Shareholder Report |
12 Months Ended | ||||||||||||||||||
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Jul. 31, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | |||||||||||||||||||
| Document Type | N-CSR | ||||||||||||||||||
| Amendment Flag | false | ||||||||||||||||||
| Registrant Name | DAVIS NEW YORK VENTURE FUND INC | ||||||||||||||||||
| Entity Central Index Key | 0000071701 | ||||||||||||||||||
| Entity Investment Company Type | N-1A | ||||||||||||||||||
| Document Period End Date | Jul. 31, 2026 | ||||||||||||||||||
| C000009521 [Member] | |||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||
| Fund Name | Davis Research Fund | ||||||||||||||||||
| Class Name | Class A | ||||||||||||||||||
| Trading Symbol | DRFAX | ||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This Annual shareholder report contains important information about the Davis Research Fund (the “Fund”) for the period of August 1, 2025 to July 31, 2026 (the “period”). | ||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | Annual shareholder report | ||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at http://dsainternal.davis.local/html/fundinfo/fundinfo.html or by contacting Investor Services at 1-800-279-0279. | ||||||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred during the reporting period.
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| Additional Information Phone Number | 1-800-279-0279 | ||||||||||||||||||
| Additional Information Website | http://dsainternal.davis.local/html/fundinfo/fundinfo.html | ||||||||||||||||||
| Expenses [Text Block] | What were the Fund expenses for the last year? (Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 77 | ||||||||||||||||||
| Expense Ratio, Percent | 0.68% | ||||||||||||||||||
| Factors Affecting Performance [Text Block] | Management’s Discussion of Fund Performance
Summary of Results
The Fund outperformed the Standard & Poor’s 500 Index (“S&P 500” or the “Index”) for the period. The Fund’s Class A shares delivered a total return on net asset value of 25.43%, versus a 19.56% return for the S&P 500. The Fund invests principally in common stocks (including American Depositary Receipts) issued by medium- and large-capitalization companies. The Fund considers companies with market capitalizations between $3 billion and $10 billion to be medium-capitalization companies and companies with market capitalizations of at least $10 billion to be large-capitalization companies. The Fund has the flexibility to invest in foreign securities. Market Overview
Contributors to Performance
Detractors from 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. | ||||||||||||||||||
| Line Graph [Table Text Block] | Fund Performance The following graph compares the initial and subsequent account values of a $10,000 investment in the Fund and the S&P 500 Index over 10 fiscal years for an investment made on July 31, 2016. GROWTH OF $10,000 |
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| Average Annual Return [Table Text Block] |
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| No Deduction of Taxes [Text Block] | The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares. | ||||||||||||||||||
| Updated Performance Information Location [Text Block] | For most recent month-end performance information, please call Investor Services at1-800-279-0279. | ||||||||||||||||||
| Net Assets | $ 88,500,000 | ||||||||||||||||||
| Holdings Count | Holding | 66 | ||||||||||||||||||
| Advisory Fees Paid, Amount | $ 444,800 | ||||||||||||||||||
| Investment Company Portfolio Turnover | 26.00% | ||||||||||||||||||
| Additional Fund Statistics [Text Block] | Key Fund Statistics
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| Holdings [Text Block] | Top Sectors as of 07/31/26 Net Assets
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| Material Fund Change [Text Block] | How has the Fund changed? At a meeting held on September 15, 2026, the Board of Directors of Davis New York Venture Fund, Inc. approved an Agreement and Plan of Reorganization between Davis Research Fund and Davis Select U.S. Equity ETF (and the Board of Trustees of Davis Fundamental ETF Trust has similarly reviewed and approved). The Reorganization will be presented to stockholders of Davis Research Fund at a special meeting of stockholders, which is scheduled to be held on or about November 10, 2026. If approved by stockholders, the Reorganization is expected to take place on November 13, 2026, with Davis Select U.S. Equity ETF, through a tax-free exchange, acquiring all of the net assets of Davis Research Fund Class A. This is a summary of certain planned changes to the Fund since July 31, 2026. For more complete information, you may review the Fund’s next supplement to its prospectus, which we expect to be available by October 9, 2026 at https://dsainternal.davis.local/html/fundinfo/fundinfo.html or upon request by contacting Investor Services (1-800-279-0279 and dvsinvestor.services@dsaco.com).
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| Summary of Change Legend [Text Block] | This is a summary of certain planned changes to the Fund since July 31, 2026. For more complete information, you may review the Fund’s next supplement to its prospectus, which we expect to be available by October 9, 2026 at https://dsainternal.davis.local/html/fundinfo/fundinfo.html or upon request by contacting Investor Services (1-800-279-0279 and dvsinvestor.services@dsaco.com).
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| Updated Prospectus Phone Number | 1-800-279-0279 | ||||||||||||||||||
| Updated Prospectus Email Address | dvsinvestor.services@dsaco.com | ||||||||||||||||||
| Updated Prospectus Web Address | https://dsainternal.davis.local/html/fundinfo/fundinfo.html |