v3.26.1
Shareholder Report, Holdings (Details)
Feb. 28, 2026
C000109983 [Member] | Industrias Penoles SAB de CV [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.20% [1]
C000109983 [Member] | Fresnillo PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.10% [1]
C000109983 [Member] | First Majestic Silver Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.60% [1]
C000109983 [Member] | Endeavour Silver Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [1]
C000109983 [Member] | Agnico Eagle Mines Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [1]
C000109983 [Member] | Discovery Silver Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [1]
C000109983 [Member] | Silvercorp Metals Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [1]
C000109983 [Member] | Wheaton Precious Metals Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [1]
C000109983 [Member] | Newmont Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [1]
C000109983 [Member] | Hecla Mining Co [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.00% [1]
C000109983 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 20.20% [1]
C000109983 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 0.40% [1]
C000109983 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 10.80% [1]
C000109983 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Total Investments 1.20% [1]
C000109983 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Total Investments 10.20% [1]
C000109983 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Total Investments 0.10% [1]
C000109983 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 2.10% [1]
C000109983 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 55.00% [1]
C000147985 [Member] | BlackRock Cash Funds Treasury SL Agency Shares [Member]  
Holdings [Line Items]  
Percent of Total Investments 98.80% [2]
C000147985 [Member] | Sberbank of Russia PJSC [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [2]
C000147985 [Member] | Alrosa PJSC [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [2]
C000147985 [Member] | United Co RUSAL International PJSC [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [2]
C000147985 [Member] | Mobile TeleSystems PJSC [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [2]
C000147985 [Member] | Rosneft Oil Co PJSC [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [2]
C000147985 [Member] | Severstal PAO [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [2],[3]
C000147985 [Member] | VK Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [2],[3]
C000147985 [Member] | X5 Retail Group NV GDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.00% [2],[3]
C000147985 [Member] | Moscow Exchange MICEX RTS PJSC [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10% [2]
C000100213 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50% [4],[5]
C000100213 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [4]
C000100213 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20% [4]
C000100213 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.10% [4]
C000100213 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [4]
C000100213 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70% [4]
C000100213 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50% [4]
C000100213 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.60% [4]
C000100213 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.20% [4]
C000100213 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 21.50% [4]
C000100213 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70% [4]
C000100213 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80% [4]
C000100213 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 1.10% [4]
C000100213 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Total Investments 1.30% [4]
C000100213 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 4.60% [4]
C000100213 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 10.30% [4]
C000100213 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Total Investments 1.10% [4]
C000100213 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 1.90% [4]
C000100213 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 4.10% [4]
C000100213 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 57.90% [4]
C000100213 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 6.30% [4]
C000100213 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 1.90% [4]
C000011960 [Member] | Industria de Diseno Textil SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [6]
C000011960 [Member] | ACS Actividades de Construccion y Servicios SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [6]
C000011960 [Member] | Amadeus IT Group SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [6]
C000011960 [Member] | Aena SME SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.70% [6]
C000011960 [Member] | Banco Bilbao Vizcaya Argentaria SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00% [6]
C000011960 [Member] | Ferrovial SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [6]
C000011960 [Member] | CaixaBank SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [6]
C000011960 [Member] | Repsol SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [6]
C000011960 [Member] | Banco Santander SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.10% [6]
C000011960 [Member] | Iberdrola SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20% [6]
C000011960 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [6]
C000011960 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 41.50% [6]
C000011960 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60% [6]
C000011960 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00% [6]
C000011960 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.30% [6]
C000011960 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.00% [6]
C000011960 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40% [6]
C000011960 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.80% [6]
C000011967 [Member] | UCB SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.20% [7]
C000011967 [Member] | KBC Group NV [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [7]
C000011967 [Member] | Ageas SA NV [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [7]
C000011967 [Member] | Ackermans And van Haaren NV [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [7]
C000011967 [Member] | Anheuser Busch InBev SA NV [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.50% [7]
C000011967 [Member] | Argenx SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.90% [7]
C000011967 [Member] | Groupe Bruxelles Lambert NV [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [7]
C000011967 [Member] | Elia Group SA NV Class B [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [7]
C000011967 [Member] | Warehouses De Pauw CVA [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.50% [7]
C000011967 [Member] | Financiere de Tubize SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [7]
C000011967 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.10% [7]
C000011967 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.10% [7]
C000011967 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 26.10% [7]
C000011967 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.10% [7]
C000011967 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30% [7]
C000011967 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00% [7]
C000011967 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.90% [7]
