Investor A C and Institutional [Member] Expense Example - Investor A C and Institutional [Member] - BlackRock Global Equity Market Neutral Fund |
Apr. 30, 2026
USD ($)
|
|---|---|
| Institutional Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 136 |
| Expense Example, with Redemption, 3 Years | 429 |
| Expense Example, with Redemption, 5 Years | 743 |
| Expense Example, with Redemption, 10 Years | 1,633 |
| Investor A Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 678 |
| Expense Example, with Redemption, 3 Years | 1,010 |
| Expense Example, with Redemption, 5 Years | 1,365 |
| Expense Example, with Redemption, 10 Years | 2,363 |
| Investor C Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 334 |
| Expense Example, with Redemption, 3 Years | 721 |
| Expense Example, with Redemption, 5 Years | 1,235 |
| Expense Example, with Redemption, 10 Years | $ 2,478 |