DWS RREEF Real Assets Fund Investment Objectives and Goals - DWS RREEF Real Assets Fund	Mar. 31, 2025
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#000000;font-family:Arial;font-size:14pt;">DWS RREEF Real Assets Fund</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 total return in excess of inflation through capital growth and current income.