Investor A Institutional and Class R [Member] Expense Example - Investor A, Institutional and Class R - BlackRock Sustainable Emerging Markets Equity Fund |
Apr. 30, 2025
USD ($)
|
|---|---|
| Investor A Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 633 |
| Expense Example, with Redemption, 3 Years | 913 |
| Expense Example, with Redemption, 5 Years | 1,213 |
| Expense Example, with Redemption, 10 Years | 2,064 |
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 89 |
| Expense Example, with Redemption, 3 Years | 331 |
| Expense Example, with Redemption, 5 Years | 593 |
| Expense Example, with Redemption, 10 Years | 1,341 |
| Class R Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 139 |
| Expense Example, with Redemption, 3 Years | 520 |
| Expense Example, with Redemption, 5 Years | 926 |
| Expense Example, with Redemption, 10 Years | $ 2,061 |