v3.26.1
Shareholder Report
 6 Months Ended
Jun. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Value Line Larger Companies Focused Fund, Inc.
Entity Central Index Key 0000102764
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000162163  
Shareholder Report [Line Items]  
Fund Name Value Line Larger Companies Focused Fund, Inc.
Class Name Institutional
Trading Symbol VLLIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Value Line Larger Companies Focused Fund, Inc. (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.vlfunds.com. You can also request this information by contacting us at 1-800-243-2729 or investorservices@vlfunds.com.
Additional Information Phone Number 1-800-243-2729
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">investorservices@vlfunds.com</span>
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.vlfunds.com</span>
Expenses [Text Block]

What were the Fund costs for last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Class
$46
0.89%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.89% [1]
AssetsNet $ 436,221,340
Holdings Count | Holding 31
InvestmentCompanyPortfolioTurnover 12.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$436,221,340
# of Portfolio Holdings
31
Portfolio Turnover Rate
12%
Holdings [Text Block]

Asset Allocation (% of Net Assets)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
99.0%
Cash & Other Assets - Net
1.0%

Sector Weightings (% of Total Investments In Securities)*

Group By Sector Chart
Table Summary
Value
Value
Industrials
2.9%
Consumer Discretionary
8.4%
Financials
8.8%
Healthcare
13.1%
Communication Services
13.6%
Information Technology
53.2%

* Excludes Short-term Investments, if any. 
Largest Holdings [Text Block]

Ten Largest Holdings (% of Net Assets)*

Table Summary
Advanced Micro Devices, Inc.
9.7%
NVIDIA Corp.
6.6%
Alphabet, Inc.
5.7%
Micron Technology, Inc.
5.0%
Meta Platforms, Inc.
4.8%
AppLovin Corp.
4.7%
Broadcom, Inc.
4.5%
Madrigal Pharmaceuticals, Inc.
4.3%
ARM Holdings PLC
4.1%
Crowdstrike Holdings, Inc.
3.8%
Updated Prospectus Phone Number 800-243-2729
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">investorservices@vlfunds.com</span>
C000020637  
Shareholder Report [Line Items]  
Fund Name Value Line Larger Companies Focused Fund, Inc.
Class Name Investor
Trading Symbol VALLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about Value Line Larger Companies Focused Fund, Inc. (the "Fund") for the period of January 1, 2026 to June 30, 2026.
Additional Information [Text Block] You can find additional information about the Fund at www.vlfunds.com. You can also request this information by contacting us at 1-800-243-2729 or investorservices@vlfunds.com.
Additional Information Phone Number 1-800-243-2729
Additional Information Email <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">investorservices@vlfunds.com</span>
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">www.vlfunds.com</span>
Expenses [Text Block]

What were the Fund costs for last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor Class
$59
1.14%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 59
Expense Ratio, Percent 1.14% [2]
AssetsNet $ 436,221,340
Holdings Count | Holding 31
InvestmentCompanyPortfolioTurnover 12.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics

Table Summary
Total Net Assets
$436,221,340
# of Portfolio Holdings
31
Portfolio Turnover Rate
12%
Holdings [Text Block]

Asset Allocation (% of Net Assets)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
99.0%
Cash & Other Assets - Net
1.0%

Sector Weightings (% of Total Investments In Securities)*

Group By Sector Chart
Table Summary
Value
Value
Industrials
2.9%
Consumer Discretionary
8.4%
Financials
8.8%
Healthcare
13.1%
Communication Services
13.6%
Information Technology
53.2%

* Excludes Short-term Investments, if any. 
Largest Holdings [Text Block]

Ten Largest Holdings (% of Net Assets)*

Table Summary
Advanced Micro Devices, Inc.
9.7%
NVIDIA Corp.
6.6%
Alphabet, Inc.
5.7%
Micron Technology, Inc.
5.0%
Meta Platforms, Inc.
4.8%
AppLovin Corp.
4.7%
Broadcom, Inc.
4.5%
Madrigal Pharmaceuticals, Inc.
4.3%
ARM Holdings PLC
4.1%
Crowdstrike Holdings, Inc.
3.8%
Updated Prospectus Phone Number 800-243-2729
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; text-align-last: auto; white-space-collapse: preserve-breaks;">investorservices@vlfunds.com</span>
[1] Annualized.
[2] Annualized.