Voya MidCap Opportunities Fund Annual Fund Operating Expenses - Class A C I R R6 and W Shares [Member] - Voya MidCap Opportunities Fund |
May 31, 2026 |
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| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | <span style="font-family:Arial Narrow;font-size:8pt;">October 1, </span><span style="font-family:Arial Narrow;font-size:8pt;">2027</span> | |||||
| Class A | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.84% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.25% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.30% | [1] | ||||
| Fee Waiver or Reimbursement | (0.08%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 1.22% | [1] | ||||
| Class C | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.84% | [1] | ||||
| Distribution and Service (12b-1) Fees | 1.00% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||
| Expenses (as a percentage of Assets) | 2.05% | [1] | ||||
| Fee Waiver or Reimbursement | (0.08%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 1.97% | [1] | ||||
| Class I | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.84% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.00% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.26% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.10% | [1] | ||||
| Fee Waiver or Reimbursement | (0.21%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 0.89% | [1] | ||||
| Class R | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.84% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.50% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.55% | [1] | ||||
| Fee Waiver or Reimbursement | (0.08%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 1.47% | [1] | ||||
| Class R6 | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.84% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.00% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.05% | [1] | ||||
| Expenses (as a percentage of Assets) | 0.89% | [1] | ||||
| Fee Waiver or Reimbursement | (0.06%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 0.83% | [1] | ||||
| Class W | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.84% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.00% | [1] | ||||
| Other Expenses (as a percentage of Assets): | 0.21% | [1] | ||||
| Expenses (as a percentage of Assets) | 1.05% | [1] | ||||
| Fee Waiver or Reimbursement | (0.08%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 0.97% | [1] | ||||
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