v3.25.2
Investor A, Institutional [Member] Expense Example - Investor A, Institutional [Member] - BlackRock Defensive Advantage Emerging Markets Fund
Apr. 30, 2025
USD ($)
Institutional Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 88
Expense Example, with Redemption, 3 Years 990
Expense Example, with Redemption, 5 Years 1,904
Expense Example, with Redemption, 10 Years 4,247
Investor A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 632
Expense Example, with Redemption, 3 Years 1,551
Expense Example, with Redemption, 5 Years 2,476
Expense Example, with Redemption, 10 Years $ 4,817