Shareholder Report |
6 Months Ended | |||||||||||||||||
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Jun. 30, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | ||||||||||||||||||
| Document Type | N-CSRS | |||||||||||||||||
| Amendment Flag | false | |||||||||||||||||
| Registrant Name | DAVIS VARIABLE ACCOUNT FUND INC | |||||||||||||||||
| Entity Central Index Key | 0001084060 | |||||||||||||||||
| Entity Investment Company Type | N-1A | |||||||||||||||||
| Document Period End Date | Jun. 30, 2026 | |||||||||||||||||
| C000009559 [Member] | ||||||||||||||||||
| Shareholder Report [Line Items] | ||||||||||||||||||
| Fund Name | Davis Real Estate Portfolio | |||||||||||||||||
| Trading Symbol | QDRPAX | |||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This Semi-Annual shareholder report contains important information about the Davis Real Estate Portfolio (the “Fund”) for the period of January 1, 2026 to June 30, 2026 (the “period”). | |||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Semi-Annual shareholder report | |||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at davisfunds.com/resources/regulatory-documents or by contacting Investor Services at 1-800-279-0279. | |||||||||||||||||
| Additional Information Phone Number | 1-800-279-0279 | |||||||||||||||||
| Additional Information Website | davisfunds.com/resources/regulatory-documents | |||||||||||||||||
| Expenses [Text Block] |
What were the Fund expenses for the last six months?
(Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 53 | |||||||||||||||||
| Expense Ratio, Percent | 1.00% | [1] | ||||||||||||||||
| Factors Affecting Performance [Text Block] |
Management’s Discussion of Fund Performance
Summary of Results
The Fund slightly underperformed the Wilshire U.S. Real Estate Securities Index (“Wilshire Index” or the “Index”) for the period. The Fund delivered a total return of 12.28%, versus a 12.36% return for the Wilshire Index. The Fund invests, under normal conditions, at least 80% of its net assets in securities issued by companies principally engaged in the real estate industry.
Market Overview
Detractors from Performance
Contributors to Performance
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| Performance Past Does Not Indicate Future [Text] | The Fund's past performance is not a good predictor of how the Fund will perform in the future. | |||||||||||||||||
| Average Annual Return [Table Text Block] |
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| Updated Performance Information Location [Text Block] | For most recent month-end performance information, please call Investor Services at 1-800-279-0279 or visit the Fund's website at www.davisfunds.com . | |||||||||||||||||
| Net Assets | $ 7,200,000 | |||||||||||||||||
| Holdings Count | Holding | 41 | |||||||||||||||||
| Advisory Fees Paid, Amount | $ 1,300 | |||||||||||||||||
| Investment Company Portfolio Turnover | 13.00% | |||||||||||||||||
| Additional Fund Statistics [Text Block] |
Key Fund Statistics
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| Holdings [Text Block] |
Top Industries as of 06/30/26 Net Assets
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