v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000130213 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.60%
C000130213 [Member] | Standard & Poor's, CCC Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000130213 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000130213 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000130213 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000130213 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.70%
C000130213 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.60%
C000130213 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.80%
C000007161 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.60%
C000007161 [Member] | Standard & Poor's, CCC Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000007161 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000007161 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000007161 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000007161 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.70%
C000007161 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.60%
C000007161 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.80%
C000007163 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.60%
C000007163 [Member] | Standard & Poor's, CCC Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000007163 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000007163 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000007163 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000007163 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.70%
C000007163 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.60%
C000007163 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.80%
C000007162 [Member] | NR [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.60%
C000007162 [Member] | Standard & Poor's, CCC Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000007162 [Member] | Standard & Poor's, B Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000007162 [Member] | Standard & Poor's, BB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000007162 [Member] | Standard & Poor's, BBB Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000007162 [Member] | Standard & Poor's, A Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.70%
C000007162 [Member] | Standard & Poor's, AA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 40.60%
C000007162 [Member] | Standard & Poor's, AAA Rating [Member]  
Holdings [Line Items]  
Percent of Total Investments 13.80%
C000007189 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 3.70%
Percent of Total Short Exposure 4.60%
C000007189 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 14.70%
Percent of Total Short Exposure 20.40%
C000007189 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 8.80%
Percent of Total Short Exposure 10.10%
C000007189 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 1.80%
Percent of Total Short Exposure 2.60%
C000007189 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 3.70%
Percent of Total Short Exposure 3.10%
C000007189 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 9.20%
Percent of Total Short Exposure 8.60%
C000007189 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 2.10%
Percent of Total Short Exposure 8.20%
C000007189 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 10.90%
Percent of Total Short Exposure 15.60%
C000007189 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 14.50%
Percent of Total Short Exposure 16.70%
C000007189 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 1.30%
C000007189 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 7.30%
Percent of Total Short Exposure 8.80%
C000007189 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 22.40%
C000081099 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 3.70%
Percent of Total Short Exposure 4.60%
C000081099 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 14.70%
Percent of Total Short Exposure 20.40%
C000081099 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 8.80%
Percent of Total Short Exposure 10.10%
C000081099 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 1.80%
Percent of Total Short Exposure 2.60%
C000081099 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 3.70%
Percent of Total Short Exposure 3.10%
C000081099 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 9.20%
Percent of Total Short Exposure 8.60%
C000081099 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 2.10%
Percent of Total Short Exposure 8.20%
C000081099 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 10.90%
Percent of Total Short Exposure 15.60%
C000081099 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 14.50%
Percent of Total Short Exposure 16.70%
C000081099 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 1.30%
C000081099 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 7.30%
Percent of Total Short Exposure 8.80%
C000081099 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 22.40%
C000081100 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 3.70%
Percent of Total Short Exposure 4.60%
C000081100 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 14.70%
Percent of Total Short Exposure 20.40%
C000081100 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 8.80%
Percent of Total Short Exposure 10.10%
C000081100 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 1.80%
Percent of Total Short Exposure 2.60%
C000081100 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 3.70%
Percent of Total Short Exposure 3.10%
C000081100 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 9.20%
Percent of Total Short Exposure 8.60%
C000081100 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 2.10%
Percent of Total Short Exposure 8.20%
C000081100 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 10.90%
Percent of Total Short Exposure 15.60%
C000081100 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 14.50%
Percent of Total Short Exposure 16.70%
C000081100 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 1.30%
C000081100 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 7.30%
Percent of Total Short Exposure 8.80%
C000081100 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Long Exposure 22.40%
C000134566 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000134566 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000134566 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000134566 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000134566 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000134566 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000134566 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000173218 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000173218 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000173218 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000173218 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000173218 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000173218 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000173218 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000190875 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000190875 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000190875 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000190875 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000190875 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000190875 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000190875 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000190874 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000190874 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000190874 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000190874 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000190874 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000190874 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000190874 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000190873 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000190873 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000190873 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000190873 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000190873 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000190873 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000190873 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000007192 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000007192 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000007192 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000007192 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000007192 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000007192 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000007192 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000007191 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000007191 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000007191 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000007191 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000007191 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000007191 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000007191 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000017326 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000017326 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000017326 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000017326 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000017326 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000017326 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000017326 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000007193 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 20.60%
C000007193 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000007193 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 17.50%
C000007193 [Member] | INDIA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000007193 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000007193 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000007193 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000007217 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.50%
C000007217 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000007217 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000007217 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000007217 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.60%
C000007217 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000007217 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000007217 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000007217 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000007217 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000007217 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000007217 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000007219 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.50%
C000007219 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000007219 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000007219 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000007219 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.60%
C000007219 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000007219 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000007219 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000007219 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000007219 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000007219 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000007219 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000007216 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.50%
C000007216 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000007216 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000007216 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000007216 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.60%
C000007216 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000007216 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000007216 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000007216 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000007216 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000007216 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000007216 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000070619 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.50%
C000070619 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000070619 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000070619 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000070619 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.60%
C000070619 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000070619 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000070619 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000070619 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000070619 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000070619 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000070619 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000033527 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.50%
C000033527 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000033527 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000033527 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000033527 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.60%
C000033527 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000033527 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000033527 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000033527 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000033527 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000033527 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000033527 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000093772 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.50%
C000093772 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000093772 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000093772 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000093772 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.60%
C000093772 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 5.10%
C000093772 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000093772 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000093772 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000093772 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000093772 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000093772 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000093774 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000093774 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000093774 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000093774 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000093774 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000093774 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000093774 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000093774 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000093774 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000093774 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000093774 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000093774 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000093774 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000173219 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000173219 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000173219 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000173219 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000173219 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000173219 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000173219 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000173219 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000173219 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000173219 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000173219 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000173219 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000173219 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000070620 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000070620 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000070620 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000070620 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000070620 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000070620 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000070620 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000070620 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000070620 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000070620 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000070620 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000070620 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000070620 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000007228 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000007228 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000007228 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007228 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000007228 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000007228 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000007228 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000007228 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000007228 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000007228 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000007228 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000007228 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000007228 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000007227 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000007227 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000007227 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007227 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000007227 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000007227 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000007227 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000007227 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000007227 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000007227 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000007227 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000007227 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000007227 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000034831 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000034831 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000034831 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000034831 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000034831 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000034831 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000034831 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000034831 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000034831 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000034831 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000034831 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000034831 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000034831 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000007229 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000007229 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000007229 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007229 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000007229 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 4.60%
