Auto Market Index Member Average Annual Returns, Inception Date Secondary Average Annual Returns, Since Inception Secondary Average Annual Returns, 10 Years Secondary Average Annual Returns, 3 Years Average Annual Returns, Year to Date Additional Expense (outside of Total Expenses) Other Expenses Component4 Other Expenses Component5 Other Expenses Expense Example, By Year, No Expense Reimbursement, Column Column Expense Example, No Redemption, No Expense Reimbursement, 10 Years 10 Years 10 Years Expense Example, No Redemption, No Expense Reimbursement, 1 Year 1 Year 1 Year Expense Example, No Redemption, No Expense Reimbursement, 3 Years 3 Years 3 Years Expense Example, No Redemption, No Expense Reimbursement, 5 Years 5 Years 5 Years Expense Example, No Redemption, No Expense Reimbursement,By Year, Column Column Expense Example, With Redemption, No Expense Reimbursement, 10 Years 10 Years 10 Years Expense Example, With Redemption, No Expense Reimbursement, 1 Year 1 Year 1 Year Expense Example, With Redemption, No Expense Reimbursement, 3 Years 3 Years 3 Years Expense Example, With Redemption, No Expense Reimbursement, 5 Years 5 Years 5 Years Fee Waiver or Reimbursement and Recoupments Other Expenses Namespace URI Operating Expense Closing Additional Expense (1) Other Expenses Additional Expense (2) Other Expenses Purchase Fee (as a percentage of Amount Invested) Purchase Fee (as a percentage of Amount Invested) Purchase Fee Purchase Fee Recoupments Other Expenses Shareholder Fees, Other 2 Shareholder Fees And Operating Expenses Supplement Text Supplement Closing Amendment Description Amendment Flag Document Creation Date Prospectus Document Effective Date Document [Axis] Document Period End Date Document Type Entities [Table] Central Index Key Series Registrant Name Entity [Text Block] Series [Axis] Trading Symbol Acquired Fund Fees and Expenses, Based on Estimates Acquired Fund Fees and Expenses After Taxes on Distributions and Sales After Taxes on Distributions Annual Fund Operating Expenses [Table] Annual Return 1990 Annual Return 1991 Annual Return 1992 Annual Return 1993 Annual Return 1994 Annual Return 1995 Annual Return 1996 Annual Return 1997 Annual Return 1998 Annual Return 1999 Annual Return 2000 Annual Return 2001 Annual Return 2002 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 Annual Return 2008 Annual Return 2009 Annual Return 2010 Annual Return 2011 Annual Return 2012 Annual Return 2013 Annual Return 2014 Annual Return, Caption Caption Annual Return, Column Name Column Annual Return, Inception Date Inception Date Average Annual Return: DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAbstract DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesAbstract DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesInceptionDate DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesLabel DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesSinceInception DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesYear01 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesYear05 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesYear10 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsInceptionDate DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsLabel DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsSinceInception DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsYear01 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsYear05 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsYear10 Average Annual Returns, Caption Average Annual Returns, Column Name Average Annual Returns, Inception Date Average Annual Returns, Label Average Annual Returns, Since Inception Average Annual Returns, 1 Year Average Annual Returns, 5 Years Average Annual Returns, 10 Years Bar Chart and Performance Table, Heading Bar Chart and Performance Table Section: Bar Chart Closing: Bar Chart, Closing Bar Chart, Does Not Reflect Sales Loads Bar Chart, Footnotes Bar Chart, Heading Highest Quarterly Return, Date Highest Quarterly Return Lowest Quarterly Return, Date Lowest Quarterly Return Bar Chart Narrative: Bar Chart, Narrative Bar Chart, Reason Selected Class Different from Immediately Preceding Period Bar Chart, Returns for Class Not Offered in Prospectus Bar Chart Table: Bar Chart [Table] Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return Component1 Other Expenses Component2 Other Expenses Component3 Other Expenses Distribution and/or Service (12b-1) Fee Distribution or Similar (Non 12b-1) Fees Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee Expense Breakpoint, Discounts Expense Breakpoint, Minimum Investment Required Amount Expense Example: Expense Example, By Year, Caption Expense Example, By Year, Column Column Expense Example, By Year, Heading Expense Example Closing: Expense Example, Closing Expense Example, Footnotes Expense Example, Heading Expense Example Narrative: Expense Example, Narrative Expense Example, No Redemption: Expense Example, No Redemption, By Year, Caption Expense Example, No Redemption, By Year, Column Column Expense Example, No Redemption, Narrative Expense Example, No Redemption [Table] Expense Example, With Redemption, 2 Years 2 Years Expense Example, With Redemption, No Expense Reimbursement, 2 Years 2 Years Expense Example, With Redemption, No Expense Reimbursement, 4 Years 4 Years Expense Example, With Redemption, 4 Years 4 Years Expense Example, No Redemption, 2 Year 2 Year Expense Example, No Redemption, 4 Year 4 Year Expense Example, No Redemption, 1 Year 1 Year Expense Example, No Redemption, 3 Years 3 Years Expense Example, No Redemption, 5 Years 5 Years Expense Example, No Redemption, 10 Years 10 Years Expense Example, With Redemption [Table] Expense Example, With Redemption, 1 Year 1 Year Expense Example, With Redemption, 3 Years 3 Years Expense Example, With Redemption, 5 Years 5 Years Expense Example, With Redemption, 10 Years 10 Years Expense, Exchange Traded Fund, Commissions Expense Footnotes: Expense, Footnotes Expense, Heading Expense, Narrative Expenses: Expenses, Deferred Charges Expenses, Explanation of Nonrecurring Account Fee Expenses, Not Correlated to Ratio Due to Acquired Fund Fees Expenses, Other Expenses, Had Extraordinary Expenses Been Included Expenses (as a percentage of Assets): Total Annual Portfolio Operating Expenses Total Expenses Expenses, Range of Exchange Fees Expenses, Represent Both Master and Feeder Expenses, Restated to Reflect Current Fee Waiver or Reimbursement over Assets, Date of Termination Fee Waiver and/or Expense Reimbursement Fee Waiver or Reimbursement Form N-1A: Highest Quarterly Return, Label Label Index No Deduction for Fees, Expenses, Taxes Lowest Quarterly Return, Label Label Advisory Fee Market Index Performance [Table] Market Index Return: DEPRECATED Market Index Return, Inception Date DEPRECATED Market Index Return, Label DEPRECATED Market Index Return, Since inception DEPRECATED 1 Year DEPRECATED 5 Years DEPRECATED 10 Years Maximum Account Fee (as a percentage of Assets) Maximum Account Fee Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum Deferred Sales Charge (as a percentage of Offering Price) Maximum Deferred Sales Charge (as a percentage) Maximum sales charge (load) imposed on purchases (as a percentage of offering price) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Money Market, Seven Day Tax Equivalent Yield Money Market, Seven Day Yield, Caption Money Market, Seven Day Yield, Column Money Market, Seven Day Yield, Phone Number Money Market, Seven Day Yield Net Expenses (as a percentage of Assets): Total Annual Portfolio Operating Expenses After Fee Waiver and/or Expense Reimbursement Net Expenses Investment Objective, Heading investment Objective, Primary Investment Objective, Secondary Objective Section: Operating Expenses: Operating Expenses, Caption Operating Expenses, Column Name Other Expenses, New Fund, Based on Estimates Other Expenses over Assets: Other Expenses Other Expenses Performance, Additional Market Index Performance, Availability Phone Number Performance, Availability Website Address Performance, Information Illustrates Variability of Returns Performance Measure [Axis] Before Taxes Performance Narrative: Performance, Narrative Performance, One Year or Less Performance, Past Does Not Indicate Future Performance Table Closing: Performance Table, Closing Performance Table, Does Reflect Sales Loads Performance Table, Explanation after Tax Higher Performance Table, Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period Performance Table, Footnotes Performance Table, Heading