Prospectus: Risk/Return: Document Type Document Period End Date Registrant Name Central Index Key Amendment Flag Amendment Description Trading Symbol Document Creation Date Document Effective Date Prospectus Date Document [Axis] Prospectus Performance Measure [Axis] Before Taxes (return after taxes on distributions and sale of Fund shares) After Taxes on Distributions and Sales After Taxes on Distributions (return after taxes on distributions) Series [Axis] Series S000024097 [Member] Nuveen Santa Barbara Global Growth Fund Nuveen Santa Barbara Global Growth Fund Member Share Class [Axis] Share Classes Class A,Nuveen Santa Barbara Global Growth Fund Member Class A C000070806 [Member] C000070807 [Member] Class C Class C,Nuveen Santa Barbara Global Growth Fund Member Class I,Nuveen Santa Barbara Global Growth Fund Member Class I C000070809 [Member] Class R3,Nuveen Santa Barbara Global Growth Fund Member C000070808 [Member] Class R3 Risk/Return [Heading] Objective [Heading] Objective, Primary [Text Block] Objective, Secondary [Text Block] Expense [Heading] Expense Narrative [Text Block] Shareholder Fees Caption [Text] Shareholder Fees [Table] Operating Expenses Caption [Text] Annual Fund Operating Expenses [Table] Expense Footnotes [Text Block] Expenses Range of Exchange Fees [Text Block] Expense Example [Heading] Expense Example by Year [Heading] Expense Example Narrative [Text Block] Expense Example by, Year, Caption [Text] Expense Example, With Redemption [Table] Expense Example, No Redemption Narrative [Text Block] Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption [Table] Expense Example Footnotes [Text Block] Expense Example Closing [Text Block] Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Strategy [Heading] Strategy Narrative [Text Block] Risk [Heading] Risk Narrative [Text Block] Risk Footnotes [Text Block] Risk Closing [Text Block] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Bar Chart Narrative [Text Block] Bar Chart [Heading] Bar Chart [Table] Bar Chart Footnotes [Text Block] Bar Chart Closing [Text Block] Performance Table Narrative Performance Table Heading Performance [Table] Market Index Performance [Table] Performance Table Footnotes Performance Table Closing [Text Block] Shareholder Fees: Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Maximum Deferred Sales Charge (Load) (as a percentage of the lesser of purchase price or redemption proceeds) Maximum Deferred Sales Charge (as a percentage) Maximum Sales Charge (Load) Imposed on Reinvested Dividends Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Exchange Fee Exchange Fee (as a percentage of Amount Redeemed) Annual Low Balance Account Fee (for accounts under $1,000) Maximum Account Fee Shareholder Fees Column [Text] Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum Deferred Sales Charge (Load) (as a percentage of the lesser of purchase price or redemption proceeds) Maximum Deferred Sales Charge (as a percentage of Offering Price) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee Redemption Fee Exchange Fee Maximum Account Fee (as a percentage of Assets) Shareholder Fee, Other Operating Expenses: Management Fees Management Fees (as a percentage of Assets) Distribution and/or Service (12b-1) Fees Distribution and Service (12b-1) Fees Other Expenses Other Expenses (as a percentage of Assets): Total Other Expenses Total Other Expenses Total Annual Fund Operating Expenses Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses Fee Waivers and/or Expense Reimbursements Fee Waiver or Reimbursement Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements Net Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements Operating Expenses Column [Text] Distribution or Similar (Non 12b-1) Fees Dividend Expense on Securities Sold Short Component1 Other Expenses Component2 Other Expenses Enhanced Custody Expense Remainder of Other Expenses Component3 Other Expenses Acquired Fund Fees and Expenses Expense Example: 1 Year Expense Example, with Redemption, 1 Year 1 Year 3 Years Expense Example, with Redemption, 3 Years 3 Years 5 Years Expense Example, with Redemption, 5 Years 5 Years 10 Years Expense Example, with Redemption, 10 Years 10 Years Expense Example, By Year, Column [Text] Column Expense Example, No Redemption: 1 Year Expense Example, No Redemption, 1 Year 3 Years Expense Example, No Redemption, 3 Years 5 Years Expense Example, No Redemption, 5 Years 10 Years Expense Example, No Redemption, 10 Years Column Expense Example, No Redemption, By Year, Column [Text] Bar Chart Table: 2010 Annual Return 2010 2011 Annual Return 2011 Annual Return Caption [Text] Caption Annual Return, Column [Text] Column Inception Date Annual Return, Inception Date 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 2002 Annual Return 2003 2003 2004 Annual Return 2004 Annual Return 2005 2005 Annual Return 2006 2006 Annual Return 2007 2007 2008 Annual Return 2008 Annual Return 2009 2009 Annual Return 2012 Annual Return 2013 Annual Return 2014 Annual Return 2015 Annual Return 2016 Annual Return 2017 Annual Return 2018 Annual Return 2019 Annual Return 2020 M S C I World Index [Member] MSCI World Index (reflects no deduction for fees, expenses or taxes). MSCI World Index (reflects no deduction for fees, expenses or taxes) Lipper Global Multi-Cap Growth Classification Average (reflects no deduction for taxes or certain expenses). Lipper Global Multi Cap Growth Classification Average [Member] Lipper Global Multi-Cap Growth Classification Average (reflects no deduction for taxes or certain expenses) Average Annual Return: 1 Year 1 Year Since Inception Since Inception Label 5 Years 5 Years 10 Years Inception Date Inception Date Risk/Return Detail [Table] Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover, Rate Expenses Deferred Charges [Text Block] Expense Breakpoint Discounts [Text] Expense Breakpoint, Minimum Investment Required [Amount] Expense Exchange Traded Fund Commissions [Text] Expenses Represent Both Master and Feeder [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Other Expenses, New Fund, Based on Estimates [Text]