Expense Example - Elfun Income Fund - Elfun Income Fund |
Dec. 31, 2025
USD ($)
|
|---|---|
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 40 |
| Expense Example, with Redemption, 3 Years | 127 |
| Expense Example, with Redemption, 5 Years | 223 |
| Expense Example, with Redemption, 10 Years | $ 504 |