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Voya Multi-Manager Mid Cap Value Fund Average Annual Total Returns
 12 Months Ended 33 Months Ended 60 Months Ended 120 Months Ended
May 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Russell 3000® Index[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent [1]   17.15% 22.83%    
Russell Midcap® Value Index[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent [1]   11.05% 14.81%    
Class I Shares [Member] | Russell 3000® Index[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent [2]   17.15%   13.15% 14.29%
Class I Shares [Member] | Russell Midcap® Value Index[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent [2]   11.05%   9.83% 9.78%
Class I Shares [Member] | Class I          
Prospectus [Line Items]          
Average Annual Return, Percent   4.14%   7.69% 7.86%
Performance Inception Date Oct. 03, 2011        
Class I Shares [Member] | Class I | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   2.07%   5.34% 5.66%
Class I Shares [Member] | Class I | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   3.96%   5.69% 5.87%
[1] The index returns do not reflect deductions for fees, expenses, or taxes.
[2] The index returns do not reflect deductions for fees, expenses, or taxes.