v3.26.1
Voya Inflation Protected Bond Plus 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 A        
Prospectus [Line Items]        
Average Annual Return, Percent   6.64% 0.35% 2.23%
Performance Inception Date Apr. 30, 2007      
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 | Bloomberg U.S. TIPS Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.01% 1.12% 3.09%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent   7.30% 0.97% 2.84%
Performance Inception Date Apr. 30, 2007      
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 | Bloomberg U.S. TIPS Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.01% 1.12% 3.09%
Class S        
Prospectus [Line Items]        
Average Annual Return, Percent   6.96% 0.71% 2.59%
Performance Inception Date Apr. 30, 2007      
Class S | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class S | Bloomberg U.S. TIPS Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.01% 1.12% 3.09%
[1] The index returns do not reflect deductions for fees, expenses, or taxes.