v3.26.1
Shareholder Report, Holdings (Details)
Feb. 28, 2026
C000014185 | FR_BMMV2K903  
Holdings [Line Items]  
Percent of Total Investments 18.80%
C000014185 | FR_BK6YZP902  
Holdings [Line Items]  
Percent of Total Investments 14.40%
C000014185 | FR_B0LMTQ900  
Holdings [Line Items]  
Percent of Total Investments 7.50%
C000014185 | FR_672529906  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000014185 | FR_B01FLR903  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000014185 | FR_B1G1QD902  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000014185 | FR_BD5LYF900  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000014185 | FR_967JXD907  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000014185 | FR_B09N7M905  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000014185 | FR_622657906  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000014185 | PetroChina Co. Ltd.H  
Holdings [Line Items]  
Percent of Total Investments 59.90%
C000014185 | SectorUtilities  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000014185 | SectorReal Estate  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000014185 | SectorShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000014185 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000014185 | SectorHealth Care  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000014185 | SectorEnergy  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000014185 | SectorMaterials  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000014185 | SectorIndustrials  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000014185 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000014185 | SectorFinancials  
Holdings [Line Items]  
Percent of Total Investments 19.10%
C000014185 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Total Investments 20.20%
C000014185 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Total Investments 22.10%
C000014187 | FR_BMMV2K903  
Holdings [Line Items]  
Percent of Total Investments 18.80%
C000014187 | FR_BK6YZP902  
Holdings [Line Items]  
Percent of Total Investments 14.40%
C000014187 | FR_B0LMTQ900  
Holdings [Line Items]  
Percent of Total Investments 7.50%
C000014187 | FR_672529906  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000014187 | FR_B01FLR903  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000014187 | FR_B1G1QD902  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000014187 | FR_BD5LYF900  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000014187 | FR_967JXD907  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000014187 | FR_B09N7M905  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000014187 | FR_622657906  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000014187 | PetroChina Co. Ltd.H  
Holdings [Line Items]  
Percent of Total Investments 59.90%
C000014187 | SectorUtilities  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000014187 | SectorReal Estate  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000014187 | SectorShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000014187 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000014187 | SectorHealth Care  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000014187 | SectorEnergy  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000014187 | SectorMaterials  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000014187 | SectorIndustrials  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000014187 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000014187 | SectorFinancials  
Holdings [Line Items]  
Percent of Total Investments 19.10%
C000014187 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Total Investments 20.20%
C000014187 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Total Investments 22.10%
C000014184 | FR_BMMV2K903  
Holdings [Line Items]  
Percent of Total Investments 18.80%
C000014184 | FR_BK6YZP902  
Holdings [Line Items]  
Percent of Total Investments 14.40%
C000014184 | FR_B0LMTQ900  
Holdings [Line Items]  
Percent of Total Investments 7.50%
C000014184 | FR_672529906  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000014184 | FR_B01FLR903  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000014184 | FR_B1G1QD902  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000014184 | FR_BD5LYF900  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000014184 | FR_967JXD907  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000014184 | FR_B09N7M905  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000014184 | FR_622657906  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000014184 | PetroChina Co. Ltd.H  
Holdings [Line Items]  
Percent of Total Investments 59.90%
C000014184 | SectorUtilities  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000014184 | SectorReal Estate  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000014184 | SectorShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000014184 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000014184 | SectorHealth Care  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000014184 | SectorEnergy  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000014184 | SectorMaterials  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000014184 | SectorIndustrials  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000014184 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000014184 | SectorFinancials  
Holdings [Line Items]  
Percent of Total Investments 19.10%
C000014184 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Total Investments 20.20%
C000014184 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Total Investments 22.10%
C000104752 | FR_61774R767  
Holdings [Line Items]  
Percent of Total Investments 11.00%
C000104752 | FR_61774R841  
Holdings [Line Items]  
Percent of Total Investments 10.80%
C000104752 | FR_46434G103  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000104752 | FR_921946885  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000104752 | FR_464287176  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000104752 | FR_92206C102  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000104752 | FR_ACI2T4QH6  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000104752 | FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000104752 | FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000104752 | FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000104752 | Microsoft Corp.  
Holdings [Line Items]  
Percent of Total Investments 46.50%
C000104752 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000104752 | AssetSovereign Government Bonds  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000104752 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Total Investments 38.80%
C000104752 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Total Investments 55.10%
C000104753 | FR_61774R767  
Holdings [Line Items]  
Percent of Total Investments 11.00%
C000104753 | FR_61774R841  
Holdings [Line Items]  
Percent of Total Investments 10.80%
C000104753 | FR_46434G103  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000104753 | FR_921946885  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000104753 | FR_464287176  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000104753 | FR_92206C102  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000104753 | FR_ACI2T4QH6  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000104753 | FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000104753 | FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000104753 | FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000104753 | Microsoft Corp.  
