v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000057076 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000057076 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000057076 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000057076 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000057076 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000057076 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000057076 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000057076 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000057076 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000057076 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000057076 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000057076 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000057076 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000057076 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000057076 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000057076 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000057076 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000057076 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000057076 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000057076 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000057076 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000057076 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000057077 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000057077 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000057077 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000057077 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000057077 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000057077 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000057077 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000057077 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000057077 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000057077 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000057077 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000057077 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000057077 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000057077 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000057077 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000057077 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000057077 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000057077 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000057077 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000057077 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000057077 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000057077 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000201773 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000201773 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000201773 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000201773 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000201773 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000201773 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000201773 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000201773 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000201773 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000201773 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000201773 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000201773 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000201773 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000201773 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000201773 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000201773 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000201773 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000201773 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000201773 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000201773 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000201773 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000201773 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000066743 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000066743 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000066743 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000066743 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000066743 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000066743 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000066743 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000066743 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000066743 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000066743 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000066743 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000066743 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000066743 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000066743 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000066743 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000066743 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000066743 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000066743 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000066743 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000066743 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000066743 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000066743 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000161524 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000161524 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000161524 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000161524 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000161524 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000161524 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000161524 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000161524 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000161524 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000161524 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000161524 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000161524 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000161524 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000161524 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000161524 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000161524 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000161524 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000161524 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000161524 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000161524 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000161524 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000161524 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000057078 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000057078 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000057078 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000057078 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000057078 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000057078 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000057078 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000057078 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000057078 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000057078 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000057078 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000057078 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000057078 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000057078 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000057078 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000057078 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000057078 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000057078 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000057078 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000057078 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000057078 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000057078 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000066744 | Asset Report 4 ColumnInterest Rate  
Holdings [Line Items]  
Percent of Total Investments 2.40%
Percent of Total Long Exposure 0.10%
Percent of Total Short Exposure 2.30%
Percent of Net Long Exposure (2.20%)
C000066744 | Asset Report 4 ColumnCommodities  
Holdings [Line Items]  
Percent of Total Investments 3.90%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 2.00%
Percent of Net Long Exposure 0.10%
C000066744 | Asset Report 4 ColumnDeveloped Markets Equity Volatility  
Holdings [Line Items]  
Percent of Total Investments 8.40%
Percent of Total Long Exposure 2.00%
Percent of Total Short Exposure 6.40%
Percent of Net Long Exposure (4.50%)
C000066744 | Asset Report 4 ColumnConvertible Securities  
Holdings [Line Items]  
Percent of Total Investments 1.20%
Percent of Total Long Exposure 1.20%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.20%
C000066744 | Asset Report 4 ColumnInterest Rate Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.40%
Percent of Total Long Exposure 0.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.40%
C000066744 | Asset Report 4 ColumnFX Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000066744 | Asset Report 4 ColumnShort-Term Investments  
Holdings [Line Items]  
Percent of Total Investments 10.60%
Percent of Total Long Exposure 10.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 10.60%
C000066744 | Asset Report 4 ColumnDeveloped Markets ex US Equity  
Holdings [Line Items]  
Percent of Total Investments 16.70%
Percent of Total Long Exposure 13.40%
Percent of Total Short Exposure 3.30%
Percent of Net Long Exposure 10.10%
C000066744 | Asset Report 4 ColumnEmerging Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 5.10%
Percent of Total Long Exposure 2.60%
Percent of Total Short Exposure 2.60%
Percent of Net Long Exposure 0.00%
C000066744 | Asset Report 4 ColumnMLPs  
Holdings [Line Items]  
Percent of Total Investments 0.50%
Percent of Total Long Exposure 0.50%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.50%
C000066744 | Asset Report 4 ColumnDeveloped Markets Currency  
Holdings [Line Items]  
Percent of Total Investments 6.90%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 6.00%
Percent of Net Long Exposure (5.20%)
C000066744 | Asset Report 4 ColumnDeveloped Markets FI Volatility  
Holdings [Line Items]  
Percent of Total Investments 13.10%
Percent of Total Long Exposure 13.10%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 13.10%
C000066744 | Asset Report 4 ColumnShort-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 6.70%