C000011967 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.80% [7]
C000011967 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50% [7]
C000011967 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40% [7]
C000011967 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [7]
C000011957 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30% [8]
C000011957 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 44.60% [8]
C000011957 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20% [8]
C000011957 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80% [8]
C000011957 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [8]
C000011957 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.50% [8]
C000011957 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [8]
C000011957 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50% [8]
C000011957 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [8]
C000011957 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 15.30% [8]
C000011957 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [8]
C000011957 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Total Investments 18.90% [8]
C000011957 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Total Investments 15.60% [8]
C000011957 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 63.70% [8]
C000011957 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 0.10% [8]
C000011957 [Member] | NEW ZEALAND  
Holdings [Line Items]  
Percent of Total Investments 1.70% [8]
C000100212 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50% [9],[10]
C000100212 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [9]
C000100212 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60% [9]
C000100212 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.80% [9]
C000100212 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.80% [9]
C000100212 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70% [9]
C000100212 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.70% [9]
C000100212 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80% [9]
C000100212 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [9]
C000100212 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.50% [9]
C000100212 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [9]
C000100212 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [9]
C000100212 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 17.80% [9]
C000100212 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 17.20% [9]
C000100212 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 21.00% [9]
C000100212 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 12.40% [9]
C000100212 [Member] | KUWAIT  
Holdings [Line Items]  
Percent of Total Investments 1.80% [9]
C000100212 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 3.50% [9]
C000100212 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Total Investments 1.90% [9]
C000100212 [Member] | UNITED ARAB EMIRATES  
Holdings [Line Items]  
Percent of Total Investments 4.20% [9]
C000100212 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 3.00% [9]
C000100212 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 6.70% [9]
C000050068 [Member] | Delta Electronics Thailand PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.10% [11]
C000050068 [Member] | Advanced Info Service PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.90% [11]
C000050068 [Member] | PTT PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.90% [11]
C000050068 [Member] | CP ALL PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [11]
C000050068 [Member] | Gulf Development PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [11]
C000050068 [Member] | Bangkok Dusit Medical Services PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30% [11]
C000050068 [Member] | Airports of Thailand PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20% [11]
C000050068 [Member] | PTT Exploration And Production PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [11]
C000050068 [Member] | Siam Cement PCL The NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.20% [11]
C000050068 [Member] | True Corp PCL NVDR [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80% [11]
C000050068 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.70% [11]
C000050068 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.10% [11]
C000050068 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.40% [11]
C000050068 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.70% [11]
C000050068 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20% [11]
C000050068 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80% [11]
C000050068 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.10% [11]
C000050068 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00% [11]
C000050068 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.80% [11]
C000050068 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.10% [11]
C000050068 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.10% [11]
C000011959 [Member] | FirstRand Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.50% [12]
C000011959 [Member] | Valterra Platinum Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40% [12]
C000011959 [Member] | Impala Platinum Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80% [12]
C000011959 [Member] | Standard Bank Group Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [12]
C000011959 [Member] | MTN Group Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30% [12]
C000011959 [Member] | Capitec Bank Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20% [12]
C000011959 [Member] | Absa Group Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [12]
C000011959 [Member] | Anglogold Ashanti PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.50% [12]
C000011959 [Member] | Gold Fields Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.00% [12]
C000011959 [Member] | Naspers Ltd Class N [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.20% [12]
C000011959 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.20% [12]
C000011959 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50% [12]
C000011959 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00% [12]
C000011959 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.70% [12]
C000011959 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40% [12]
C000011959 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40% [12]
C000011959 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 44.80% [12]
C000011963 [Member] | Atlas Copco AB Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.90% [13]
C000011963 [Member] | Sandvik AB [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.60% [13]
C000011963 [Member] | Assa Abloy AB Class B [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [13]
C000011963 [Member] | Swedbank AB Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [13]
C000011963 [Member] | Telefonaktiebolaget LM Ericsson Class B [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [13]
C000011963 [Member] | Skandinaviska Enskilda Banken AB Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [13]
C000011963 [Member] | Atlas Copco AB Class B [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [13]
C000011963 [Member] | Investor AB Class B [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.10% [13]
C000011963 [Member] | Volvo AB Class B [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.40% [13]
