State Street Small Cap Equity VIS Fund Annual Fund Operating Expenses - State Street Small Cap Equity VIS Fund - Class 1 |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.95% |
| Distribution and Service (12b-1) Fees | |
| Other Expenses (as a percentage of Assets): | 0.47% |
| Expenses (as a percentage of Assets) | 1.42% |