v3.25.2
Expense Example - Class ACIS [Member] - DWS Intermediate Tax-Free Fund
May 31, 2025
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 348
Expense Example, with Redemption, 3 Years 517
Expense Example, with Redemption, 5 Years 700
Expense Example, with Redemption, 10 Years 1,231
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 251
Expense Example, with Redemption, 3 Years 489
Expense Example, with Redemption, 5 Years 851
Expense Example, with Redemption, 10 Years 1,660
INST Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 169
Expense Example, with Redemption, 5 Years 300
Expense Example, with Redemption, 10 Years 683
Class S  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 49
Expense Example, with Redemption, 3 Years 182
Expense Example, with Redemption, 5 Years 327
Expense Example, with Redemption, 10 Years $ 750