v3.26.3
Investor A C Institutional and Class R [Member] Expense Example - Investor A, C, Institutional and Class R - BLACKROCK ADVANTAGE INTERNATIONAL FUND
May 31, 2026
USD ($)
Institutional Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 51
Expense Example, with Redemption, 3 Years 184
Expense Example, with Redemption, 5 Years 329
Expense Example, with Redemption, 10 Years 752
Investor A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 598
Expense Example, with Redemption, 3 Years 781
Expense Example, with Redemption, 5 Years 979
Expense Example, with Redemption, 10 Years 1,551
Investor C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 253
Expense Example, with Redemption, 3 Years 520
Expense Example, with Redemption, 5 Years 913
Expense Example, with Redemption, 10 Years 1,791
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 102
Expense Example, with Redemption, 3 Years 368
Expense Example, with Redemption, 5 Years 654
Expense Example, with Redemption, 10 Years $ 1,468