Investor A C Institutional And Class R [Member] Expense Example, No Redemption - Investor A, C, Institutional and Class R - BlackRock Mid-Cap Value Fund - Investor C |
Apr. 30, 2026
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, No Redemption, 1 Year | $ 178 |
| Expense Example, No Redemption, 3 Years | 585 |
| Expense Example, No Redemption, 5 Years | 1,017 |
| Expense Example, No Redemption, 10 Years | $ 2,006 |