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Shareholder Report, Holdings (Details)
Dec. 31, 2024
C000229902 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 53.20%
C000229902 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 50.80%
C000229902 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000229902 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (4.50%)
C000229903 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 53.20%
C000229903 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 50.80%
C000229903 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000229903 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (4.50%)
C000226491 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 51.50%
C000226491 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 51.40%
C000226491 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000226491 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.80%)
C000226492 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 51.50%
C000226492 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 51.40%
C000226492 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000226492 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.80%)
C000226493 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 53.20%
C000226493 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 50.80%
C000226493 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000226493 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (4.40%)
C000226494 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 53.20%
C000226494 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 50.80%
C000226494 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000226494 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (4.40%)
C000246877 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 53.30%
C000246877 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 49.40%
C000246877 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000246877 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.90%)
C000246876 | Options  
Holdings [Line Items]  
Percent of Net Asset Value 53.30%
C000246876 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 49.40%
C000246876 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000246876 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (3.90%)
C000205541 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 50.80%
C000205541 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000205541 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000205541 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000205541 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
C000205541 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000205542 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 50.80%
C000205542 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000205542 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000205542 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000205542 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
C000205542 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000205543 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 78.40%
C000205543 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000205543 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000205543 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000205543 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000205544 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 78.40%
C000205544 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000205544 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000205544 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000205544 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000043866 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 18.20%
C000043866 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000043866 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000043866 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000043866 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000043866 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
C000043866 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000043866 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000043866 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000043865 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 18.20%
C000043865 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000043865 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000043865 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000043865 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000043865 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.50%
C000043865 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000043865 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000043865 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000090442 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 40.20%
C000090442 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000090442 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000090442 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 36.20%
C000090442 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000090442 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000090441 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 40.20%
C000090441 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000090441 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000090441 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 36.20%
C000090441 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000090441 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000090446 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000090446 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000090446 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000090446 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 56.20%
C000090446 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000090446 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000090445 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000090445 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000090445 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000090445 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 56.20%
C000090445 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000090445 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000090444 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000090444 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000090444 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
C000090444 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 27.30%
C000090444 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000090444 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000090443 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000090443 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000090443 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
C000090443 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 27.30%
C000090443 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000090443 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000247618 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 62.30%
C000247618 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000247618 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (1.30%)
C000247618 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000247618 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000247618 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000247618 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000247618 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000247618 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247618 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000247618 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247620 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 62.30%
C000247620 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000247620 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (1.30%)
C000247620 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000247620 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000247620 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000247620 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000247620 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000247620 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247620 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000247620 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247619 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 62.30%
C000247619 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000247619 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (1.30%)
C000247619 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000247619 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000247619 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000247619 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000247619 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000247619 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247619 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000247619 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247623 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
C000247623 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247623 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000247623 | IndustryLife Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247623 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247623 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.10%
C000247623 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247623 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000247621 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
C000247621 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247621 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000247621 | IndustryLife Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247621 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247621 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.10%
C000247621 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247621 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000247622 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 19.40%
C000247622 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247622 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000247622 | IndustryLife Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247622 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247622 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.10%
C000247622 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247622 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000247626 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000247626 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000247626 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000247626 | IndustryMachinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000247626 | IndustryConsumer Staples Distribution & Retail  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000247626 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.30%
C000247626 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247626 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000247628 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000247628 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000247628 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000247628 | IndustryMachinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000247628 | IndustryConsumer Staples Distribution & Retail  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000247628 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.30%
C000247628 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247628 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000247627 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000247627 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000247627 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000247627 | IndustryMachinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000247627 | IndustryConsumer Staples Distribution & Retail  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000247627 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.30%
C000247627 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247627 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000247630 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 78.40%
C000247630 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000247630 | AA  
Holdings [Line Items]  
Percent of Total Investments 4.50%
C000247630 | A  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000247630 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000247630 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000247630 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000247630 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247630 | IndustryMachinery Construction & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247630 | IndustryElectric  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247630 | IndustryHealth Care Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000247630 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000247630 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247630 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247630 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000247630 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 53.70%
C000247630 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000247630 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000247630 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000247630 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000247630 | AssetMunicipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247630 | AssetAgency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000247632 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 78.40%
C000247632 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000247632 | AA  
Holdings [Line Items]  
Percent of Total Investments 4.50%
