v3.26.3
DWS Strategic High Yield Tax-Free Fund Expense Example, No Redemption - Class ACIS [Member] - DWS Strategic High Yield Tax-Free Fund
Sep. 24, 2026
USD ($)
Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 368
Expense Example, No Redemption, 3 Years 579
Expense Example, No Redemption, 5 Years 807
Expense Example, No Redemption, 10 Years 1,461
Class C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 172
Expense Example, No Redemption, 3 Years 549
Expense Example, No Redemption, 5 Years 952
Expense Example, No Redemption, 10 Years 1,874
INST Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 242
Expense Example, No Redemption, 5 Years 429
Expense Example, No Redemption, 10 Years 969
Class S  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 240
Expense Example, No Redemption, 5 Years 424
Expense Example, No Redemption, 10 Years $ 958