Performance Table, Market Index Changed Performance Table, Narrative Performance Table, Not Relevant to Tax Deferred Performance Table, One Class of after Tax Shown Performance Table Section: Performance [Table] Performance Table, Uses Highest Federal Rate Portfolio Turnover: Portfolio Turnover, Heading Portfolio Turnover, Rate Portfolio Turnover Prospectus Date Prospectus [Line Items] Share Class [Axis] Prospectus: Redemption Fee (as a percentage of the amount redeemed on redemptions made within 30 days of purchase) Redemption Fee (as a percentage of the amount redeemed on redemptions made within 30 days of purchase) Redemption Fee Redemption Fee Risk, Caption Risk, Closing Risk, Column Name Risk, Footnotes Risk, Heading Risk, Lose Money Risk, Money Market Fund Risk, Narrative Risk, Nondiversified Status Risk, Not Insured Depository Institution Risk/Return: Risk/Return Detail [Table] Risk/Return, Heading Risk Section: Risk Share Classes Shareholder Fees, Other Shareholder Fees: Shareholder Fees, Caption Shareholder Fees, Column Name Shareholder Fees [Table] Investment Strategy, Heading Investment Strategy, Narrative Investment Strategy, Portfolio Concentration Strategy Section: Thirty Day Tax Equivalent Yield Thirty Day Yield, Caption Thirty Day Yield, Column Name Thirty Day Yield, Phone Number Thirty Day Yield Year to Date Return, Label ACTIVE INTERNATIONAL ALLOCATION PORTFOLIO S000002820Member ACTIVE INTERNATIONAL ALLOCATION PORTFOLIO ACTIVE INTERNATIONAL ALLOCATION PORTFOLIO (Prospectus Summary): P0001-S000002820Member ACTIVE INTERNATIONAL ALLOCATION PORTFOLIO (Prospectus Summary): Class I C000007736Member Class I Class P C000007737Member Class P Class H C000113798Member Class H Class L C000113799Member Class L U.S. REAL ESTATE PORTFOLIO S000002821Member U.S. REAL ESTATE PORTFOLIO U.S. REAL ESTATE PORTFOLIO (Prospectus Summary): P0001-S000002821Member U.S. REAL ESTATE PORTFOLIO (Prospectus Summary): Class I C000007738Member Class I Class P C000007739Member Class P Class H C000104300Member Class H Class L C000104301Member Class L INTERNATIONAL SMALL CAP PORTFOLIO S000002822Member INTERNATIONAL SMALL CAP PORTFOLIO INTERNATIONAL SMALL CAP PORTFOLIO (Prospectus Summary): P0001-S000002822Member INTERNATIONAL SMALL CAP PORTFOLIO (Prospectus Summary): Class I C000007740Member Class I Class P C000069997Member Class P Class L C000113800Member Class L Class H C000113801Member Class H SMALL COMPANY GROWTH PORTFOLIO S000002825Member SMALL COMPANY GROWTH PORTFOLIO SMALL COMPANY GROWTH PORTFOLIO (Prospectus Summary): P0001-S000002825Member SMALL COMPANY GROWTH PORTFOLIO (Prospectus Summary): Class I C000007744Member Class I Class P C000007745Member Class P Class H C000104302Member Class H Class L C000104303Member Class L EMERGING MARKETS PORTFOLIO S000002826Member EMERGING MARKETS PORTFOLIO EMERGING MARKETS PORTFOLIO (Prospectus Summary): P0001-S000002826Member EMERGING MARKETS PORTFOLIO (Prospectus Summary): Class I C000007746Member Class I Class P C000007747Member Class P Class H C000113802Member Class H Class L C000113803Member Class L EMERGING MARKETS DOMESTIC DEBT PORTFOLIO S000002827Member EMERGING MARKETS DOMESTIC DEBT PORTFOLIO EMERGING MARKETS DOMESTIC DEBT PORTFOLIO (Prospectus Summary): P0001-S000002827Member EMERGING MARKETS DOMESTIC DEBT PORTFOLIO (Prospectus Summary): Class I C000007748Member Class I Class P C000007749Member Class P Class H C000057355Member Class H Class L C000065129Member Class L GROWTH PORTFOLIO S000002828Member GROWTH PORTFOLIO GROWTH PORTFOLIO (Prospectus Summary): P0001-S000002828Member GROWTH PORTFOLIO (Prospectus Summary): Class I C000007750Member Class I Class P C000007751Member Class P Class H C000113804Member Class H Class L C000113805Member Class L GLOBAL FRANCHISE PORTFOLIO S000002830Member GLOBAL FRANCHISE PORTFOLIO GLOBAL FRANCHISE PORTFOLIO (Prospectus Summary): P0001-S000002830Member GLOBAL FRANCHISE PORTFOLIO (Prospectus Summary): Class I C000007754Member Class I Class P C000007755Member Class P Class H C000113808Member Class H Class L C000113809Member Class L INTERNATIONAL EQUITY PORTFOLIO S000002832Member INTERNATIONAL EQUITY PORTFOLIO INTERNATIONAL EQUITY PORTFOLIO (Prospectus Summary): P0001-S000002832Member INTERNATIONAL EQUITY PORTFOLIO (Prospectus Summary): Class I C000007758Member Class