Expense Example, No Redemption - BLACKROCK ENERGY OPPORTUNITIES FUND - Investor C Shares |
May 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 204 |
| Expense Example, No Redemption, 3 Years | 630 |
| Expense Example, No Redemption, 5 Years | 1,083 |
| Expense Example, No Redemption, 10 Years | $ 2,157 |