v3.26.3
Class K [Member] Expense Example - Class K - BlackRock International Fund - Class K
May 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 61
Expense Example, with Redemption, 3 Years 203
Expense Example, with Redemption, 5 Years 357
Expense Example, with Redemption, 10 Years $ 806