Expense Example - BLACKROCK ENERGY OPPORTUNITIES FUND |
May 31, 2026
USD ($)
|
|---|---|
| INSTITUTIONAL | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 94 |
| Expense Example, with Redemption, 3 Years | 325 |
| Expense Example, with Redemption, 5 Years | 576 |
| Expense Example, with Redemption, 10 Years | 1,292 |
| INVESTOR A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 653 |
| Expense Example, with Redemption, 3 Years | 930 |
| Expense Example, with Redemption, 5 Years | 1,228 |
| Expense Example, with Redemption, 10 Years | 2,072 |
| INVESTOR C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 308 |
| Expense Example, with Redemption, 3 Years | 649 |
| Expense Example, with Redemption, 5 Years | 1,116 |
| Expense Example, with Redemption, 10 Years | $ 2,224 |