C000247632 | A  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000247632 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000247632 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000247632 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000247632 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247632 | IndustryMachinery Construction & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247632 | IndustryElectric  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247632 | IndustryHealth Care Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000247632 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000247632 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247632 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247632 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000247632 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 53.70%
C000247632 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000247632 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000247632 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000247632 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000247632 | AssetMunicipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247632 | AssetAgency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000247629 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 78.40%
C000247629 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.90%
C000247629 | AA  
Holdings [Line Items]  
Percent of Total Investments 4.50%
C000247629 | A  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000247629 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000247629 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 0.30%
C000247629 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000247629 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247629 | IndustryMachinery Construction & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247629 | IndustryElectric  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247629 | IndustryHealth Care Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000247629 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000247629 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000247629 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247629 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000247629 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 53.70%
C000247629 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000247629 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000247629 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000247629 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000247629 | AssetMunicipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247629 | AssetAgency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000247634 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000247634 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000247634 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000247634 | IndustryTextiles, Apparel & Luxury Goods  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000247634 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000247634 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.90%
C000247634 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000247634 | France  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000247634 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000247634 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000247634 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
C000247634 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000247634 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000247635 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000247635 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000247635 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000247635 | IndustryTextiles, Apparel & Luxury Goods  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000247635 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000247635 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.90%
C000247635 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000247635 | France  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000247635 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000247635 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000247635 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
C000247635 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000247635 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000247636 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000247636 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000247636 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000247636 | IndustryTextiles, Apparel & Luxury Goods  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000247636 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000247636 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 20.90%
C000247636 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 18.10%
C000247636 | France  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000247636 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000247636 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000247636 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
C000247636 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000247636 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000247638 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000247638 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000247638 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247638 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000247638 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000247638 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.80%
C000247638 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000247638 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000247640 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000247640 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000247640 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247640 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000247640 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000247640 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.80%
C000247640 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000247640 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000247637 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000247637 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000247637 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247637 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000247637 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000247637 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.80%
C000247637 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000247637 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000247643 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247643 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000247643 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000247643 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000247643 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000247643 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
C000247643 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247643 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000247643 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247641 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247641 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000247641 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000247641 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000247641 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000247641 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
C000247641 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247641 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000247641 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000247642 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000247642 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000247642 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000247642 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000247642 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000247642 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
C000247642 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247642 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000247642 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000131266 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000131266 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000131266 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000131266 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000131266 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000131266 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000131266 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000131266 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000131266 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000131265 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000131265 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000131265 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000131265 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000131265 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000131265 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000131265 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000131265 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000131265 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000247647 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.80%
C000247647 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247647 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000247647 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000247647 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000247647 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
C000247647 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000247647 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000247647 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247647 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000247645 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.80%
C000247645 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247645 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000247645 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000247645 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000247645 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
C000247645 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000247645 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000247645 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247645 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000247648 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.80%
C000247648 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000247648 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000247648 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000247648 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000247648 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.00%
C000247648 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000247648 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000247648 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247648 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000247652 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000247652 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000247652 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247652 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000247652 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247652 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.50%
C000247652 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247652 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247650 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000247650 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000247650 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247650 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000247650 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247650 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.50%
C000247650 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247650 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000247649 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000247649 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000247649 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000247649 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000247649 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000247649 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.50%
C000247649 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000247649 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000086779 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000086779 | International Equity FundLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 100.10%
C000086780 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000086780 | Global Equity FundLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 100.10%
C000086781 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000086781 | Equity FundLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 100.10%
C000086782 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000086782 | Equity FundLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 100.10%
C000086783 | Other  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000086783 | International Equity FundLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 100.10%
C000110363 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 33.50%
C000110363 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000110363 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000110363 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000110363 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 45.10%