C000007229 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 21.00%
C000007229 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 3.80%
C000007229 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000007229 [Member] | SWEDEN  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000007229 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.20%
C000007229 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 8.90%
C000007229 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000007229 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000007295 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000007295 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000007295 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 13.00%
C000007295 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000007295 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 14.10%
C000007295 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000007295 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 17.60%
C000007295 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 5.60%
C000007295 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007295 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000007297 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000007297 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000007297 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 13.00%
C000007297 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000007297 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 14.10%
C000007297 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000007297 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 17.60%
C000007297 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 5.60%
C000007297 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007297 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000007293 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000007293 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000007293 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 13.00%
C000007293 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000007293 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 14.10%
C000007293 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000007293 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 17.60%
C000007293 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 5.60%
C000007293 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007293 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000007294 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000007294 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000007294 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 13.00%
C000007294 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000007294 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 14.10%
C000007294 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000007294 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 17.60%
C000007294 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 5.60%
C000007294 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000007294 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000205200 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.50%
C000205200 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 14.90%
C000205200 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 13.00%
C000205200 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000205200 [Member] | NETHERLANDS  
Holdings [Line Items]  
Percent of Total Investments 14.10%
C000205200 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000205200 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 17.60%
C000205200 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 5.60%
C000205200 [Member] | SWITZERLAND  
Holdings [Line Items]  
Percent of Total Investments 8.10%
C000205200 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000195048 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000195048 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000195048 [Member] | Equity Linked Notes [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000195048 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000195048 [Member] | Loan Participations and Assignments [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000195048 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000195048 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.80%
C000195048 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.60%
C000195048 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.90%
C000195048 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000042873 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000042873 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000042873 [Member] | Equity Linked Notes [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000042873 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000042873 [Member] | Loan Participations and Assignments [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000042873 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000042873 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.80%
C000042873 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.60%
C000042873 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.90%
C000042873 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000042872 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000042872 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000042872 [Member] | Equity Linked Notes [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000042872 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000042872 [Member] | Loan Participations and Assignments [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000042872 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000042872 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.80%
C000042872 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.60%
C000042872 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.90%
C000042872 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000042871 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000042871 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000042871 [Member] | Equity Linked Notes [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000042871 [Member] | Commercial Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 4.40%
C000042871 [Member] | Loan Participations and Assignments [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000042871 [Member] | Collateralized Mortgage Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000042871 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 30.80%
C000042871 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.60%
C000042871 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 32.90%
C000042871 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000097802 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000097802 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000097802 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000097802 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097802 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000097802 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000097802 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097802 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000097803 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000097803 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000097803 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000097803 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097803 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000097803 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000097803 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097803 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000097804 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000097804 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000097804 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000097804 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097804 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000097804 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000097804 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097804 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000097805 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000097805 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000097805 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000097805 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097805 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000097805 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000097805 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000097805 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000205205 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000205205 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000205205 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000205205 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000205205 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000205205 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000205205 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000205205 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000205204 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000205204 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000205204 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000205204 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000205204 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000205204 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000205204 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000205204 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000205203 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000205203 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000205203 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000205203 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000205203 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000205203 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000205203 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000205203 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000195049 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000195049 [Member] | Foreign Government Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 12.00%
C000195049 [Member] | Corporate Bond Securities [Member]  
Holdings [Line Items]  
Percent of Total Investments 17.00%
C000195049 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000195049 [Member] | Common Stock [Member]  
Holdings [Line Items]  
Percent of Total Investments 51.00%
C000195049 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000195049 [Member] | U S Treasury Obligations [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000195049 [Member] | Others each less than 1 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000106404 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.10%
C000106404 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000106404 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000106404 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000106404 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000106404 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000106404 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000106404 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000106404 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000106404 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000106404 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000106404 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000106403 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.10%
C000106403 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000106403 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000106403 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000106403 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000106403 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000106403 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000106403 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000106403 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000106403 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000106403 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000106403 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000106402 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.10%
C000106402 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000106402 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000106402 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000106402 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000106402 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000106402 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000106402 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000106402 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000106402 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000106402 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000106402 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000106401 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.10%
C000106401 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000106401 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000106401 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000106401 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000106401 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000106401 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000106401 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000106401 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000106401 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000106401 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000106401 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000106400 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.10%
C000106400 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000106400 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000106400 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000106400 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000106400 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000106400 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000106400 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000106400 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000106400 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000106400 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000106400 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000106399 [Member] | Others each less than 3 0 [Member]  
Holdings [Line Items]  
Percent of Total Investments 23.10%
C000106399 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000106399 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000106399 [Member] | CHINA  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000106399 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000106399 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000106399 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 8.50%
C000106399 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 13.10%
C000106399 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 7.00%
C000106399 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 7.60%
C000106399 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 4.30%
C000106399 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Total Investments 1.70%