Other [Member] Other Assets And Liabilities [Member] C000149406 [Member] Single Class Short-Term Investments [Member] UNITED STATES UNITED KINGDOM SWEDEN SINGAPORE JAPAN ISRAEL GERMANY FRANCE CANADA AUSTRALIA BRAZIL CHINA INDIA INDONESIA KOREA, REPUBLIC OF MALAYSIA MEXICO SAUDI ARABIA TAIWAN THAILAND C000149407 [Member] C000149409 [Member] Real Estate Sector [Member] Healthcare Sector [Member] Financial Services Sector [Member] Energy Sector [Member] C000149410 [Member] C000238811 [Member] C000246653 [Member] C000246654 [Member] Investment Type [Axis] Net Assets Investment Company Portfolio Turnover No Trading Symbol Flag