v3.25.2
Investor A C Institutional and Class R [Member] Expense Example - Investor A, C, Institutional and Class R - BlackRock International Fund
May 31, 2025
USD ($)
Investor A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 614
Expense Example, with Redemption, 3 Years 827
Expense Example, with Redemption, 5 Years 1,058
Expense Example, with Redemption, 10 Years 1,719
Investor C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 270
Expense Example, with Redemption, 3 Years 562
Expense Example, with Redemption, 5 Years 980
Expense Example, with Redemption, 10 Years 1,935
Institutional Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 68
Expense Example, with Redemption, 3 Years 236
Expense Example, with Redemption, 5 Years 418
Expense Example, with Redemption, 10 Years 945
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 119
Expense Example, with Redemption, 3 Years 412
Expense Example, with Redemption, 5 Years 727
Expense Example, with Redemption, 10 Years $ 1,619