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000236790 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000236790 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000236790 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000236790 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000236790 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000236790 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 20.00%
C000236790 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000236790 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000236790 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000236790 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 28.40%
C000236790 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000236790 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000236790 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000236790 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000236791 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 43.90% [2]
C000236791 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70% [2]
C000236791 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00% [2]
C000236791 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [2]
C000236791 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50% [2]
C000236791 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [2]
C000236791 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60% [2]
C000236791 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60% [2]
C000236791 [Member] | PDD Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [2]
C000236791 [Member] | MakeMyTrip Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [2]
C000236791 [Member] | Xiaomi Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [2]
C000236791 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.80%
C000236791 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.80%
C000236791 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000236791 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000236791 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000236791 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000236791 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000236791 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000236791 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000236791 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000236791 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000236791 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 19.80%
C000236791 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000236791 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000236791 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000236791 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000236792 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 45.60% [3]
C000236792 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40% [3]
C000236792 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00% [3]
C000236792 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [3]
C000236792 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60% [3]
C000236792 [Member] | PDD Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50% [3]
C000236792 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [3]
C000236792 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [3]
C000236792 [Member] | New China Life Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80% [3]
C000236792 [Member] | DiDi Global Inc ADR [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [3]
C000236792 [Member] | JDcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [3]
C000236792 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 95.70%
C000236792 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000236792 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000236792 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.50%
C000236792 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000236792 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000236792 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000236792 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000236792 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000236792 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000236792 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000236792 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000236792 [Member] | MACAO  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000236792 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000240350 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.80% [4]
C000240350 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.70% [4]
C000240350 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00% [4]
C000240350 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [4]
C000240350 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [4]
C000240350 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [4]
C000240350 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [4]
C000240350 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [4]
C000240350 [Member] | PT Indosat Tbk [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [4]
C000240350 [Member] | NAVER Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [4]
C000240350 [Member] | Grab Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [4]
C000240350 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
C000240350 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000240350 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
C000240350 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000240350 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000240350 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000240350 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000240350 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000240350 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000240350 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000240350 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000240350 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000240350 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000240350 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000240350 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
C000240350 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000240350 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000240350 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000240350 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000240350 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000240350 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000240350 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000240350 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000241856 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 50.40% [5]
C000241856 [Member] | KB Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [5]
C000241856 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80% [5]
C000241856 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70% [5]
C000241856 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40% [5]
C000241856 [Member] | NAVER Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [5]
C000241856 [Member] | Samsung Electronics Co Ltd Pfd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30% [5]
C000241856 [Member] | HD HYUNDAI MIPO [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [5]
C000241856 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [5]
C000241856 [Member] | KT And G Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [5]
C000241856 [Member] | Samsung Biologics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [5]
C000241856 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.50%
C000241856 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.90%
C000241856 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000241856 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000241856 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000241856 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000241856 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000241856 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000241856 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000241856 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000241856 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000241856 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 99.40%
C000241856 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000245019 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 43.90% [6]
C000245019 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90% [6]
C000245019 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30% [6]
C000245019 [Member] | Swiggy Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [6]
C000245019 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60% [6]
C000245019 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [6]
C000245019 [Member] | YDUQS Participacoes SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [6]
C000245019 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [6]
C000245019 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [6]
C000245019 [Member] | JD Health International Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [6]
C000245019 [Member] | Indus Towers Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40% [6]
C000245019 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000245019 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000245019 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30%
C000245019 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000245019 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000245019 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000245019 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000245019 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000245019 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000245019 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000245019 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000245019 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000245019 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 24.70%
C000245019 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000245019 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000245019 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000245019 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000245019 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000245019 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000245019 [Member] | ROMANIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000245019 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000245019 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000245020 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.30% [7]
C000245020 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10% [7]
C000245020 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80% [7]
C000245020 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80% [7]
C000245020 [Member] | China Merchants Bank Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80% [7]
C000245020 [Member] | KB Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [7]
C000245020 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [7]
C000245020 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [7]
C000245020 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80% [7]
C000245020 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [7]
C000245020 [Member] | Sea Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [7]
C000245020 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 32.60%
