| 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 |
| C000009516 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Davis New York Venture Fund |
| Class Name | Class A |
| Trading Symbol | NYVTX |
| Annual or Semi-Annual Statement [Text Block] | This Annual shareholder report contains important information about the Davis New York Venture 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 davisfunds.com/resources/regulatory-documents |
| 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 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 New York Venture Fund $ 0.92 % |
| Expenses Paid, Amount | $ 101.01 |
| Expense Ratio, Percent | 0.92% |
| 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 19.59%, versus a 22.15% return for the S&P 500. The Fund invests principally in common stocks (including American Depositary Receipts) issued by large companies with market capitalizations of at least $10 billion. The Fund continues to invest a significant portion of its assets in financial services and foreign companies. 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 (+21% vs +35%) and underweight (average weighting 12% vs 29%) Financials - underperformed the Index sector (+23% vs +26%) Ping An Insurance (-35%) - largest individual detractor AIA Group (-31%) and Julius Baer Group (-19%) Individual holdings Darling Ingredients (-43%), JD.com (-34%), IAC (-24%), AGCO (-13%), OCI (-12%), and MGM Resorts (-15%) AGCO - new purchase during the period Contributors to Performance Communication Services - outperformed the Index sector (+39% vs +30%) and overweight (average weighting 13% vs 9%) Meta Platforms (+49%) - largest individual contributor Alphabet (+29%) Significantly overweight in stronger performing Financials sector - (average weighting 44% vs 13%) Wells Fargo (+32%), Capital One Financial (+32%), Berkshire Hathaway (+23%), Bank of New York Mellon (+48%), Danske Bank (+38%), and JPMorgan Chase (+38%) Underweight in Consumer Staples (average weighting 1% vs 6%) and Energy (average weighting less than 1% vs 4%), two of the weakest performing sectors of the Index Individual holdings Amazon.com (+40%) and Applied Materials (+41%) |
| 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 New York Venture Fund (Class A) — Without sales charge 19.59 % 11.03 % 9.92 % Davis New York Venture Fund (Class A) — With sales charge* 13.90 % 9.96 % 9.40 % 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 or visit the Fund’s website at www.davisfunds.com. |
| Net Assets | $ 6,700,000,000 |
| Holdings Count | Holding | 45 |
| Advisory Fees Paid, Amount | $ 34,000,000 |
| Investment Company Portfolio Turnover | 17% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets as of 07/31/24 (in billions) $ % Total number of portfolio holdings as of 07/31/24 $ % Portfolio turnover rate for the period $ % Total advisory fees paid for the period (in millions) $ % |
| Holdings [Text Block] | Top Sectors as of 07/31/24 Net Assets Financials 38.52 % Health Care 13.22 % Communication Services 12.82 % Information Technology 12.26 % Consumer Discretionary 10.53 % |
| C000009517 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Davis New York Venture Fund |
| Class Name | Class B |
| Trading Symbol | NYVBX |
| Annual or Semi-Annual Statement [Text Block] | This Annual shareholder report contains important information about the Davis New York Venture 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 davisfunds.com/resources/regulatory-documents |
| 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 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 New York Venture Fund $ 1.75 % |
| Expenses Paid, Amount | $ 191.27 |
| Expense Ratio, Percent | 1.75% |
