v3.26.1
Shareholder Report, Average Annual Return (Details)
 6 Months Ended 12 Months Ended 60 Months Ended 120 Months Ended
Jan. 31, 2026
Jan. 31, 2026
Jan. 31, 2026
Jan. 31, 2026
C000009519 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis New York Venture Fund (Class Y)      
Average Annual Return, Percent   23.75% 13.25% 13.73%
C000009520 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis New York Venture Fund (Class R)      
Average Annual Return, Percent   23.10% 12.67% 13.14%
C000009518 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis New York Venture Fund (Class C) — With CDSC      
Average Annual Return, Percent [1],[2]   21.44% 12.04% 12.73%
C000009516 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis New York Venture Fund (Class A) — With sales charge      
Average Annual Return, Percent [3]   17.61% 11.89% 12.92%
Without Sales Load [Member] | C000009518 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis New York Venture Fund (Class C) — Without CDSC      
Average Annual Return, Percent [1]   22.44% 12.04% 12.73%
Without Sales Load [Member] | C000009516 [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Davis New York Venture Fund (Class A) — Without sales charge      
Average Annual Return, Percent   23.48% 12.97% 13.46%
Standard & Poor's 500 Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name S&P 500 Index      
Average Annual Return, Percent   16.35% 14.98% 15.56%
Russell 1000 Value Index [Member]        
Average Annual Return [Line Items]        
Line Graph and Table Measure Name Russell 1000 Value Index      
Average Annual Return, Percent   15.83% 12.52% 11.60%
[1] 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.
[2] Includes any applicable contingent deferred sales charge (“CDSC”).
[3] Reflects 4.75% front-end sales charge.