v3.26.3
DWS Health and Wellness Fund Expense Example, No Redemption - Class ACIS [Member] - DWS Health and Wellness Fund
Sep. 24, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 704
Expense Example, No Redemption, 3 Years 975
Expense Example, No Redemption, 5 Years 1,267
Expense Example, No Redemption, 10 Years 2,095
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 212
Expense Example, No Redemption, 3 Years 673
Expense Example, No Redemption, 5 Years 1,161
Expense Example, No Redemption, 10 Years 2,293
INST Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 106
Expense Example, No Redemption, 3 Years 337
Expense Example, No Redemption, 5 Years 587
Expense Example, No Redemption, 10 Years 1,303
Class S  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 108
Expense Example, No Redemption, 3 Years 337
Expense Example, No Redemption, 5 Years 585
Expense Example, No Redemption, 10 Years $ 1,294