v3.26.1
Investor A C And Institutional [Member] Expense Example - Investor A, C and Institutional - BLACKROCK TACTICAL OPPORTUNITIES FUND
Apr. 30, 2026
USD ($)
INSTITUTIONAL  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 74
Expense Example, with Redemption, 3 Years 230
Expense Example, with Redemption, 5 Years 401
Expense Example, with Redemption, 10 Years 894
INVESTOR A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 622
Expense Example, with Redemption, 3 Years 829
Expense Example, with Redemption, 5 Years 1,053
Expense Example, with Redemption, 10 Years 1,695
INVESTOR C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 275
Expense Example, with Redemption, 3 Years 542
Expense Example, with Redemption, 5 Years 933
Expense Example, with Redemption, 10 Years $ 1,842