DWS Tax-Exempt Portfolio Investment Objectives and Goals - DWS Tax Free Mony Fund Cl S [Member] - DWS Tax-Exempt Portfolio |
Apr. 30, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="color:#000000;font-family:Arial;font-size:14pt;">DWS Tax-Exempt Portfolio</span> |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;text-transform:uppercase;">Investment Objective</span> |
| Objective, Primary [Text Block] | The fund seeks to provide maximum current income that is exempt from federal income taxes to the extent consistent with stability of capital. |