v3.26.1
Voya GNMA Income Fund Average Annual Total Returns
 12 Months Ended 60 Months Ended 120 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Class A        
Prospectus [Line Items]        
Average Annual Return, Percent   4.63% (0.28%) 1.14%
Performance Inception Date Aug. 17, 1973      
Class A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   3.11% (1.39%) 0.12%
Class A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   2.72% (0.70%) 0.42%
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 GNMA Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   8.08% 0.23% 1.50%
Class C        
Prospectus [Line Items]        
Average Annual Return, Percent   5.58% (0.53%) 0.78%
Performance Inception Date Oct. 13, 2000      
Class C | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class C | Bloomberg GNMA Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   8.08% 0.23% 1.50%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent   7.68% 0.51% 1.69%
Performance Inception Date Jan. 07, 2002      
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 GNMA Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   8.08% 0.23% 1.50%
Class R6        
Prospectus [Line Items]        
Average Annual Return, Percent   7.87% 0.57% 1.72%
Performance Inception Date Jul. 31, 2020      
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 | Bloomberg GNMA Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   8.08% 0.23% 1.50%
Class W        
Prospectus [Line Items]        
Average Annual Return, Percent   7.76% 0.49% 1.66%
Performance Inception Date Dec. 17, 2007      
Class W | Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.30% (0.36%) 2.01%
Class W | Bloomberg GNMA Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   8.08% 0.23% 1.50%
[1] The index returns do not reflect deductions for fees, expenses, or taxes.