State Street Emerging Markets Enhanced Index Portfolio Investment Objectives and Goals - State Street Emerging Markets Enhanced Index Portfolio |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | <span style="font-family:Times New Roman;font-size:22pt;">State Street Emerging Markets Enhanced Index Portfolio </span><span style="font-family:Times New Roman;font-size:13pt;font-weight:bold;">(formerly, SSGA Emerging Markets Enhanced Index 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] | To provide total return, primarily through capital appreciation. |