v3.26.3
Class K [Member] Expense Example - Class K - BLACKROCK ADVANTAGE INTERNATIONAL FUND - Class K
May 31, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 46
Expense Example, with Redemption, 3 Years 155
Expense Example, with Redemption, 5 Years 275
Expense Example, with Redemption, 10 Years $ 623