v3.26.3
Investor A C Institutional And Class R [Member] Expense Example - Investor A, C, Institutional and Class R - BlackRock International Fund
May 31, 2026
USD ($)
Investor A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 612
Expense Example, with Redemption, 3 Years 831
Expense Example, with Redemption, 5 Years 1,069
Expense Example, with Redemption, 10 Years 1,748
Investor C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 268
Expense Example, with Redemption, 3 Years 569
Expense Example, with Redemption, 5 Years 995
Expense Example, with Redemption, 10 Years 1,970
Institutional  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 66
Expense Example, with Redemption, 3 Years 234
Expense Example, with Redemption, 5 Years 416
Expense Example, with Redemption, 10 Years 943
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 117
Expense Example, with Redemption, 3 Years 412
Expense Example, with Redemption, 5 Years 729
Expense Example, with Redemption, 10 Years $ 1,627