Investor A C Institutional And Class R [Member] Annual Fund Operating Expenses - Investor A, C, Institutional and Class R - BLACKROCK LARGE CAP FOCUS VALUE FUND, INC. |
Jun. 30, 2026 |
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|---|---|---|---|---|---|---|---|---|
| Prospectus [Line Items] | ||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | June 30, 2028 | |||||||
| Investor A Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.42% | [1] | ||||||
| Distribution and Service (12b-1) Fees | 0.25% | |||||||
| Other Expenses (as a percentage of Assets): | 0.14% | [2] | ||||||
| Expenses (as a percentage of Assets) | 0.81% | [2] | ||||||
| Fee Waiver or Reimbursement | 0.00% | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 0.81% | [1],[3] | ||||||
| Investor C Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.42% | [1] | ||||||
| Distribution and Service (12b-1) Fees | 1.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.22% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.64% | [2] | ||||||
| Fee Waiver or Reimbursement | 0.00% | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 1.64% | [1],[3] | ||||||
| Institutional Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.42% | [1] | ||||||
| Distribution and Service (12b-1) Fees | 0.00% | |||||||
| Other Expenses (as a percentage of Assets): | 0.13% | [2] | ||||||
| Expenses (as a percentage of Assets) | 0.55% | [2] | ||||||
| Fee Waiver or Reimbursement | 0.00% | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 0.55% | [1],[3] | ||||||
| Class R Shares | ||||||||
| Prospectus [Line Items] | ||||||||
| Management Fees (as a percentage of Assets) | 0.42% | [1] | ||||||
| Distribution and Service (12b-1) Fees | 0.50% | |||||||
| Other Expenses (as a percentage of Assets): | 0.26% | [2] | ||||||
| Expenses (as a percentage of Assets) | 1.18% | [2] | ||||||
| Fee Waiver or Reimbursement | 0.00% | [1],[3] | ||||||
| Net Expenses (as a percentage of Assets) | 1.18% | [1],[3] | ||||||
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