Expense Example, No Redemption - BLACKROCK ENERGY OPPORTUNITIES FUND - INVESTOR C |
May 31, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 208 |
| Expense Example, No Redemption, 3 Years | 649 |
| Expense Example, No Redemption, 5 Years | 1,116 |
| Expense Example, No Redemption, 10 Years | $ 2,224 |