v3.25.2
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 120 Months Ended
Jul. 31, 2025
Jul. 31, 2025
Jul. 31, 2025
C000015684      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class A    
Average Annual Return, Percent 16.86% 11.80% 13.92%
C000015687      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class C    
Average Annual Return, Percent 22.04% 12.29% 13.74%
C000015689      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class S    
C000015690      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Institutional Class    
Without Sales Load [Member] | C000015684      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.99% 13.14% 14.60%
Without Sales Load [Member] | C000015687      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.04% 12.29% 13.74%
Without Sales Load [Member] | C000015689      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.29% 13.42% 14.89%
Without Sales Load [Member] | C000015690      
Average Annual Return [Line Items]      
Average Annual Return, Percent 24.29% 13.42% 14.89%
DWS Index: Russell 1000® Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.54% 15.49% 13.38%
DWS Index: Russell 1000® Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.54% 15.49% 13.38%
DWS Index: Russell 1000® Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.54% 15.49% 13.38%
DWS Index: Russell 1000® Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 16.54% 15.49% 13.38%
DWS Index: Russell 1000® Growth Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.75% 17.27% 17.06%
DWS Index: Russell 1000® Growth Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.75% 17.27% 17.06%
DWS Index: Russell 1000® Growth Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.75% 17.27% 17.06%
DWS Index: Russell 1000® Growth Index      
Average Annual Return [Line Items]      
Average Annual Return, Percent 23.75% 17.27% 17.06%