| Form N-CSR Cover | 12 Months Ended |
| Jul. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | DAVIS NEW YORK VENTURE FUND INC |
| Entity Central Index Key | 0000071701 |
| Document Period End Date | Jul. 31, 2024 |
| Shareholder Report | 12 Months Ended |
| Jul. 31, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | DAVIS NEW YORK VENTURE FUND INC |
| Entity Central Index Key | 0000071701 |
| Document Period End Date | Jul. 31, 2024 |
| 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, 2023 to July 31, 2024 (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 |
| 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) Fund (Class) Costs of $10,000 investment Costs paid as a percentage of a $10,000 investment Davis Research Fund $ 0.69 % |
| Expenses Paid, Amount | $ 75.44 |
| Expense Ratio, Percent | 0.69% |
| Factors Affecting Performance [Text Block] | Management’s Discussion of Fund Performance Summary of Results The Fund underperformed 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 18.66%, versus a 22.15% 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 S&P 500 Strongest performing sectors - Information Technology (+35%), Communication Services (+30%), Weakest performing sectors - Consumer Staples (+8), Materials (+10%), and Energy (+10%) Detractors from Performance Information Technology - underperformed the Index sector (+26% vs +35%) and underweight (average weighting 25% vs 29%) Intel (-13%) Financials - underperformed the Index sector (+20% vs +26%) Julius Baer Group (-19%), Ping An Insurance (-35%), and AIA Group (-31%) Consumer Discretionary - underperformed the Index sector (+7% vs +12%) and overweight (average weighting 16% vs 10%) Delivery Hero (-51%) - largest individual detractor RH (-25%), JD.com (-34%), and Entain (-10%) Entain - new purchase during the period Individual holdings IAC (-24%) and Darling Ingredients (-43%) Contributors to Performance Industrials - significantly outperformed the Index sector (+39% vs +18%) Eaton (+46%) and Schneider Electric (+37%) Eaton - no longer a Fund holding Overweight in stronger performing Financials sector - (average weighting 33% vs 13%) Berkshire Hathaway (+24%), Bank of New York Mellon (+48%), and Danske Bank (+38%) Underweight in Consumer Staples (average weighting 1% vs 6%) and Health Care (average weighting 4% vs 13%) Information Technology holdings SAP (+57%), Applied Materials (+41%), and Microsoft (+26%) Other individual holdings Amazon.com (+40%) - largest individual contributor Meta Platforms (+49%) |
| Performance Past Does Not Indicate Future [Text] | The performance data quoted in this report represents past performance, assumes that all distributions were reinvested, and is not a guarantee of future results. |
| 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 , GROWTH OF $10,000 |
| Average Annual Return [Table Text Block] | AVERAGE ANNUAL TOTAL RETURN FOR PERIODS ENDED 07/31/24 1 Year 5 Years 10 Years Davis Research Fund (Class A) — Without sales charge 18.66 % 12.10 % 10.85 % Davis Research Fund (Class A) — With sales charge* 13.02 % 11.02 % 10.31 % S&P 500 Index 22.15 % 14.98 % 13.14 % * Reflects 4.75% front-end sales charge. |
| No Deduction of Taxes [Text Block] | Returns shown do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of fund shares. |
| Updated Performance Information Location [Text Block] | For most recent month-end performance information, please call Investor Services at 1-800-279-0279. |
| Net Assets | $ 70,000,000 |
| Holdings Count | Holding | 62 |
| Advisory Fees Paid, Amount | $ 342,300 |
| Investment Company Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets as of 07/31/24 (in millions) $ % Total number of portfolio holdings as of 07/31/24 $ % Portfolio turnover rate for the period $ % Total advisory fees paid for the period (in thousands) $ % |
| Holdings [Text Block] | Top Sectors as of 07/31/24 Net Assets Financials 33.14 % Information Technology 24.99 % Consumer Discretionary 16.14 % Communication Services 6.18 % Industrials 6.13 % |
| Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | 60 Months Ended | 120 Months Ended | |||||||||||
| Jul. 31, 2024 | Jul. 31, 2024 | Jul. 31, 2024 | Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019 | Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2014 | ||
| C000009521 [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis Research Fund (Class A) — With sales charge | |||||||||||||
| Account Value | [1] | $ 26,708 | $ 26,708 | $ 26,708 | $ 22,508 | $ 18,798 | $ 22,300 | $ 17,113 | $ 15,075 | $ 14,787 | $ 12,866 | $ 10,471 | $ 10,494 | $ 9,525 |
| Average Annual Return, Percent | [1] | 13.02% | 11.02% | 10.31% | ||||||||||
| C000009521 [Member] | Without Sales Load [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis Research Fund (Class A) — Without sales charge | |||||||||||||
| Average Annual Return, Percent | 18.66% | 12.10% | 10.85% | |||||||||||
| Standard & Poor's 500 Index [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | S&P 500 Index | |||||||||||||
| Account Value | $ 34,407 | $ 34,407 | $ 34,407 | $ 28,168 | $ 24,923 | $ 26,136 | $ 19,154 | $ 17,108 | $ 15,842 | $ 13,629 | $ 11,745 | $ 11,121 | $ 10,000 | |
| Average Annual Return, Percent | 22.15% | 14.98% | 13.14% | |||||||||||
| [1]Reflects 4.75% front-end sales charge. | ||||||||||||||
| Shareholder Report, Holdings (Details) - C000009521 [Member] | Jul. 31, 2024 |
| Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.18% |
| Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 33.14% |
| Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 24.99% |
| Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.13% |
| Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.14% |
