v3.26.1
Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
VALUE LINE LARGER COMPANIES FOCUSED FUND, INC.      
Prospectus [Line Items]      
Average Annual Return, Percent 28.58% 10.18% 15.01%
VALUE LINE LARGER COMPANIES FOCUSED FUND, INC. | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 26.75% 8.43% 12.61%
VALUE LINE LARGER COMPANIES FOCUSED FUND, INC. | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 18.18% 7.55% 11.59%
Institutional      
Prospectus [Line Items]      
Average Annual Return, Percent 28.92% 10.46% 15.26%
S&P 500® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.88% 14.42% 14.82%
Russell 1000 Growth Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 18.55% 15.32% 18.13%