| 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 B shares delivered a total return on net asset value of 18.59%, versus a 22.15% return for the S&P 500. The Fund invests principally in common stocks (including American Depositary Receipts) issued by large companies with market capitalizations of at least $10 billion. The Fund continues to invest a significant portion of its assets in financial services and foreign companies. 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 (+21% vs +35%) and underweight (average weighting 12% vs 29%) Financials - underperformed the Index sector (+23% vs +26%) Ping An Insurance (-35%) - largest individual detractor AIA Group (-31%) and Julius Baer Group (-19%) Individual holdings Darling Ingredients (-43%), JD.com (-34%), IAC (-24%), AGCO (-13%), OCI (-12%), and MGM Resorts (-15%) AGCO - new purchase during the period Contributors to Performance Communication Services - outperformed the Index sector (+39% vs +30%) and overweight (average weighting 13% vs 9%) Meta Platforms (+49%) - largest individual contributor Alphabet (+29%) Significantly overweight in stronger performing Financials sector - (average weighting 44% vs 13%) Wells Fargo (+32%), Capital One Financial (+32%), Berkshire Hathaway (+23%), Bank of New York Mellon (+48%), Danske Bank (+38%), and JPMorgan Chase (+38%) Underweight in Consumer Staples (average weighting 1% vs 6%) and Energy (average weighting less than 1% vs 4%), two of the weakest performing sectors of the Index Individual holdings Amazon.com (+40%) and Applied Materials (+41%) |
| 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 New York Venture Fund (Class B) — Without CDSC* 18.59 % 10.09 % 9.20 % Davis New York Venture Fund (Class B) — With CDSC*,** 14.59 % 9.86 % 9.20 % S&P 500 Index 22.15 % 14.98 % 13.14 % * Because Class B shares automatically convert to Class A shares after 7 years, the “10-Year” returns for Class B reflect Class A performance for the period after conversion. ** Includes any applicable contingent deferred sales charge (“CDSC”). |
| 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 or visit the Fund’s website at www.davisfunds.com. |
| Net Assets | $ 6,700,000,000 |
| Holdings Count | Holding | 45 |
| Advisory Fees Paid, Amount | $ 34,000,000 |
| Investment Company Portfolio Turnover | 17% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets as of 07/31/24 (in billions) $ % Total number of portfolio holdings as of 07/31/24 $ % Portfolio turnover rate for the period $ % Total advisory fees paid for the period (in millions) $ % |
| Holdings [Text Block] | Top Sectors as of 07/31/24 Net Assets Financials 38.52 % Health Care 13.22 % Communication Services 12.82 % Information Technology 12.26 % Consumer Discretionary 10.53 % |
| C000009518 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Davis New York Venture Fund |
| Class Name | Class C |
| Trading Symbol | NYVCX |
| Annual or Semi-Annual Statement [Text Block] | This Annual shareholder report contains important information about the Davis New York Venture 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 davisfunds.com/resources/regulatory-documents |
| 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 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 New York Venture Fund $ 1.75 % |
| Expenses Paid, Amount | $ 191.26 |
| Expense Ratio, Percent | 1.75% |
| 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 C shares delivered a total return on net asset value of 18.58%, versus a 22.15% return for the S&P 500. The Fund invests principally in common stocks (including American Depositary Receipts) issued by large companies with market capitalizations of at least $10 billion. The Fund continues to invest a significant portion of its assets in financial services and foreign companies. 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 (+21% vs +35%) and underweight (average weighting 12% vs 29%) Financials - underperformed the Index sector (+23% vs +26%) Ping An Insurance (-35%) - largest individual detractor AIA Group (-31%) and Julius Baer Group (-19%) Individual holdings Darling Ingredients (-43%), JD.com (-34%), IAC (-24%), AGCO (-13%), OCI (-12%), and MGM Resorts (-15%) AGCO - new purchase during the period Contributors to Performance Communication Services - outperformed the Index sector (+39% vs +30%) and overweight (average weighting 13% vs 9%) Meta Platforms (+49%) - largest individual contributor Alphabet (+29%) Significantly overweight in stronger performing Financials sector - (average weighting 44% vs 13%) Wells Fargo (+32%), Capital One Financial (+32%), Berkshire Hathaway (+23%), Bank of New York Mellon (+48%), Danske Bank (+38%), and JPMorgan Chase (+38%) Underweight in Consumer Staples (average weighting 1% vs 6%) and Energy (average weighting less than 1% vs 4%), two of the weakest performing sectors of the Index Individual holdings Amazon.com (+40%) and Applied Materials (+41%) |