C000011963 [Member] | Spotify Technology SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.60% [13]
C000011963 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.90% [13]
C000011963 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [13]
C000011963 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20% [13]
C000011963 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.50% [13]
C000011963 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [13]
C000011963 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30% [13]
C000011963 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 46.20% [13]
C000011963 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.70% [13]
C000011963 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [13]
C000011954 [Member] | Malayan Banking Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.10% [14]
C000011954 [Member] | Public Bank Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.00% [14]
C000011954 [Member] | CIMB Group Holdings Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.70% [14]
C000011954 [Member] | Tenaga Nasional Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.40% [14]
C000011954 [Member] | Press Metal Aluminium Holdings Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [14]
C000011954 [Member] | IHH Healthcare Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [14]
C000011954 [Member] | Gamuda Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [14]
C000011954 [Member] | AMMB Holdings Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [14]
C000011954 [Member] | Sunway Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [14]
C000011954 [Member] | Hong Leong Bank Bhd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00% [14]
C000011954 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 49.80% [14]
C000011954 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [14]
C000011954 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.90% [14]
C000011954 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40% [14]
C000011954 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.00% [14]
C000011954 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.10% [14]
C000011954 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00% [14]
C000011954 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.90% [14]
C000011973 [Member] | Siemens Energy AG [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30% [15]
C000011973 [Member] | Deutsche Telekom AG Registered [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.20% [15]
C000011973 [Member] | Rheinmetall AG [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [15]
C000011973 [Member] | Muenchener Rueckversicherungs Gesellschaft AG in Muenchen Registered [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10% [15]
C000011973 [Member] | Infineon Technologies AG [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.40% [15]
C000011973 [Member] | Deutsche Bank AG Registered [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [15]
C000011973 [Member] | Deutsche Post AG Registered [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.60% [15]
C000011973 [Member] | SAP SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.20% [15]
C000011973 [Member] | Allianz SE Registered [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.30% [15]
C000011973 [Member] | Siemens AG Registered [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.70% [15]
C000011973 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.80% [15]
C000011973 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.70% [15]
C000011973 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60% [15]
C000011973 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.70% [15]
C000011973 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.40% [15]
C000011973 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [15]
C000011973 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 29.80% [15]
C000011973 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.90% [15]
C000011973 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80% [15]
C000011973 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [15]
C000011968 [Member] | Petroleo Brasileiro SA Petrobras Preference Shares NVS [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30% [16]
C000011968 [Member] | Petroleo Brasileiro SA Petrobras [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.60% [16]
C000011968 [Member] | Banco Bradesco SA Preference Shares NVS [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.70% [16]
C000011968 [Member] | B3 SA Brasil Bolsa Balcao [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60% [16]
C000011968 [Member] | WEG SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [16]
C000011968 [Member] | Ambev SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [16]
C000011968 [Member] | Cia de Saneamento Basico do Estado de Sao Paulo SABESP [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [16]
C000011968 [Member] | Vale SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.30% [16]
C000011968 [Member] | NU Holdings Ltd Cayman Islands Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.30% [16]
C000011968 [Member] | Itau Unibanco Holding SA Preference Shares NVS [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.10% [16]
C000011968 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.60% [16]
C000011968 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 37.20% [16]
C000011968 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30% [16]
C000011968 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40% [16]
C000011968 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10% [16]
C000011968 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.90% [16]
C000011968 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.00% [16]
C000011968 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.80% [16]
C000011968 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.70% [16]
C000011968 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.00% [16]
C000011962 [Member] | Hyundai Motor Co [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30% [17]
C000011962 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30% [17]
C000011962 [Member] | KB Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10% [17]
C000011962 [Member] | Kia Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [17]
C000011962 [Member] | Doosan Enerbility Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70% [17]
C000011962 [Member] | Shinhan Financial Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50% [17]
C000011962 [Member] | Hanwha Aerospace Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50% [17]
C000011962 [Member] | Celltrion Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40% [17]
C000011962 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.60% [17]
C000011962 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.10% [17]
C000011962 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30% [17]
C000011962 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.40% [17]
C000011962 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10% [17]
C000011962 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [17]
C000011962 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50% [17]
C000011962 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.50% [17]
C000011962 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.70% [17]
C000011962 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 47.40% [17]
