Investor A C and Institutional [Member] Expense Example, No Redemption - Investor A C and Institutional [Member] - BlackRock Global Equity Market Neutral Fund - Investor C Shares |
Apr. 30, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 234 |
| Expense Example, No Redemption, 3 Years | 721 |
| Expense Example, No Redemption, 5 Years | 1,235 |
| Expense Example, No Redemption, 10 Years | $ 2,478 |