Investor A Institutional [Member] Expense Example - Investor A, Institutional - BlackRock Defensive Advantage Emerging Markets Fund |
Apr. 30, 2026
USD ($)
|
|---|---|
| Investor A Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 632 |
| Expense Example, with Redemption, 3 Years | 1,523 |
| Expense Example, with Redemption, 5 Years | 2,422 |
| Expense Example, with Redemption, 10 Years | 4,710 |
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 87 |
| Expense Example, with Redemption, 3 Years | 953 |
| Expense Example, with Redemption, 5 Years | 1,834 |
| Expense Example, with Redemption, 10 Years | $ 4,105 |