| 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 New York Venture Fund (Class C) — Without CDSC* 18.58 % 10.12 % 9.23 % Davis New York Venture Fund (Class C) — With CDSC*,** 17.58 % 10.12 % 9.23 % S&P 500 Index 22.15 % 14.98 % 13.14 % * Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion. ** Includes any applicable contingent deferred sales charge (“CDSC”). |
| 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 or visit the Fund’s website at www.davisfunds.com. |
| Net Assets | $ 6,700,000,000 |
| Holdings Count | Holding | 45 |
| Advisory Fees Paid, Amount | $ 34,000,000 |
| Investment Company Portfolio Turnover | 17% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets as of 07/31/24 (in billions) $ % Total number of portfolio holdings as of 07/31/24 $ % Portfolio turnover rate for the period $ % Total advisory fees paid for the period (in millions) $ % |
| Holdings [Text Block] | Top Sectors as of 07/31/24 Net Assets Financials 38.52 % Health Care 13.22 % Communication Services 12.82 % Information Technology 12.26 % Consumer Discretionary 10.53 % |
| C000009520 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Davis New York Venture Fund |
| Class Name | Class R |
| Trading Symbol | NYVRX |
| Annual or Semi-Annual Statement [Text Block] | This Annual shareholder report contains important information about the Davis New York Venture 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 davisfunds.com/resources/regulatory-documents |
| 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 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 New York Venture Fund $ 1.20 % |
| Expenses Paid, Amount | $ 131.53 |
| Expense Ratio, Percent | 1.20% |
| 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 R shares delivered a total return of 19.22%, versus a 22.15% return for the S&P 500. The Fund invests principally in common stocks (including American Depositary Receipts) issued by large companies with market capitalizations of at least $10 billion. The Fund continues to invest a significant portion of its assets in financial services and foreign companies. 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 (+21% vs +35%) and underweight (average weighting 12% vs 29%) Financials - underperformed the Index sector (+23% vs +26%) Ping An Insurance (-35%) - largest individual detractor AIA Group (-31%) and Julius Baer Group (-19%) Individual holdings Darling Ingredients (-43%), JD.com (-34%), IAC (-24%), AGCO (-13%), OCI (-12%), and MGM Resorts (-15%) AGCO - new purchase during the period Contributors to Performance Communication Services - outperformed the Index sector (+39% vs +30%) and overweight (average weighting 13% vs 9%) Meta Platforms (+49%) - largest individual contributor Alphabet (+29%) Significantly overweight in stronger performing Financials sector - (average weighting 44% vs 13%) Wells Fargo (+32%), Capital One Financial (+32%), Berkshire Hathaway (+23%), Bank of New York Mellon (+48%), Danske Bank (+38%), and JPMorgan Chase (+38%) Underweight in Consumer Staples (average weighting 1% vs 6%) and Energy (average weighting less than 1% vs 4%), two of the weakest performing sectors of the Index Individual holdings Amazon.com (+40%) and Applied Materials (+41%) |
| 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 $500,000 investment in the Fund and the S&P 500 Index over 10 fiscal years for an investment made on July 31 , GROWTH OF $500,000 |
| Average Annual Return [Table Text Block] | AVERAGE ANNUAL TOTAL RETURN FOR PERIODS ENDED 07/31/24 1 Year 5 Years 10 Years Davis New York Venture Fund (Class R) 19.22 % 10.73 % 9.62 % S&P 500 Index 22.15 % 14.98 % 13.14 % |
| 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 or visit the Fund’s website at www.davisfunds.com. |
| Net Assets | $ 6,700,000,000 |
| Holdings Count | Holding | 45 |
| Advisory Fees Paid, Amount | $ 34,000,000 |
| Investment Company Portfolio Turnover | 17% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets as of 07/31/24 (in billions) $ % Total number of portfolio holdings as of 07/31/24 $ % Portfolio turnover rate for the period $ % Total advisory fees paid for the period (in millions) $ % |
