v3.26.1
Voya Strategic Income Opportunities 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   4.28% 2.42% 3.30%
Performance Inception Date Nov. 02, 2012      
Class A | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   2.29% 0.66% 1.60%
Class A | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   2.50% 1.06% 1.77%
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 | ICE BofA U.S. Dollar 3-Month Deposit Offered Rate Constant Maturity Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.42% 3.26% 2.38%
Class A | Bloomberg U.S. Universal Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.58% 0.06% 2.44%
Class C        
Prospectus [Line Items]        
Average Annual Return, Percent   5.23% 2.17% 2.94%
Performance Inception Date Nov. 02, 2012      
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 | ICE BofA U.S. Dollar 3-Month Deposit Offered Rate Constant Maturity Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.42% 3.26% 2.38%
Class C | Bloomberg U.S. Universal Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.58% 0.06% 2.44%
Class I        
Prospectus [Line Items]        
Average Annual Return, Percent   7.25% 3.19% 3.86%
Performance Inception Date Nov. 02, 2012      
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 | ICE BofA U.S. Dollar 3-Month Deposit Offered Rate Constant Maturity Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.42% 3.26% 2.38%
Class I | Bloomberg U.S. Universal Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.58% 0.06% 2.44%
Class R        
Prospectus [Line Items]        
Average Annual Return, Percent   6.63% 2.67% 3.28%
Performance Inception Date Nov. 02, 2012      
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 | ICE BofA U.S. Dollar 3-Month Deposit Offered Rate Constant Maturity Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.42% 3.26% 2.38%
Class R | Bloomberg U.S. Universal Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.58% 0.06% 2.44%
Class R6        
Prospectus [Line Items]        
Average Annual Return, Percent   7.33% 3.26% 3.89%
Performance Inception Date Oct. 23, 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 | ICE BofA U.S. Dollar 3-Month Deposit Offered Rate Constant Maturity Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.42% 3.26% 2.38%
Class R6 | Bloomberg U.S. Universal Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.58% 0.06% 2.44%
Class W        
Prospectus [Line Items]        
Average Annual Return, Percent   7.26% 3.21% 3.83%
Performance Inception Date Nov. 02, 2012      
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 | ICE BofA U.S. Dollar 3-Month Deposit Offered Rate Constant Maturity Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   4.42% 3.26% 2.38%
Class W | Bloomberg U.S. Universal Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent [1]   7.58% 0.06% 2.44%
[1] The index returns do not reflect deductions for fees, expenses, or taxes.