VALUE LINE LARGER COMPANIES FOCUSED FUND, INC. VALUE LINE LARGER COMPANIES FOCUSED FUND, INC. Institutional Growth Style Risk [Member] Market Risk [Member] Equity Securities Risk [Member] Liquidity Risk [Member] Sector Allocation Risk [Member] Focused Portfolio Risk [Member] Small and Mid-Sized Company Risk [Member] Ranking System Risk [Member] Active Management Risk [Member] Foreign Investments Risk [Member] Market Disruption Risk [Member] Cybersecurity Risk [Member] S&P 500® Index (reflects no deduction for fees, expenses or taxes) Russell 1000 Growth Index (reflects no deduction for fees, expenses or taxes) Market Risk Member Ranking System Risk Member Small And Mid Sized Company Risk Member C000162163 Member Cybersecurity Risk Member Equity Securities Risk Member Focused Portfolio Risk Member C000020637 Member index_ Russell_1000_ Growth_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member S000007572 Member Growth Style Risk Member Active Management Risk Member index_ SP_500_ Index_reflects_no_deduction_for_fees_expenses_or_taxes Member Foreign Investments Risk Member Liquidity Risk Member Market Disruption Risk Member Sector Allocation Risk Member