INSTITUTIONALINVESTOR Aand INVESTORC [Member] Fees and Expenses - Investor A, C and Institutional - BLACKROCK WEALTH LIQUID ENVIRONMENTALLY AWARE FUND |
Mar. 31, 2025 |
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| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | Fees and Expenses of the Fund |
| Expense Narrative [Text Block] | This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to your financial professional or your selected securities dealer, broker, investment adviser, service provider or industry professional (including BlackRock Advisors, LLC (“BlackRock”) and its affiliates) (each, a “Financial Intermediary”), which are not reflected in the table and example below. More information about these fees and expenses is available from your financial professional or your selected securities dealer, broker, investment adviser, service provider or industry professional (including BlackRock and its affiliates) and in the “Details About the Share Classes” and the “Intermediary-Defined Sales Charge Waiver Policies” sections on pages 24 and A-1, respectively, of the Fund’s prospectus and in the “Purchase of Shares” section on page II-31 of Part II of the Fund’s Statement of Additional Information.
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| Shareholder Fees Caption [Optional Text] | Shareholder Fees (fees paid directly from your investment) |
| Operating Expenses Caption [Optional Text] | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment) |
| Expenses Deferred Charges [Text Block] | There is no contingent deferred sales charge (“CDSC”) on Investor A Shares purchased directly. However, a CDSC of up to 1.00% may apply to certain redemptions of the Fund’s Investor A Shares purchased in an exchange transaction for Investor A Shares of a fund advised by BlackRock or its affiliates where no initial sales charge was paid at the time of purchase of such fund (each, an “Investor A Load-Waived BlackRock Fund”) as part of an investment of $1,000,000 (lesser amounts may apply depending on the Investor A Load-Waived BlackRock Fund) or more. The Investor A Shares CDSC is only charged upon redemptions of Investor A Shares within 18 months after you originally acquired such Investor A Shares of the Investor A Load-Waived BlackRock Fund (a shorter holding period may apply depending on the Investor A Load-Waived BlackRock Fund), unless you qualify for a waiver. There is no CDSC charged on redemptions if you have owned your Investor A Shares for more than 18 months (or for a shorter holding period as applicable) as measured from your original purchase of Investor A Shares that you exchanged into Investor A Shares of the Fund or if you purchase Investor A Shares of the Fund not through an exchange. |
| Expense Example [Heading] | Example: |
| Expense Example Narrative [Text Block] | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
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| Expense Example, No Redemption, By Year, Caption [Text] | You would pay the following expenses if you did not redeem your shares: |