v3.26.3
Voya Target In-Retirement Fund Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
May 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Class A        
Prospectus [Line Items]        
Average Annual Return, Percent   5.26% 2.26% 4.40%
Performance Inception Date Dec. 21, 2015      
Class A | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class A | MSCI ACWI[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   22.34% 11.19% 11.72%
Class A | S&P Target Date Retirement Income Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   11.66% 4.15% 5.32%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent   11.96% 3.83% 5.33%
Performance Inception Date Dec. 20, 2012      
Class I | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   10.36% 2.21% 3.82%
Class I | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   7.21% 2.33% 3.60%
Class I | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class I | MSCI ACWI[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   22.34% 11.19% 11.72%
Class I | S&P Target Date Retirement Income Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   11.66% 4.15% 5.32%
Class R        
Prospectus [Line Items]        
Average Annual Return, Percent   11.30% 3.20% 4.75%
Performance Inception Date Jun. 01, 2018      
Class R | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class R | MSCI ACWI[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   22.34% 11.19% 11.72%
Class R | S&P Target Date Retirement Income Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   11.66% 4.15% 5.32%
Class R6        
Prospectus [Line Items]        
Average Annual Return, Percent   11.88% 3.84% 5.36%
Performance Inception Date Dec. 21, 2015      
Class R6 | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class R6 | MSCI ACWI[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   22.34% 11.19% 11.72%
Class R6 | S&P Target Date Retirement Income Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   11.66% 4.15% 5.32%
[1] The index returns do not reflect deductions for fees, expenses, or taxes.
[2] The index returns include the reinvestment of dividends and distributions net of withholding taxes, but do not reflect fees, brokerage commissions, or other expenses.