Percent of Total Long Exposure 5.10%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure 3.50%
C000066744 | Asset Report 4 ColumnLong-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 3.80%
Percent of Total Long Exposure 0.90%
Percent of Total Short Exposure 2.90%
Percent of Net Long Exposure (2.10%)
C000066744 | Asset Report 4 ColumnCommodity Volatility  
Holdings [Line Items]  
Percent of Total Investments 0.30%
Percent of Total Long Exposure 0.30%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.30%
C000066744 | Asset Report 4 ColumnGlobal Real Estate  
Holdings [Line Items]  
Percent of Total Investments 0.60%
Percent of Total Long Exposure 0.60%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 0.60%
C000066744 | Asset Report 4 ColumnEmerging Markets Equity  
Holdings [Line Items]  
Percent of Total Investments 11.90%
Percent of Total Long Exposure 11.70%
Percent of Total Short Exposure 0.20%
Percent of Net Long Exposure 11.50%
C000066744 | Asset Report 4 ColumnUS Equity  
Holdings [Line Items]  
Percent of Total Investments 122.30%
Percent of Total Long Exposure 75.20%
Percent of Total Short Exposure 47.10%
Percent of Net Long Exposure 28.10%
C000066744 | Asset Report 4 ColumnCredit  
Holdings [Line Items]  
Percent of Total Investments 36.80%
Percent of Total Long Exposure 17.70%
Percent of Total Short Exposure 19.10%
Percent of Net Long Exposure (1.40%)
C000066744 | Asset Report 4 ColumnCash  
Holdings [Line Items]  
Percent of Total Investments 150.90%
Percent of Total Long Exposure 79.70%
Percent of Total Short Exposure 71.20%
Percent of Net Long Exposure 8.50%
C000066744 | Asset Report 4 ColumnPreferred  
Holdings [Line Items]  
Percent of Total Investments 1.40%
Percent of Total Long Exposure 1.40%
Percent of Total Short Exposure 0.00%
Percent of Net Long Exposure 1.40%
C000066744 | Asset Report 4 ColumnMedium-Term Fixed Income  
Holdings [Line Items]  
Percent of Total Investments 1.60%
Percent of Total Long Exposure 0.00%
Percent of Total Short Exposure 1.60%
Percent of Net Long Exposure (1.60%)
C000043358 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000043358 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000043358 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000043358 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000043358 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000043359 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000043359 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000043359 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000043359 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000043359 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000201770 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000201770 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000201770 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000201770 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000201770 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000058992 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000058992 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000058992 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000058992 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000058992 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000161523 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000161523 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000161523 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000161523 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000161523 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000043360 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000043360 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000043360 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000043360 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000043360 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000058993 | Asset Report 4 ColumnEnergy  
Holdings [Line Items]  
Percent of Total Investments 49.20%
Percent of Total Long Exposure 41.70%
Percent of Total Short Exposure (7.50%)
Percent of Net Long Exposure 34.20%
C000058993 | Asset Report 4 ColumnAgriculture  
Holdings [Line Items]  
Percent of Total Investments 31.00%
Percent of Total Long Exposure 29.70%
Percent of Total Short Exposure (1.30%)
Percent of Net Long Exposure 28.40%
C000058993 | Asset Report 4 ColumnPrecious Metals  
Holdings [Line Items]  
Percent of Total Investments 16.30%
Percent of Total Long Exposure 16.10%
Percent of Total Short Exposure (0.20%)
Percent of Net Long Exposure 16.00%
C000058993 | Asset Report 4 ColumnIndustrial Metals  
Holdings [Line Items]  
Percent of Total Investments 18.70%
Percent of Total Long Exposure 18.40%
Percent of Total Short Exposure (0.30%)
Percent of Net Long Exposure 18.10%
C000058993 | Asset Report 4 ColumnLivestock  
Holdings [Line Items]  
Percent of Total Investments 6.00%
Percent of Total Long Exposure 4.70%
Percent of Total Short Exposure (1.40%)
Percent of Net Long Exposure 3.30%
C000025591 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000025591 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000025591 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025593 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000025593 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000025593 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000201786 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000201786 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000201786 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000058975 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000058975 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000058975 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000161534 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000161534 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000161534 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025589 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000025589 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000025589 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000058976 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000058976 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000058976 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025590 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 55.20%
C000025590 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000025590 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000050447 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 26.30%
C000050447 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000050447 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000050447 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000050447 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000050447 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000050447 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000050447 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000050447 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000050447 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000050448 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 26.30%
C000050448 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000050448 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000050448 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000050448 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000050448 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000050448 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000050448 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000050448 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000050448 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000201772 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 26.30%
C000201772 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000201772 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000201772 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000201772 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000201772 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000201772 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000201772 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000201772 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000201772 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000200309 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 26.30%
C000200309 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000200309 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000200309 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000200309 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000200309 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000200309 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000200309 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000200309 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000200309 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000050446 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 26.30%
C000050446 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000050446 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000050446 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000050446 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000050446 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000050446 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000050446 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000050446 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000050446 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000091966 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 26.30%