C000011962 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00% [17]
C000011962 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [17]
C000052897 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.60% [18],[19]
C000052897 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.60% [18]
C000052897 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.00% [18]
C000052897 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30% [18]
C000052897 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.20% [18]
C000052897 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.60% [18]
C000052897 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.70% [18]
C000052897 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.10% [18]
C000052897 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.80% [18]
C000052897 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.60% [18]
C000052897 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [18]
C000052897 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.20% [18],[20]
C000052897 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 20.20% [18]
C000052897 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 21.50% [18]
C000052897 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Total Investments 4.00% [18]
C000052897 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 11.00% [18]
C000052897 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 16.20% [18]
C000052897 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 2.80% [18]
C000052897 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Total Investments 2.50% [18]
C000052897 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 3.70% [18]
C000052897 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 3.10% [18]
C000052897 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Total Investments 2.40% [18]
C000050065 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.20% [21]
C000050065 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 24.30% [21]
C000050065 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.70% [21]
C000050065 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20% [21]
C000050065 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.10% [21]
C000050065 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.70% [21]
C000050065 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30% [21]
C000050065 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30% [21]
C000050065 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.60% [21]
C000050065 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.00% [21]
C000050065 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60% [21]
C000050065 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 31.10% [21]
C000050065 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 57.80% [21]
C000050065 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 11.10% [21]
C000050065 [Member] | RUSSIAN FEDERATION  
Holdings [Line Items]  
Percent of Total Investments 0.00% [21],[22]
C000011969 [Member] | Agnico Eagle Mines Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.20% [23]
C000011969 [Member] | Bank of Nova Scotia The [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [23]
C000011969 [Member] | Canadian Natural Resources Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00% [23]
C000011969 [Member] | Brookfield Corp Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00% [23]
C000011969 [Member] | Royal Bank of Canada [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.70% [23]
C000011969 [Member] | Toronto Dominion Bank The [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40% [23]
C000011969 [Member] | Shopify Inc Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.90% [23]
C000011969 [Member] | Enbridge Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [23]
C000011969 [Member] | Bank of Montreal [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.40% [23]
C000011969 [Member] | Canadian Imperial Bank of Commerce [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [23]
C000011969 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.20% [23]
C000011969 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 35.80% [23]
C000011969 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.20% [23]
C000011969 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.80% [23]
C000011969 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30% [23]
C000011969 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.70% [23]
C000011969 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.40% [23]
C000011969 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.00% [23]
C000011969 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 18.90% [23]
C000011969 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [23]
C000011971 [Member] | TotalEnergies SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.90% [24]
C000011971 [Member] | LVMH Moet Hennessy Louis Vuitton SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.90% [24]
C000011971 [Member] | Safran SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.20% [24]
C000011971 [Member] | Airbus SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.60% [24]
C000011971 [Member] | Air Liquide SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [24]
C000011971 [Member] | BNP Paribas SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.90% [24]
C000011971 [Member] | L Oreal SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.90% [24]
C000011971 [Member] | Sanofi SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [24]
C000011971 [Member] | Vinci SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.60% [24]
C000011971 [Member] | Schneider Electric SE [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80% [24]
C000011971 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.10% [24]
C000011971 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.90% [24]
C000011971 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.30% [24]
C000011971 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.40% [24]
C000011971 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.60% [24]
C000011971 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.40% [24]
C000011971 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.60% [24]
C000011971 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 31.90% [24]
C000011971 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40% [24]
C000011971 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.50% [24]
C000011971 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.90% [24]
C000050066 [Member] | Sociedad Quimica y Minera de Chile SA Class B Preference Shares [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.40% [25]
C000050066 [Member] | Banco de Chile [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.50% [25]
C000050066 [Member] | Latam Airlines Group SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.80% [25]
C000050066 [Member] | Falabella SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.20% [25]
C000050066 [Member] | Parque Arauco SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.10% [25]
C000050066 [Member] | Banco Santander Chile [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [25]
C000050066 [Member] | Empresas Copec SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [25]
C000050066 [Member] | Banco de Credito e Inversiones SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [25]