C000110363 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000110363 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000110362 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 33.50%
C000110362 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000110362 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000110362 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000110362 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 45.10%
C000110362 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000110362 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000110365 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 45.00%
C000110365 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000110365 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000110365 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000110365 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
C000110365 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000110365 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000110364 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 45.00%
C000110364 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000110364 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000110364 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000110364 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 26.50%
C000110364 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000110364 | Asset Allocation FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000117545 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000117545 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000117545 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
C000117544 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000117544 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000117544 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
C000043353 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000043353 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000043353 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000043353 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 18.30%
C000043353 | IndustryIT Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000043353 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000043353 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000043353 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000043352 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000043352 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000043352 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000043352 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 18.30%
C000043352 | IndustryIT Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000043352 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000043352 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000043352 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000007727 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000007727 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000007727 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000007727 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000007727 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000007727 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
C000007727 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000007727 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000007727 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000007726 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000007726 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000007726 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000007726 | IndustryElectric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000007726 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000007726 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 92.70%
C000007726 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000007726 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000007726 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000211425 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
C000211425 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000211425 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000211425 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000211425 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000211425 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000211425 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000211425 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000211425 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000211425 | AssetLoan Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000211425 | AssetSovereign Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000211424 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 65.20%
C000211424 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000211424 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000211424 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000211424 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000211424 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000211424 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000211424 | AssetExchange-Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000211424 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000211424 | AssetLoan Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000211424 | AssetSovereign Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000124875 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000124875 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000124875 | Global Multi-Asset FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 96.90%
C000124874 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000124874 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000124874 | Global Multi-Asset FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 96.90%
C000167348 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000167348 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000167348 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167348 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000167348 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000167347 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000167347 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000167347 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167347 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000167347 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000087493 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 57.90%
C000087493 | AAA  
Holdings [Line Items]  
Percent of Total Investments 7.40%
C000087493 | AA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000087493 | A  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000087493 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000087493 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000087493 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000087493 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000087493 | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000087493 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 69.50%
C000087493 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000087493 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000087493 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (10.10%)
C000087493 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000087493 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000087493 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 58.90%
C000087493 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000087493 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000087493 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000087493 | AssetSovereign Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 39.10%
C000087493 | AssetSupranational Banks  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000087493 | AssetOptions  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000087492 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 57.90%
C000087492 | AAA  
Holdings [Line Items]  
Percent of Total Investments 7.40%
C000087492 | AA  
Holdings [Line Items]  
Percent of Total Investments 18.70%
C000087492 | A  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000087492 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000087492 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000087492 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000087492 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000087492 | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000087492 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 69.50%
C000087492 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000087492 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000087492 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (10.10%)
C000087492 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000087492 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000087492 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 58.90%
C000087492 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000087492 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000087492 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000087492 | AssetSovereign Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 39.10%
C000087492 | AssetSupranational Banks  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000087492 | AssetOptions  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000046810 | IndustrySpecialized REITs  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
C000046810 | IndustryRetail REITs  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000046810 | IndustryIndustrial REITs  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000046810 | IndustryReal Estate Management & Development  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000046810 | IndustryResidential REITs  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000046810 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000046810 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000046810 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.00%
C000046810 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000046810 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000046810 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000046810 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000046810 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000046809 | IndustrySpecialized REITs  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
C000046809 | IndustryRetail REITs  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000046809 | IndustryIndustrial REITs  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000046809 | IndustryReal Estate Management & Development  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000046809 | IndustryResidential REITs  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000046809 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000046809 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000046809 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 65.00%
C000046809 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000046809 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000046809 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000046809 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000046809 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000167352 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 67.70%
C000167352 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000167352 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000167352 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 29.00%
C000167351 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 67.70%
C000167351 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000167351 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000167351 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 29.00%
C000007723 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000007723 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
C000007723 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000007723 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000007723 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000007723 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 94.30%
C000007723 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000007723 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000007723 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000007722 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000007722 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
C000007722 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000007722 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000007722 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000007722 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 94.30%
C000007722 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000007722 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000007722 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000043860 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
C000043860 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000043860 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000043860 | IndustryProfessional Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000043860 | IndustryAerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000043860 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.20%
C000043860 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000043860 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000043860 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000043860 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000043860 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000043859 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 16.30%
