v3.26.3
Voya Small Cap Growth Fund Expense Example - Class A C I R R6 and W Shares [Member] - Voya Small Cap Growth Fund
May 31, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 693
Expense Example, with Redemption, 3 Years 943
Expense Example, with Redemption, 5 Years 1,212
Expense Example, with Redemption, 10 Years 1,978
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 301
Expense Example, with Redemption, 3 Years 621
Expense Example, with Redemption, 5 Years 1,068
Expense Example, with Redemption, 10 Years 2,306
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 97
Expense Example, with Redemption, 3 Years 309
Expense Example, with Redemption, 5 Years 539
Expense Example, with Redemption, 10 Years 1,199
Class R  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 151
Expense Example, with Redemption, 3 Years 468
Expense Example, with Redemption, 5 Years 808
Expense Example, with Redemption, 10 Years 1,768
Class R6  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 271
Expense Example, with Redemption, 5 Years 471
Expense Example, with Redemption, 10 Years 1,049
Class W  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 100
Expense Example, with Redemption, 3 Years 312
Expense Example, with Redemption, 5 Years 542
Expense Example, with Redemption, 10 Years $ 1,201