| Holdings [Text Block] | Top Sectors as of 07/31/24 Net Assets Financials 38.52 % Health Care 13.22 % Communication Services 12.82 % Information Technology 12.26 % Consumer Discretionary 10.53 % |
| C000009519 [Member] | |
| Shareholder Report [Line Items] | |
| Fund Name | Davis New York Venture Fund |
| Class Name | Class Y |
| Trading Symbol | DNVYX |
| Annual or Semi-Annual Statement [Text Block] | This Annual shareholder report contains important information about the Davis New York Venture 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 davisfunds.com/resources/regulatory-documents |
| 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 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 New York Venture Fund $ 0.67 % |
| Expenses Paid, Amount | $ 73.66 |
| Expense Ratio, Percent | 0.67% |
| 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 Y shares delivered a total return of 19.89%, versus a 22.15% return for the S&P 500. The Fund invests principally in common stocks (including American Depositary Receipts) issued by large companies with market capitalizations of at least $10 billion. The Fund continues to invest a significant portion of its assets in financial services and foreign companies. 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 (+21% vs +35%) and underweight (average weighting 12% vs 29%) Financials - underperformed the Index sector (+23% vs +26%) Ping An Insurance (-35%) - largest individual detractor AIA Group (-31%) and Julius Baer Group (-19%) Individual holdings Darling Ingredients (-43%), JD.com (-34%), IAC (-24%), AGCO (-13%), OCI (-12%), and MGM Resorts (-15%) AGCO - new purchase during the period Contributors to Performance Communication Services - outperformed the Index sector (+39% vs +30%) and overweight (average weighting 13% vs 9%) Meta Platforms (+49%) - largest individual contributor Alphabet (+29%) Significantly overweight in stronger performing Financials sector - (average weighting 44% vs 13%) Wells Fargo (+32%), Capital One Financial (+32%), Berkshire Hathaway (+23%), Bank of New York Mellon (+48%), Danske Bank (+38%), and JPMorgan Chase (+38%) Underweight in Consumer Staples (average weighting 1% vs 6%) and Energy (average weighting less than 1% vs 4%), two of the weakest performing sectors of the Index Individual holdings Amazon.com (+40%) and Applied Materials (+41%) |
| 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 $5,000,000 investment in the Fund and the S&P 500 Index over 10 fiscal years for an investment made on July 31 , GROWTH OF $5,000,000 |
| Average Annual Return [Table Text Block] | AVERAGE ANNUAL TOTAL RETURN FOR PERIODS ENDED 07/31/24 1 Year 5 Years 10 Years Davis New York Venture Fund (Class Y) 19.89 % 11.30 % 10.20 % S&P 500 Index 22.15 % 14.98 % 13.14 % |
| 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 or visit the Fund’s website at www.davisfunds.com. |
| Net Assets | $ 6,700,000,000 |
| Holdings Count | Holding | 45 |
| Advisory Fees Paid, Amount | $ 34,000,000 |
| Investment Company Portfolio Turnover | 17% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets as of 07/31/24 (in billions) $ % Total number of portfolio holdings as of 07/31/24 $ % Portfolio turnover rate for the period $ % Total advisory fees paid for the period (in millions) $ % |
| Holdings [Text Block] | Top Sectors as of 07/31/24 Net Assets Financials 38.52 % Health Care 13.22 % Communication Services 12.82 % Information Technology 12.26 % Consumer Discretionary 10.53 % |
| 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 | ||
| C000009516 [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class A) — With sales charge | |||||||||||||
| Account Value | [1] | $ 24,556 | $ 24,556 | $ 24,556 | $ 20,535 | $ 16,690 | $ 20,297 | $ 14,432 | $ 14,547 | $ 14,686 | $ 12,633 | $ 10,517 | $ 10,455 | $ 9,525 |
| Average Annual Return, Percent | [1] | 13.90% | 9.96% | 9.40% | ||||||||||
| C000009516 [Member] | Without Sales Load [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class A) — Without sales charge | |||||||||||||
| Average Annual Return, Percent | 19.59% | 11.03% | 9.92% | |||||||||||
| C000009517 [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class B) — With CDSC | |||||||||||||