C000043859 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000043859 | IndustryHotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000043859 | IndustryProfessional Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000043859 | IndustryAerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000043859 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.20%
C000043859 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000043859 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000043859 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000043859 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000043859 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000236984 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000236984 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
C000236984 | IndustryMachinery  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000236984 | IndustryElectronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000236984 | IndustryCommercial Services & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000236984 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
C000236984 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000236984 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000236983 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000236983 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
C000236983 | IndustryMachinery  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000236983 | IndustryElectronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000236983 | IndustryCommercial Services & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000236983 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.20%
C000236983 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000236983 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000131268 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000131268 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000131268 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000131268 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000131268 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000131268 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
C000131268 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000131268 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000131267 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000131267 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000131267 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000131267 | IndustryFinancial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000131267 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000131267 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 94.50%
C000131267 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000131267 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000153125 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000153125 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000153125 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000153125 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000153125 | IndustryMetals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000153125 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 23.10%
C000153125 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000153125 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000153125 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000153125 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000153125 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000153125 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153125 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000153125 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000153125 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000153125 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153125 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153124 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000153124 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000153124 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000153124 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000153124 | IndustryMetals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000153124 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 23.10%
C000153124 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000153124 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000153124 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000153124 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000153124 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000153124 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153124 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000153124 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000153124 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000153124 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153124 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000099225 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000099225 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000099225 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000099224 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000099224 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000099224 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000007733 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000007733 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000007733 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000007733 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000007733 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000007733 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000007733 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000007733 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000007733 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000007732 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000007732 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000007732 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000007732 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000007732 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000007732 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000007732 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000007732 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000007732 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153123 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000153123 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000153123 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000153123 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000153123 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000153123 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000153123 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000153123 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000153123 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000153122 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000153122 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000153122 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000153122 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000153122 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000153122 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000153122 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000153122 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000153122 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000099223 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000099223 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000099223 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000099222 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000099222 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000099222 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000124879 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000124879 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000124879 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000124878 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000124878 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000124878 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000043868 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000043868 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000043868 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000043868 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000043868 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000043868 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000043868 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000043868 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000043868 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000043868 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 60.40%
C000043868 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 92.90%
C000043868 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000043868 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000043868 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000043868 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000043868 | AssetLoan Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000043868 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000043867 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000043867 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000043867 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000043867 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000043867 | IndustryHealth Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000043867 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000043867 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000043867 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000043867 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000043867 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 60.40%
C000043867 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 92.90%
C000043867 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000043867 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000043867 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000043867 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000043867 | AssetLoan Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000043867 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000062038 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000062038 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000062038 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000062038 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000062038 | IndustryMetals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000062038 | China  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000062038 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000062038 | India  
Holdings [Line Items]  
Percent of Net Asset Value 18.30%
C000062038 | Republic of Korea  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000062038 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000062038 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
C000062038 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000062038 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.40%)
C000062038 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000062037 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000062037 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000062037 | IndustryBroadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000062037 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000062037 | IndustryMetals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000062037 | China  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000062037 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000062037 | India  
Holdings [Line Items]  
Percent of Net Asset Value 18.30%
C000062037 | Republic of Korea  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000062037 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000062037 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.70%
C000062037 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000062037 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value (0.40%)
C000062037 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000062035 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000062035 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000062035 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000062035 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000062035 | IndustryChemicals  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000062035 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000062035 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000062035 | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000062035 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000062035 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000062035 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.90%
C000062035 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000062035 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000062035 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000062036 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000062036 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000062036 | IndustryPharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000062036 | IndustryInsurance  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000062036 | IndustryChemicals  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000062036 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000062036 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000062036 | France  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000062036 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000062036 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000062036 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.90%
