v3.26.1
Voya Retirement Conservative Portfolio Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Class ADV        
Prospectus [Line Items]        
Average Annual Return, Percent   9.23% 2.49% 4.51%
Performance Inception Date Oct. 31, 2007      
Class ADV | MSCI ACWI[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   22.34% 11.19% 11.72%
Class ADV | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   7.30% (0.36%) 2.01%
Class ADV | S&P Target Risk Conservative Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   11.74% 3.60% 5.30%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent   9.53% 2.74% 4.73%
Performance Inception Date Oct. 31, 2007      
Class I | MSCI ACWI[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   22.34% 11.19% 11.72%
Class I | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [2]   7.30% (0.36%) 2.01%
Class I | S&P Target Risk Conservative Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   11.74% 3.60% 5.30%
[1] The index returns include the reinvestment of dividends and distributions net of withholding taxes, but do not reflect fees, brokerage commissions, or other expenses.
[2] The index returns do not reflect deductions for fees, expenses, or taxes.