v3.26.1
DWS RREEF Real Estate Securities Fund Investment Objectives and Goals - DWS RREEF Real Estate Securities Fund
Apr. 29, 2026
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Arial;font-size:14pt;">DWS RREEF Real Estate Securities 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’s investment objective is long-term capital appreciation and current income.