Shareholder Report, Line Graph (Details) |
6 Months Ended |
|---|---|
Jan. 31, 2026 | |
| C000009519 [Member] | |
| Account Value [Line Items] | |
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class Y) |
| C000009520 [Member] | |
| Account Value [Line Items] | |
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class R) |
| C000009518 [Member] | |
| Account Value [Line Items] | |
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class C) — With CDSC |
| C000009516 [Member] | |
| Account Value [Line Items] | |
| Line Graph and Table Measure Name | Davis New York Venture Fund (Class A) — With sales charge |
| Standard & Poor's 500 Index [Member] | |
| Account Value [Line Items] | |
| Line Graph and Table Measure Name | S&P 500 Index |
| Russell 1000 Value Index [Member] | |
| Account Value [Line Items] | |
| Line Graph and Table Measure Name | Russell 1000 Value Index |