v3.25.2
Investor A C Institutional and Class R [Member] Expense Example - Investor A, C, Institutional and Class R - BlackRock Technology Opportunities Fund
May 31, 2025
USD ($)
INSTITUTIONAL  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 94
Expense Example, with Redemption, 3 Years 295
Expense Example, with Redemption, 5 Years 514
Expense Example, with Redemption, 10 Years 1,142
INVESTOR A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 638
Expense Example, with Redemption, 3 Years 881
Expense Example, with Redemption, 5 Years 1,143
Expense Example, with Redemption, 10 Years 1,891
INVESTOR C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 295
Expense Example, with Redemption, 3 Years 603
Expense Example, with Redemption, 5 Years 1,037
Expense Example, with Redemption, 10 Years 2,054
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 145
Expense Example, with Redemption, 3 Years 473
Expense Example, with Redemption, 5 Years 824
Expense Example, with Redemption, 10 Years $ 1,814