Holdings [Line Items]  
Percent of Total Investments 46.50%
C000104753 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000104753 | AssetSovereign Government Bonds  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000104753 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Total Investments 38.80%
C000104753 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Total Investments 55.10%
C000104754 | FR_61774R767  
Holdings [Line Items]  
Percent of Total Investments 11.00%
C000104754 | FR_61774R841  
Holdings [Line Items]  
Percent of Total Investments 10.80%
C000104754 | FR_46434G103  
Holdings [Line Items]  
Percent of Total Investments 4.20%
C000104754 | FR_921946885  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000104754 | FR_464287176  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000104754 | FR_92206C102  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000104754 | FR_ACI2T4QH6  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000104754 | FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000104754 | FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000104754 | FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000104754 | Microsoft Corp.  
Holdings [Line Items]  
Percent of Total Investments 46.50%
C000104754 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000104754 | AssetSovereign Government Bonds  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000104754 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Total Investments 38.80%
C000104754 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Total Investments 55.10%
C000092730 | FR_46434G103  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000092730 | FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000092730 | FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000092730 | FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000092730 | FR_023135106  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000092730 | FR_02079K305  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092730 | FR_464286400  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000092730 | FR_30303M102  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092730 | FR_11135F101  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092730 | FR_46434G772  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092730 | iShares MSCI Taiwan ETF  
Holdings [Line Items]  
Percent of Total Investments 25.40%
C000092730 | SectorUtilities  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000092730 | SectorReal Estate  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092730 | SectorShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000092730 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000092730 | SectorHealth Care  
Holdings [Line Items]  
Percent of Total Investments 7.20%
C000092730 | SectorEnergy  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092730 | SectorMaterials  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000092730 | SectorIndustrials  
Holdings [Line Items]  
Percent of Total Investments 16.60%
C000092730 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Total Investments 18.50%
C000092730 | SectorFinancials  
Holdings [Line Items]  
Percent of Total Investments 17.10%
C000092730 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000092730 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Total Investments 6.80%
C000092730 | SectorExchange-Traded Funds  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000092731 | FR_46434G103  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000092731 | FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000092731 | FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000092731 | FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000092731 | FR_023135106  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000092731 | FR_02079K305  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092731 | FR_464286400  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000092731 | FR_30303M102  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092731 | FR_11135F101  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092731 | FR_46434G772  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092731 | iShares MSCI Taiwan ETF  
Holdings [Line Items]  
Percent of Total Investments 25.40%
C000092731 | SectorUtilities  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000092731 | SectorReal Estate  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092731 | SectorShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000092731 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000092731 | SectorHealth Care  
Holdings [Line Items]  
Percent of Total Investments 7.20%
C000092731 | SectorEnergy  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092731 | SectorMaterials  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000092731 | SectorIndustrials  
Holdings [Line Items]  
Percent of Total Investments 16.60%
C000092731 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Total Investments 18.50%
C000092731 | SectorFinancials  
Holdings [Line Items]  
Percent of Total Investments 17.10%
C000092731 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000092731 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Total Investments 6.80%
C000092731 | SectorExchange-Traded Funds  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000092732 | FR_46434G103  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000092732 | FR_67066G104  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000092732 | FR_037833100  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000092732 | FR_594918104  
Holdings [Line Items]  
Percent of Total Investments 2.80%
C000092732 | FR_023135106  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000092732 | FR_02079K305  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092732 | FR_464286400  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000092732 | FR_30303M102  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092732 | FR_11135F101  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092732 | FR_46434G772  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092732 | iShares MSCI Taiwan ETF  
Holdings [Line Items]  
Percent of Total Investments 25.40%
C000092732 | SectorUtilities  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000092732 | SectorReal Estate  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092732 | SectorShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000092732 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000092732 | SectorHealth Care  
Holdings [Line Items]  
Percent of Total Investments 7.20%
C000092732 | SectorEnergy  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092732 | SectorMaterials  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000092732 | SectorIndustrials  
Holdings [Line Items]  
Percent of Total Investments 16.60%
C000092732 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Total Investments 18.50%
C000092732 | SectorFinancials  
Holdings [Line Items]  
Percent of Total Investments 17.10%
C000092732 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000092732 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Total Investments 6.80%
