v3.26.3
Investor A C Institutional And Class R [Member] Expense Example, No Redemption - Investor A, C, Institutional and Class R - BlackRock International Fund - Investor C
May 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 168
Expense Example, No Redemption, 3 Years 569
Expense Example, No Redemption, 5 Years 995
Expense Example, No Redemption, 10 Years $ 1,970