Prospectus: Risk/Return: Legal Entity Identifier 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 Class A B C I O P R And W Shares. Class A B C I O P R And W Shares [Member] Class A, B, C, I, O, P, R and W Shares Performance Measure [Axis] Before Taxes After Taxes on Distributions After tax on distributions After Taxes on Distributions and Sales After tax on distributions with sale Series [Axis] Series S000012534 [Member] Voya Global Bond Fund Voya Global Bond Fund Member Share Class [Axis] Share Classes C000034078 [Member] Class A Class A,Voya Global Bond Fund Member C000034079 [Member] Class B Class B,Voya Global Bond Fund Member C000034080 [Member] Class C Class C,Voya Global Bond Fund Member C000034081 [Member] Class I Class I,Voya Global Bond Fund Member C000067064 [Member] Class O Class O,Voya Global Bond Fund Member C000121438 [Member] Class P Class P,Voya Global Bond Fund Member C000105408 [Member] Class R Class R,Voya Global Bond Fund Member C000079030 [Member] Class W Class W,Voya Global Bond Fund Member 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 Heading Performance [Table] Performance Table Narrative Market Index Performance [Table] Performance Table Footnotes Performance Table Closing [Text Block] Shareholder Fees: Maximum sales charge (load) as a % of offering price Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Maximum deferred sales charge as a % of purchase or sales price, whichever is less Maximum Deferred Sales Charge (as a percentage) Shareholder Fees Column [Text] 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 Sales Charge on Reinvested Dividends and Distributions (as a percentage) Redemption Fee (as a percentage of Amount Redeemed) Redemption fee % Redemption Fee Redemption Fee Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee Maximum Account Fee (as a percentage of Assets) Maximum Account Fee Shareholder Fee, Other Net Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses after Waivers and Reimbursements Total Annual Fund Operating Expenses after Waivers and Reimbursements Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses Total Annual Fund Operating Expenses Management Fees (as a percentage of Assets) Management Fees Management Fee Distribution and Service (12b-1) Fees Distribution and/or Shareholder Services (12b-1) Fees Distribution and/or Shareholder Services (12b-1) Fee Distribution or Similar (Non 12b-1) Fees Other Expenses (as a percentage of Assets): Other Expenses Other Expenses Component1 Other Expenses Component2 Other Expenses Component3 Other Expenses Acquired Fund Fees and Expenses Acquired Fund Fees and Expenses Fee Waiver or Reimbursement Fee Waiver or Reimbursement Waivers and Reimbursements Waivers, Reimbursements and Recoupments Operating Expenses: Operating Expenses Column [Text] Expense Example: 1 Yr Expense Example, with Redemption, 1 Year 3 Yrs Expense Example, with Redemption, 3 Years 5 Yrs Expense Example, with Redemption, 5 Years 10 Yrs Expense Example, with Redemption, 10 Years Expense Example, By Year, Column [Text] Column Expense Example, No Redemption: 1 Yr Expense Example, No Redemption, 1 Year 3 Yrs Expense Example, No Redemption, 3 Years 5 Yrs Expense Example, No Redemption, 5 Years 10 Yrs Expense Example, No Redemption, 10 Years Expense Example, No Redemption, By Year, Column [Text] Column Bar Chart Table: Annual Return Caption [Text] Caption Annual Return, Column [Text] Column Annual Return, Inception Date 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 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 2007 Annual Return 2008 2008 Annual Return 2009 2009 Annual Return 2010 2010 Annual Return 2011 2011 Annual Return 2012 2012 Annual Return 2013 2013 Annual Return 2014 2014 Annual Return 2015 2015 Annual Return 2016 2016 Annual Return 2017 Annual Return 2018 Annual Return 2019 Annual Return 2020 B B G A Index. B B G A Index [Member] BBGA Index Average Annual Return: 1 Yr 1 Year 5 Yrs 5 Years 10 Yrs 10 Years Label Since Inception 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]