C000062036 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000062036 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000062036 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000062032 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000062032 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000062032 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000062032 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000062032 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000062032 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
C000062032 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000062032 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000062031 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000062031 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000062031 | IndustryInteractive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000062031 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000062031 | IndustryTechnology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000062031 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.60%
C000062031 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000062031 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000062034 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000062034 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000062034 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000062034 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000062034 | IndustryBiotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000062034 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
C000062034 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000062034 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000062034 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000062033 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000062033 | IndustryHealth Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000062033 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000062033 | IndustryElectrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000062033 | IndustryBiotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000062033 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.00%
C000062033 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000062033 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000062033 | AssetRights  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000007713 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
C000007713 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000007713 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000007713 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000007713 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 57.40%
C000007713 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000007712 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 30.40%
C000007712 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000007712 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000007712 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000007712 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 57.40%
C000007712 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000007717 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 44.70%
C000007717 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000007717 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000007717 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000007717 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 27.90%
C000007717 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000007716 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 44.70%
C000007716 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000007716 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000007716 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000007716 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 27.90%
C000007716 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000007715 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 39.90%
C000007715 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000007715 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000007715 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000007715 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 37.70%
C000007715 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000007714 | Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 39.90%
C000007714 | Money Market FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000007714 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000007714 | International Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000007714 | Fixed Income FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 37.70%
C000007714 | Global Equity FundsLong-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000007707 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000007707 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000007707 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 39.20%
C000007707 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000007707 | AssetRepurchase Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 44.40%
C000007706 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000007706 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000007706 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 39.20%
C000007706 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000007706 | AssetRepurchase Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 44.40%
C000131273 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000131273 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000131273 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000131273 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000131273 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000131273 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 81.00%
C000131273 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000131273 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000131273 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000131273 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000131273 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000131273 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131273 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131273 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000131274 | IndustrySemiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000131274 | IndustrySoftware  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000131274 | IndustryCapital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000131274 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000131274 | IndustryOil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000131274 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 81.00%
C000131274 | AssetConvertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000131274 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000131274 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000131274 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000131274 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000131274 | AssetAgency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131274 | AssetShort-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000131274 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000241300 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 56.30%
C000241300 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.10%
C000241300 | AA  
Holdings [Line Items]  
Percent of Total Investments 5.70%
C000241300 | A  
Holdings [Line Items]  
Percent of Total Investments 13.60%
C000241300 | BBB  
Holdings [Line Items]  
Percent of Total Investments 11.80%
C000241300 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 6.20%
C000241300 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.20%
C000241300 | B  
Holdings [Line Items]  
Percent of Total Investments 0.00%
C000241300 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000241300 | C  
Holdings [Line Items]  
Percent of Total Investments 0.00%
C000241300 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000241300 | IndustryElectric  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000241300 | IndustryDiversified Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000241300 | IndustryOil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000241300 | IndustryPipelines  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000241300 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000241300 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000241300 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000241300 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
C000241300 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 29.80%
C000241300 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000241300 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000241300 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000241300 | AssetAgency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000241300 | AssetSovereign Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000241300 | AssetAgency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000241301 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 56.30%
C000241301 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.10%
C000241301 | AA  
Holdings [Line Items]  
Percent of Total Investments 5.70%
C000241301 | A  
Holdings [Line Items]  
Percent of Total Investments 13.60%
C000241301 | BBB  
Holdings [Line Items]  
Percent of Total Investments 11.80%
C000241301 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 6.20%
C000241301 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.20%
C000241301 | B  
Holdings [Line Items]  
Percent of Total Investments 0.00%
C000241301 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.10%
C000241301 | C  
Holdings [Line Items]  
Percent of Total Investments 0.00%
C000241301 | IndustryBanks  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000241301 | IndustryElectric  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000241301 | IndustryDiversified Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000241301 | IndustryOil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000241301 | IndustryPipelines  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000241301 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000241301 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000241301 | AssetAgency Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000241301 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
C000241301 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 29.80%
C000241301 | AssetNon-Agency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000241301 | AssetNon-Agency Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000241301 | AssetNon-Agency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000241301 | AssetAgency Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000241301 | AssetSovereign Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000241301 | AssetAgency Commercial Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000087497 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000087497 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.70%
C000087497 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000087497 | BB  
Holdings [Line Items]  
Percent of Total Investments 55.00%
C000087497 | B  
Holdings [Line Items]  
Percent of Total Investments 22.50%
C000087497 | CCC  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000087497 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.20%
C000087497 | IndustryOil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000087497 | IndustryPipelines  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000087497 | IndustryMedia  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000087497 | IndustryCommercial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000087497 | IndustryTelecommunications  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000087497 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000087497 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000087497 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000087497 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 86.30%
C000087497 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000087497 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000087497 | AssetLoan Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000087497 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000087497 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000087497 | AssetMutual Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000087496 | U.S. Government  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000087496 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.70%
C000087496 | Not Rated  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000087496 | BB  
Holdings [Line Items]  
Percent of Total Investments 55.00%
C000087496 | B  
Holdings [Line Items]  
Percent of Total Investments 22.50%
C000087496 | CCC  
Holdings [Line Items]  
Percent of Total Investments 9.80%
C000087496 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.20%
C000087496 | IndustryOil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000087496 | IndustryPipelines  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000087496 | IndustryMedia  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000087496 | IndustryCommercial Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000087496 | IndustryTelecommunications  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000087496 | AssetCommon Stock  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000087496 | AssetMoney Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000087496 | Asset Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000087496 | AssetCorporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 86.30%
C000087496 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000087496 | AssetPreferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000087496 | AssetLoan Agreements  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000087496 | AssetWarrants  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000087496 | AssetConvertible Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000087496 | AssetMutual Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%