Investor A C and Institutional [Member] Expense Example - Investor A, C and Institutional - BlackRock Global Equity Market Neutral Fund |
Apr. 30, 2025
USD ($)
|
|---|---|
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 136 |
| Expense Example, with Redemption, 3 Years | 441 |
| Expense Example, with Redemption, 5 Years | 769 |
| Expense Example, with Redemption, 10 Years | 1,695 |
| Investor A Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 678 |
| Expense Example, with Redemption, 3 Years | 1,022 |
| Expense Example, with Redemption, 5 Years | 1,390 |
| Expense Example, with Redemption, 10 Years | 2,419 |
| Investor C Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 337 |
| Expense Example, with Redemption, 3 Years | 737 |
| Expense Example, with Redemption, 5 Years | 1,263 |
| Expense Example, with Redemption, 10 Years | $ 2,537 |