C000050066 [Member] | Cencosud SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.10% [25]
C000050066 [Member] | Enel Chile SA [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [25]
C000050066 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.20% [25]
C000050066 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.90% [25]
C000050066 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70% [25]
C000050066 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.10% [25]
C000050066 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00% [25]
C000050066 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.50% [25]
C000050066 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.80% [25]
C000050066 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.80% [25]
C000052898 [Member] | Shizuoka Financial Group Inc NVS [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [26]
C000052898 [Member] | Yaskawa Electric Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [26]
C000052898 [Member] | Kokusai Electric Corp NVS [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.60% [26]
C000052898 [Member] | Fukuoka Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [26]
C000052898 [Member] | Mitsui Kinzoku Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [26]
C000052898 [Member] | Sojitz Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.70% [26]
C000052898 [Member] | Resonac Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [26]
C000052898 [Member] | Mebuki Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [26]
C000052898 [Member] | Niterra Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50% [26]
C000052898 [Member] | Furukawa Electric Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.80% [26]
C000052898 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.00% [26]
C000052898 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.00% [26]
C000052898 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [26]
C000052898 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.20% [26]
C000052898 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.50% [26]
C000052898 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.90% [26]
C000052898 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.90% [26]
C000052898 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.60% [26]
C000052898 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.20% [26]
C000052898 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.40% [26]
C000052898 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30% [26]
C000106873 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [27]
C000106873 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.10% [27]
C000106873 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [27]
C000106873 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.90% [27]
C000106873 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.80% [27]
C000106873 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.40% [27]
C000106873 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [27]
C000106873 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.80% [27]
C000106873 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 37.40% [27]
C000106873 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.00% [27]
C000106873 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80% [27]
C000106873 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 17.10% [27]
C000106873 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 26.40% [27]
C000106873 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Total Investments 0.50% [27]
C000106873 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 31.70% [27]
C000106873 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 19.90% [27]
C000106873 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 1.60% [27]
C000106873 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Total Investments 1.50% [27]
C000106873 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Total Investments 1.30% [27]
C000170244 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30% [28],[29]
C000170244 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.50% [28]
C000170244 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.80% [28]
C000170244 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.60% [28]
C000170244 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.30% [28]
C000170244 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.90% [28]
C000170244 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.10% [28]
C000170244 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [28]
C000170244 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40% [28]
C000170244 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 33.80% [28]
C000170244 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [28]
C000170244 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60% [28]
C000170244 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 12.00% [28]
C000170244 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 23.40% [28]
C000170244 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Total Investments 5.00% [28]
C000170244 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Total Investments 1.40% [28]
C000170244 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 23.60% [28]
C000170244 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 18.30% [28]
C000170244 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 2.30% [28]
C000170244 [Member] | UNITED ARAB EMIRATES  
Holdings [Line Items]  
Percent of Total Investments 1.50% [28]
C000170244 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 4.10% [28]
C000170244 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 2.10% [28]
C000011958 [Member] | Singapore Airlines Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [30]
C000011958 [Member] | Keppel Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [30]
C000011958 [Member] | Singapore Exchange Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [30]
C000011958 [Member] | Sea Ltd ADR [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [30]
C000011958 [Member] | Wilmar International Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [30]
C000011958 [Member] | CapitaLand Ascendas REIT [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [30]
C000011958 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 22.20% [30]
C000011958 [Member] | Oversea Chinese Banking Corp Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.00% [30]
C000011958 [Member] | Yangzijiang Shipbuilding Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50% [30]
C000011958 [Member] | Singapore Telecommunications Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [30]
C000011958 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 50.00% [30]
C000011958 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.90% [30]
C000011958 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [30]
C000011958 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [30]
C000011958 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40% [30]
C000011958 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.40% [30]
C000011958 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30% [30]
C000011951 [Member] | Sun Hung Kai Properties Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.80% [31]
C000011951 [Member] | Techtronic Industries Co Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [31]
C000011951 [Member] | BOC Hong Kong Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.60% [31]
