v3.26.3
Investor A C Institutional and Class R [Member] Expense Example - Investor A, C, Institutional and Class R - BlackRock Technology Opportunities Fund
May 31, 2026
USD ($)
INSTITUTIONAL  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 91
Expense Example, with Redemption, 3 Years 295
Expense Example, with Redemption, 5 Years 515
Expense Example, with Redemption, 10 Years 1,150
INVESTOR A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 635
Expense Example, with Redemption, 3 Years 878
Expense Example, with Redemption, 5 Years 1,140
Expense Example, with Redemption, 10 Years 1,888
INVESTOR C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 292
Expense Example, with Redemption, 3 Years 600
Expense Example, with Redemption, 5 Years 1,034
Expense Example, with Redemption, 10 Years 2,051
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 142
Expense Example, with Redemption, 3 Years 468
Expense Example, with Redemption, 5 Years 817
Expense Example, with Redemption, 10 Years $ 1,801