Services [Member] Annual Fund Operating Expenses - Services [Member] - BlackRock Technology Opportunities Fund |
May 31, 2025 |
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| Prospectus [Line Items] | ||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | June 30, 2027 | |||||
| Services | ||||||
| Prospectus [Line Items] | ||||||
| Management Fees (as a percentage of Assets) | 0.76% | [1] | ||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||
| Expenses (as a percentage of Assets) | 1.21% | |||||
| Fee Waiver or Reimbursement | (0.04%) | [1],[2] | ||||
| Net Expenses (as a percentage of Assets) | 1.17% | [1],[2] | ||||
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