v3.26.1
Investor A C Institutional and Class R [Member] Expense Example - Investor A, C, Institutional and Class R - BlackRock Unconstrained Equity Fund
Apr. 30, 2026
USD ($)
Investor A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 640
Expense Example, with Redemption, 3 Years 885
Expense Example, with Redemption, 5 Years 1,149
Expense Example, with Redemption, 10 Years 1,902
Investor C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 298
Expense Example, with Redemption, 3 Years 637
Expense Example, with Redemption, 5 Years 1,103
Expense Example, with Redemption, 10 Years 2,167
Institutional Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 97
Expense Example, with Redemption, 3 Years 316
Expense Example, with Redemption, 5 Years 552
Expense Example, with Redemption, 10 Years 1,231
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 148
Expense Example, with Redemption, 3 Years 486
Expense Example, with Redemption, 5 Years 848
Expense Example, with Redemption, 10 Years $ 1,867