v3.26.1
TCW Core Fixed Income Portfolio Investment Objectives and Goals - TCW Core Fixed Income Portfolio
Dec. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] <span style="color:#000000;font-family:Times New Roman;font-size:22pt;">TCW Core Fixed Income Portfolio</span>
Objective [Heading] <span style="color:#000000;font-family:Times New Roman;font-size:11.5pt;font-weight:bold;">Investment Objective</span>
Objective, Primary [Text Block] Maximize total return consistent with the preservation of capital.