C000091966 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000091966 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000091966 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000091966 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000091966 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000091966 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000091966 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000091966 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000091966 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000025508 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000025508 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000025508 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000025508 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000025508 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000025508 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000025508 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000025508 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000025508 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025508 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000025509 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000025509 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000025509 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000025509 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000025509 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000025509 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000025509 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000025509 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000025509 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025509 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000201766 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000201766 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000201766 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000201766 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000201766 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000201766 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000201766 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000201766 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000201766 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000201766 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000200306 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000200306 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000200306 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000200306 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000200306 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000200306 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000200306 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000200306 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000200306 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000200306 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000025507 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000025507 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000025507 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000025507 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000025507 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000025507 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000025507 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000025507 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000025507 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025507 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000091963 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000091963 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000091963 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000091963 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000091963 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000091963 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000091963 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000091963 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000091963 | Sector Other Line  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000091963 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000025449 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000025449 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000025449 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000025449 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000025449 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000025451 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000025451 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000025451 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000025451 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000025451 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000201783 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000201783 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000201783 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000201783 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000201783 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000058959 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000058959 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000058959 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000058959 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000058959 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000161531 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000161531 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000161531 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000161531 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000161531 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000025447 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000025447 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000025447 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000025447 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000025447 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000058960 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000058960 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000058960 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000058960 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000058960 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000025448 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000025448 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000025448 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000025448 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 41.00%
C000025448 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000025513 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000025513 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000025513 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000025513 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000025513 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000025515 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000025515 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000025515 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000025515 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000025515 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000201784 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000201784 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000201784 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000201784 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000201784 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000058961 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000058961 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000058961 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000058961 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000058961 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000161532 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000161532 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000161532 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000161532 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000161532 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000025511 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000025511 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000025511 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000025511 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000025511 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000058962 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000058962 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000058962 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000058962 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000058962 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000025512 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000025512 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 35.90%
C000025512 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000025512 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000025512 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000025579 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000025579 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000025579 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025579 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000025579 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000025581 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000025581 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000025581 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025581 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000025581 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000201785 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000201785 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000201785 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000201785 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000201785 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000058973 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000058973 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000058973 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000058973 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000058973 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000161533 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000161533 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000161533 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000161533 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000161533 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000025577 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000025577 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000025577 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025577 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000025577 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000058974 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000058974 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000058974 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000058974 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000058974 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000025578 | SectorEquity  
Holdings [Line Items]  
Percent of Net Asset Value 43.90%
C000025578 | SectorExchange Traded Funds  
Holdings [Line Items]  
Percent of Net Asset Value 43.60%
C000025578 | SectorInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000025578 | SectorFixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000025578 | SectorDynamic  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%