C000245020 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000245020 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000245020 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
C000245020 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000245020 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000245020 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000245020 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000245020 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000245020 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000245020 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000245020 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 21.30%
C000245020 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 17.20%
C000245020 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000245020 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000245020 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000245020 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000245020 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000245020 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000245021 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.50% [8]
C000245021 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40% [8]
C000245021 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60% [8]
C000245021 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40% [8]
C000245021 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30% [8]
C000245021 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70% [8]
C000245021 [Member] | Reliance Industries Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80% [8]
C000245021 [Member] | Swiggy Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40% [8]
C000245021 [Member] | Bajaj Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40% [8]
C000245021 [Member] | Infosys Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [8]
C000245021 [Member] | Cholamandalam Investment and Finance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80% [8]
C000245021 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000245021 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.40%
C000245021 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000245021 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000245021 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000245021 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000245021 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000245021 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000245021 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000245021 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (3.20%)
C000245021 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 103.20%
C000245021 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (3.20%)
C000245022 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.30% [9]
C000245022 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80% [9]
C000245022 [Member] | Tokio Marine Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [9]
C000245022 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40% [9]
C000245022 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30% [9]
C000245022 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10% [9]
C000245022 [Member] | NEC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [9]
C000245022 [Member] | Ajinomoto Co Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [9]
C000245022 [Member] | Shin Etsu Chemical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [9]
C000245022 [Member] | Mitsui Fudosan Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [9]
C000245022 [Member] | ITOCHU Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [9]
C000245022 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
C000245022 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
C000245022 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.10%
C000245022 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000245022 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.20%
C000245022 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000245022 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000245022 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000245022 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000245022 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000245022 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
C000245022 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000245023 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.50% [10]
C000245023 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.30% [10]
C000245023 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70% [10]
C000245023 [Member] | NEC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [10]
C000245023 [Member] | Ajinomoto Co Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [10]
C000245023 [Member] | ITOCHU Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [10]
C000245023 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [10]
C000245023 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [10]
C000245023 [Member] | AIA Group Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [10]
C000245023 [Member] | Commonwealth Bank of Australia [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80% [10]
C000245023 [Member] | NetEase Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [10]
C000245023 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.90%
C000245023 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000245023 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.70%
C000245023 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000245023 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000245023 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000245023 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000245023 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000245023 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000245023 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000245023 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000245023 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000245023 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000245023 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000245023 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000245023 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000245023 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000245023 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000245023 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000245023 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 26.40%
C000245023 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000245023 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000247849 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.90% [11]
C000247849 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90% [11]
C000247849 [Member] | Hugel Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10% [11]
C000247849 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [11]
C000247849 [Member] | YDUQS Participacoes SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [11]
C000247849 [Member] | We Buy Cars Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [11]
C000247849 [Member] | Grupo SBF SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [11]
C000247849 [Member] | Cartrade Tech Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [11]
C000247849 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [11]
C000247849 [Member] | Radico Khaitan Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [11]
C000247849 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [11]
C000247849 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000247849 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247849 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000247849 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000247849 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000247849 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000247849 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000247849 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000247849 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000247849 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000247849 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000247849 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000247849 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000247849 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 26.40%
C000247849 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000247849 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247849 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000247849 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000247849 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247849 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000247849 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000247849 [Member] | CHILE  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000247849 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000247850 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.60% [12]
C000247850 [Member] | Full Truck Alliance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [12]
C000247850 [Member] | NetEase Cloud Music Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [12]
C000247850 [Member] | Hongfa Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60% [12]
C000247850 [Member] | Atour Lifestyle Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [12]
C000247850 [Member] | DPC Dash Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [12]
C000247850 [Member] | ACM Research Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [12]
C000247850 [Member] | Yantai Jereh Oilfield Services Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [12]
C000247850 [Member] | Tongcheng Travel Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [12]
C000247850 [Member] | Zhejiang Shuanghuan Driveline Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [12]
C000247850 [Member] | Sichuan Kelun Biotech Biopharmaceutical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [12]
C000247850 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 80.90%
C000247850 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
C000247850 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000247850 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247850 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.70%
C000247850 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000247850 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000247850 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000247850 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000247850 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000247850 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000247850 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000247850 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000247850 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000247850 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
[1] Excludes short-term securities, if any.
[2] Excludes short-term securities, if any.
[3] Excludes short-term securities, if any.
[4] Excludes short-term securities, if any.
[5] Excludes short-term securities, if any.
[6] Excludes short-term securities, if any.
[7] Excludes short-term securities, if any.
[8] Excludes short-term securities, if any.
[9] Excludes short-term securities, if any.
[10] Excludes short-term securities, if any.
[11] Excludes short-term securities, if any.
[12] Excludes short-term securities, if any.