C000092732 | SectorExchange-Traded Funds  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000014191 | FR_532457108  
Holdings [Line Items]  
Percent of Total Investments 11.30%
C000014191 | FR_00287Y109  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000014191 | FR_098952906  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000014191 | FR_478160104  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000014191 | FR_711038901  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000014191 | FR_58933Y105  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000014191 | FR_110122108  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000014191 | FR_91324P102  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000014191 | FR_92532F100  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000014191 | FR_375558103  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000014191 | Gilead Sciences, Inc.  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000014191 | Short-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 0.00% [1]
C000014191 | Health Care Technology  
Holdings [Line Items]  
Percent of Total Investments 0.60%
C000014191 | Health Care Services  
Holdings [Line Items]  
Percent of Total Investments 0.70%
C000014191 | Health Care Distributors  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000014191 | Health Care Supplies  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000014191 | Managed Health Care  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000014191 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000014191 | Health Care Equipment  
Holdings [Line Items]  
Percent of Total Investments 15.90%
C000014191 | Biotechnology  
Holdings [Line Items]  
Percent of Total Investments 20.00%
C000014191 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 48.80%
C000014193 | FR_532457108  
Holdings [Line Items]  
Percent of Total Investments 11.30%
C000014193 | FR_00287Y109  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000014193 | FR_098952906  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000014193 | FR_478160104  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000014193 | FR_711038901  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000014193 | FR_58933Y105  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000014193 | FR_110122108  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000014193 | FR_91324P102  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000014193 | FR_92532F100  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000014193 | FR_375558103  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000014193 | Gilead Sciences, Inc.  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000014193 | Short-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 0.00% [2]
C000014193 | Health Care Technology  
Holdings [Line Items]  
Percent of Total Investments 0.60%
C000014193 | Health Care Services  
Holdings [Line Items]  
Percent of Total Investments 0.70%
C000014193 | Health Care Distributors  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000014193 | Health Care Supplies  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000014193 | Managed Health Care  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000014193 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000014193 | Health Care Equipment  
Holdings [Line Items]  
Percent of Total Investments 15.90%
C000014193 | Biotechnology  
Holdings [Line Items]  
Percent of Total Investments 20.00%
C000014193 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 48.80%
C000081646 | FR_532457108  
Holdings [Line Items]  
Percent of Total Investments 11.30%
C000081646 | FR_00287Y109  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000081646 | FR_098952906  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000081646 | FR_478160104  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000081646 | FR_711038901  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000081646 | FR_58933Y105  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000081646 | FR_110122108  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000081646 | FR_91324P102  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000081646 | FR_92532F100  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000081646 | FR_375558103  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000081646 | Gilead Sciences, Inc.  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000081646 | Short-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 0.00% [3]
C000081646 | Health Care Technology  
Holdings [Line Items]  
Percent of Total Investments 0.60%
C000081646 | Health Care Services  
Holdings [Line Items]  
Percent of Total Investments 0.70%
C000081646 | Health Care Distributors  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000081646 | Health Care Supplies  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000081646 | Managed Health Care  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000081646 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000081646 | Health Care Equipment  
Holdings [Line Items]  
Percent of Total Investments 15.90%
C000081646 | Biotechnology  
Holdings [Line Items]  
Percent of Total Investments 20.00%
C000081646 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 48.80%
C000014194 | FR_532457108  
Holdings [Line Items]  
Percent of Total Investments 11.30%
C000014194 | FR_00287Y109  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000014194 | FR_098952906  
Holdings [Line Items]  
Percent of Total Investments 6.50%
C000014194 | FR_478160104  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000014194 | FR_711038901  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000014194 | FR_58933Y105  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000014194 | FR_110122108  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000014194 | FR_91324P102  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000014194 | FR_92532F100  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000014194 | FR_375558103  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000014194 | Gilead Sciences, Inc.  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000014194 | Short-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 0.00% [4]
C000014194 | Health Care Technology  
Holdings [Line Items]  
Percent of Total Investments 0.60%
C000014194 | Health Care Services  
Holdings [Line Items]  
Percent of Total Investments 0.70%
C000014194 | Health Care Distributors  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000014194 | Health Care Supplies  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000014194 | Managed Health Care  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000014194 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000014194 | Health Care Equipment  
Holdings [Line Items]  
Percent of Total Investments 15.90%
C000014194 | Biotechnology  
Holdings [Line Items]  
Percent of Total Investments 20.00%
C000014194 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 48.80%
[1] Amount is less than 0.05%
[2] Amount is less than 0.05%
[3] Amount is less than 0.05%
[4] Amount is less than 0.05%