| Average Annual Return, Percent | [2],[3] | 14.59% | 9.86% | 9.20% | ||||||||||
| C000009517 [Member] | Without Sales Load [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class B) — Without CDSC | |||||||||||||
| Account Value | [2] | $ 24,127 | $ 24,127 | $ 24,127 | 20,176 | 16,398 | 19,942 | 14,304 | 14,550 | 14,833 | 12,879 | 10,830 | 10,872 | 10,000 |
| Average Annual Return, Percent | [2] | 18.59% | 10.09% | 9.20% | ||||||||||
| C000009518 [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class C) — With CDSC | |||||||||||||
| Average Annual Return, Percent | [4],[5] | 17.58% | 10.12% | 9.23% | ||||||||||
| C000009518 [Member] | Without Sales Load [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class C) — Without CDSC | |||||||||||||
| Account Value | [4] | $ 24,197 | $ 24,197 | $ 24,197 | 20,234 | 16,445 | 20,167 | 14,458 | 14,688 | 14,951 | 12,955 | 10,870 | 10,891 | 10,000 |
| Average Annual Return, Percent | [4] | 18.58% | 10.12% | 9.23% | ||||||||||
| C000009520 [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class R) | |||||||||||||
| Account Value | $ 1,253,513 | $ 1,253,513 | $ 1,253,513 | 1,051,401 | 855,913 | 1,044,101 | 744,709 | 752,661 | 762,113 | 657,280 | 548,703 | 547,265 | 500,000 | |
| Average Annual Return, Percent | 19.22% | 10.73% | 9.62% | |||||||||||
| C000009519 [Member] | ||||||||||||||
| Account Value [Line Items] | ||||||||||||||
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class Y) | |||||||||||||
| Account Value | $ 13,214,196 | $ 13,214,196 | $ 13,214,196 | 11,021,996 | 8,934,756 | 10,841,386 | 7,690,157 | 7,732,334 | 7,788,713 | 6,680,363 | 5,545,620 | 5,500,776 | 5,000,000 | |
| Average Annual Return, Percent | 19.89% | 11.30% | 10.20% | |||||||||||
| 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.[2]Because Class B shares automatically convert to Class A shares after 7 years, the “10-Year” returns for Class B reflect Class A performance for the period after conversion.[3]Includes any applicable contingent deferred sales charge (“CDSC”).[4]Because Class C shares automatically convert to Class A shares after 8 years, the “10-Year” returns for Class C reflect Class A performance for the period after conversion.[5]Includes any applicable contingent deferred sales charge (“CDSC”). | ||||||||||||||
| Shareholder Report, Holdings (Details) | Jul. 31, 2024 |
| C000009516 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.22% |
| C000009516 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.82% |
| C000009516 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.53% |
| C000009516 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.26% |
| C000009516 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 38.52% |
| C000009517 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.22% |
| C000009517 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.82% |
| C000009517 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.53% |
| C000009517 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.26% |
| C000009517 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 38.52% |
| C000009518 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.22% |
| C000009518 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.82% |
| C000009518 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.53% |
| C000009518 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.26% |
| C000009518 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 38.52% |
| C000009520 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.22% |
| C000009520 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.82% |
| C000009520 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.53% |
| C000009520 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.26% |
| C000009520 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 38.52% |
| C000009519 [Member] | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.22% |
| C000009519 [Member] | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.82% |
| C000009519 [Member] | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.53% |
| C000009519 [Member] | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.26% |
| C000009519 [Member] | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 38.52% |