C000011951 [Member] | CLP Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [31]
C000011951 [Member] | Hong Kong Exchanges And Clearing Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.50% [31]
C000011951 [Member] | CK Hutchison Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.30% [31]
C000011951 [Member] | AIA Group Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.30% [31]
C000011951 [Member] | Link REIT [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.30% [31]
C000011951 [Member] | CK Asset Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [31]
C000011951 [Member] | Power Assets Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.90% [31]
C000011951 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 43.60% [31]
C000011951 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 19.30% [31]
C000011951 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.60% [31]
C000011951 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30% [31]
C000011951 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70% [31]
C000011951 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.50% [31]
C000011951 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.00% [31]
C000109985 [Member] | Agnico Eagle Mines Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.30% [32]
C000109985 [Member] | Wheaton Precious Metals Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.00% [32]
C000109985 [Member] | Newmont Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 15.20% [32]
C000109985 [Member] | Anglogold Ashanti PLC [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.90% [32]
C000109985 [Member] | Gold Fields Ltd [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [32]
C000109985 [Member] | Kinross Gold Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30% [32]
C000109985 [Member] | Zijin Mining Group Co Ltd Class H [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50% [32]
C000109985 [Member] | Pan American Silver Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.40% [32]
C000109985 [Member] | Alamos Gold Inc Class A [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10% [32]
C000109985 [Member] | Barrick Mining Corp [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.40% [32]
C000109985 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 18.00% [32]
C000109985 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.20% [32]
C000109985 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 2.70% [32]
C000109985 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Total Investments 12.00% [32]
C000109985 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 5.00% [32]
C000109985 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 57.10% [32]
C000109985 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Total Investments 0.40% [32]
C000109985 [Member] | INDONESIA  
Holdings [Line Items]  
Percent of Total Investments 0.60% [32]
C000109985 [Member] | RUSSIAN FEDERATION  
Holdings [Line Items]  
Percent of Total Investments 0.00% [32],[33]
C000108746 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.50% [34],[35]
C000108746 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.00% [34]
C000108746 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.30% [34]
C000108746 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.90% [34]
C000108746 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.90% [34]
C000108746 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.60% [34]
C000108746 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.40% [34]
C000108746 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.80% [34]
C000108746 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.30% [34]
C000108746 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.20% [34]
C000108746 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.80% [34]
C000108746 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.80% [34]
C000108746 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 2.70% [34]
C000108746 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 6.10% [34]
C000108746 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 2.50% [34]
C000108746 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 70.00% [34]
C000108746 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 1.80% [34]
C000108746 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 3.90% [34]
C000108746 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 3.60% [34]
C000108746 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 1.10% [34]
C000108746 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 1.40% [34]
C000108746 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 2.40% [34]
C000109986 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.30% [36],[37]
C000109986 [Member] | Agricultural Products And Services [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.50% [36]
C000109986 [Member] | Packaged Foods And Meats [Member]  
Holdings [Line Items]  
Percent of Total Investments 15.40% [36]
C000109986 [Member] | Fertilizers And Agricultural Chemicals [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.50% [36]
C000109986 [Member] | Agricultural And Farm Machinery [Member]  
Holdings [Line Items]  
Percent of Total Investments 36.60% [36]
C000109986 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Total Investments 1.90% [36]
C000109986 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 4.20% [36]
C000109986 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 4.90% [36]
C000109986 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 60.00% [36]
C000109986 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 2.70% [36]
C000109986 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 7.00% [36]
C000109986 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 1.90% [36]
C000109986 [Member] | NORWAY  
Holdings [Line Items]  
Percent of Total Investments 5.20% [36]
C000109986 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 2.40% [36]
C000109986 [Member] | SAUDI ARABIA  
Holdings [Line Items]  
Percent of Total Investments 2.50% [36]
[1]
Excludes money market funds.
[2]
Excludes money market funds.
[3] Rounds to less than 0.1%.
[4]
Excludes money market funds.
[5]
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[6] Excludes money market funds.
[7] Excludes money market funds.
[8]
Excludes money market funds.
[9]
Excludes money market funds.
[10]
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[11] Excludes money market funds.
[12]
Excludes money market funds.
[13] Excludes money market funds.
[14]
Excludes money market funds.
[15]
Excludes money market funds.
[16]
Excludes money market funds.
[17] Excludes money market funds.
[18]
Excludes money market funds.
[19] Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[20] Ten largest sectors are presented. Additional sectors are found in Other.
[21] Excludes money market funds.
[22] Rounds to less than 0.1%.
[23]
Excludes money market funds.
[24]
Excludes money market funds.
[25]
Excludes money market funds.
[26]
Excludes money market funds.
[27]
Excludes money market funds.
[28] Excludes money market funds.
[29] Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[30]
Excludes money market funds.
[31]
Excludes money market funds.
[32]
Excludes money market funds.
[33]
Rounds to less than 0.1%.
[34]
Excludes money market funds.
[35]
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.
[36] Excludes money market funds.
[37] Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other.