I Class P C000007759Member Class P Class H C000113810Member Class H Class L C000113811Member Class L INTERNATIONAL REAL ESTATE PORTFOLIO S000002835Member INTERNATIONAL REAL ESTATE PORTFOLIO INTERNATIONAL REAL ESTATE PORTFOLIO (Prospectus Summary): P0001-S000002835Member INTERNATIONAL REAL ESTATE PORTFOLIO (Prospectus Summary): Class I C000007763Member Class I Class P C000007764Member Class P Class H C000113812Member Class H Class L C000113813Member Class L Global Real Estate Portfolio S000012825Member Global Real Estate Portfolio Global Real Estate Portfolio (Prospectus Summary): P0001-S000012825Member Global Real Estate Portfolio (Prospectus Summary): Class I C000034677Member Class I Class P C000034678Member Class P Class H C000057356Member Class H Class L C000065130Member Class L International Opportunity Portfolio S000027992Member International Opportunity Portfolio International Opportunity Portfolio (Prospectus Summary): P0001-S000027992Member International Opportunity Portfolio (Prospectus Summary): Class H C000085086Member Class H Class I C000085087Member Class I Class L C000085088Member Class L Class P C000085089Member Class P Advantage Portfolio S000027993Member Advantage Portfolio Advantage Portfolio (Prospectus Summary): P0001-S000027993Member Advantage Portfolio (Prospectus Summary): Class H C000085090Member Class H Class I C000085091Member Class I Class L C000085092Member Class L Class P C000085093Member Class P Opportunity Portfolio S000027994Member Opportunity Portfolio Opportunity Portfolio (Prospectus Summary): P0001-S000027994Member Opportunity Portfolio (Prospectus Summary): Class H C000085094Member Class H Class I C000085095Member Class I Class L C000085096Member Class L Class P C000085097Member Class P Global Opportunity Portfolio S000027995Member Global Opportunity Portfolio Global Opportunity Portfolio (Prospectus Summary): P0001-S000027995Member Global Opportunity Portfolio (Prospectus Summary): Class I C000085098Member Class I Class L C000085099Member Class L Class P C000085100Member Class P Class H C000085101Member Class H Select Global Infrastructure Portfolio S000029874Member Select Global Infrastructure Portfolio Select Global Infrastructure Portfolio (Prospectus Summary): P0001-S000029874Member Select Global Infrastructure Portfolio (Prospectus Summary): Class H C000091815Member Class H Class I C000091816Member Class I Class L C000091817Member Class L Class P C000091818Member Class P Global Advantage Portfolio S000030616Member Global Advantage Portfolio Global Advantage Portfolio (Prospectus Summary): P0001-S000030616Member Global Advantage Portfolio (Prospectus Summary): Class H C000094890Member Class H Class I C000094891Member Class I Class L C000094892Member Class L Class P C000094893Member Class P Global Discovery Portfolio S000030617Member Global Discovery Portfolio Global Discovery Portfolio (Prospectus Summary): P0001-S000030617Member Global Discovery Portfolio (Prospectus Summary): Class H C000094894Member Class H Class I C000094895Member Class I Class L C000094896Member Class L Class P C000094897Member Class P International Advantage Portfolio S000030618Member International Advantage Portfolio International Advantage Portfolio (Prospectus Summary): P0001-S000030618Member International Advantage Portfolio (Prospectus Summary): Class I C000094898Member Class I Class L C000094899Member Class L Class P C000094900Member Class P Class H C000094901Member Class H Asian Equity Portfolio S000030707Member Asian Equity Portfolio Asian Equity Portfolio (Prospectus Summary): P0001-S000030707Member Asian Equity Portfolio (Prospectus Summary): Class H C000095148Member Class H Class I C000095149Member Class I Class L C000095150Member Class L Class P C000095151Member Class P Insight Portfolio S000035027Member Insight Portfolio Insight Portfolio (Prospectus Summary): P0001-S000035027Member Insight Portfolio (Prospectus Summary): Class I C000107706Member Class I Class H C000107707Member Class H Class L C000107708Member Class L Global Insight Portfolio S000035028Member Global Insight Portfolio Global Insight Portfolio (Prospectus Summary): P0001-S000035028Member Global Insight Portfolio (Prospectus Summary): Class I C000107709Member Class I Class H C000107710Member Class H Class L C000107711Member Class L