Investor A Institutional [Member] Annual Fund Operating Expenses - Investor A, Institutional - BlackRock U.S. Insights Long/Short Equity Fund |
May 31, 2025 |
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Prospectus [Line Items] | ||||||||
Fee Waiver or Reimbursement over Assets, Date of Termination | June 30, 2027 | |||||||
Investor A | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 1.36% | [1] | ||||||
Distribution and Service (12b-1) Fees | 0.25% | |||||||
Other Expenses (as a percentage of Assets): | 2.59% | [2] | ||||||
Expenses (as a percentage of Assets) | 4.20% | |||||||
Fee Waiver or Reimbursement | (2.34%) | [1],[3] | ||||||
Net Expenses (as a percentage of Assets) | 1.86% | [1],[3] | ||||||
Institutional | ||||||||
Prospectus [Line Items] | ||||||||
Management Fees (as a percentage of Assets) | 1.36% | [1] | ||||||
Distribution and Service (12b-1) Fees | 0.00% | |||||||
Other Expenses (as a percentage of Assets): | 2.70% | [2] | ||||||
Expenses (as a percentage of Assets) | 4.06% | |||||||
Fee Waiver or Reimbursement | (2.45%) | [1],[3] | ||||||
Net Expenses (as a percentage of Assets) | 1.61% | [1],[3] | ||||||
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