State Street Small Cap Equity VIS Fund Investment Objectives and Goals - State Street Small Cap Equity VIS Fund |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Risk/Return [Heading] | State Street Small-CapEquity V.I.S. Fund |
| Objective [Heading] | <span style="color:#000000;font-family:Arial;font-size:10.02pt;font-weight:bold;">Investment Objective</span> |
| Objective, Primary [Text Block] | The investment objective of the State Street Small-Cap Equity V.I.S. Fund (the “Fund”) is long-term growth of capital. |