Investor A C and Institutional [Member] Expense Example - Investor A, C and Institutional - BLACKROCK LARGE CAP FOCUS GROWTH FUND, INC. |
May 31, 2026
USD ($)
|
|---|---|
| Investor A | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 614 |
| Expense Example, with Redemption, 3 Years | 815 |
| Expense Example, with Redemption, 5 Years | 1,033 |
| Expense Example, with Redemption, 10 Years | 1,658 |
| Investor C | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 270 |
| Expense Example, with Redemption, 3 Years | 547 |
| Expense Example, with Redemption, 5 Years | 950 |
| Expense Example, with Redemption, 10 Years | 1,867 |
| Institutional | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 68 |
| Expense Example, with Redemption, 3 Years | 232 |
| Expense Example, with Redemption, 5 Years | 409 |
| Expense Example, with Redemption, 10 Years | $ 923 |