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INSTITUTIONALINVESTOR Aand INVESTORC [Member] Annual Fund Operating Expenses - Investor A, C and Institutional - BLACKROCK WEALTH LIQUID ENVIRONMENTALLY AWARE FUND
Mar. 31, 2025
Prospectus [Line Items]  
Fee Waiver or Reimbursement over Assets, Date of Termination June 30, 2027
INSTITUTIONAL  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.40%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.08%
Expenses (as a percentage of Assets) 0.48%
Fee Waiver or Reimbursement (0.28%) [1]
Net Expenses (as a percentage of Assets) 0.20%
INVESTOR A  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.40%
Distribution and Service (12b-1) Fees 0.25%
Other Expenses (as a percentage of Assets): 0.09%
Expenses (as a percentage of Assets) 0.74%
Fee Waiver or Reimbursement (0.19%) [1]
Net Expenses (as a percentage of Assets) 0.55%
INVESTOR C  
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.40%
Distribution and Service (12b-1) Fees 1.00%
Other Expenses (as a percentage of Assets): 0.18%
Expenses (as a percentage of Assets) 1.58%
Fee Waiver or Reimbursement (0.28%) [1]
Net Expenses (as a percentage of Assets) 1.30%
[1] As described in the “Management of the Fund” section of the Fund’s prospectus beginning on page 37, BlackRock has contractually agreed to waive and/or reimburse fees or expenses in order to limit Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements (excluding Dividend Expense, Interest Expense, Acquired Fund Fees and Expenses and certain other Fund expenses) to 0.55% (for Investor A Shares), 1.30% (for Investor C Shares) and 0.20% (for Institutional Shares) of average daily net assets through June 30, 2027. The contractual agreement may be terminated upon 90 days’ notice by a majority of the non-interested trustees of the Trust or by a vote of a majority of the outstanding voting securities of the Fund.