Shareholder Report |
6 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | ||||||
| Document Type | N-CSRS | |||||
| Amendment Flag | false | |||||
| Registrant Name | VALUE LINE ASSET ALLOCATION FUND INC | |||||
| Entity Central Index Key | 0000904170 | |||||
| Entity Investment Company Type | N-1A | |||||
| Document Period End Date | Jun. 30, 2026 | |||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual Shareholder Report | |||||
| C000162154 | ||||||
| Shareholder Report [Line Items] | ||||||
| Fund Name | Value Line Asset Allocation Fund, Inc. | |||||
| Class Name | Institutional | |||||
| Trading Symbol | VLAIX | |||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Value Line Asset Allocation 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] | ||||||
| Expenses Paid, Amount | $ 46 | |||||
| Expense Ratio, Percent | 0.94% | [1] | ||||
| AssetsNet | $ 299,042,851 | |||||
| Holdings Count | Holding | 118 | |||||
| InvestmentCompanyPortfolioTurnover | 16.00% | |||||
| Additional Fund Statistics [Text Block] | ||||||
| Holdings [Text Block] | ||||||
| Largest Holdings [Text Block] | ||||||
| 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> | |||||
| C000020616 | ||||||
| Shareholder Report [Line Items] | ||||||
| Fund Name | Value Line Asset Allocation Fund, Inc. | |||||
| Class Name | Investor | |||||
| Trading Symbol | VLAAX | |||||
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about Value Line Asset Allocation 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] | ||||||
| Expenses Paid, Amount | $ 58 | |||||
| Expense Ratio, Percent | 1.19% | [2] | ||||
| AssetsNet | $ 299,042,851 | |||||
| Holdings Count | Holding | 118 | |||||
| InvestmentCompanyPortfolioTurnover | 16.00% | |||||
| Additional Fund Statistics [Text Block] | ||||||
| Holdings [Text Block] | ||||||
| Largest Holdings [Text Block] | ||||||
| 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> | |||||
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