v3.26.1
Investor A C And Institutional [Member] Expense Example, No Redemption - Investor A, C and Institutional - BlackRock Advantage Emerging Markets Fund - Investor C Shares
Apr. 30, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 195
Expense Example, No Redemption, 3 Years 852
Expense Example, No Redemption, 5 Years 1,535
Expense Example, No Redemption, 10 Years $ 3,187