Document and Entity Information |
Total |
|---|---|
| Document And Entity Information | |
| Document Type | 485BPOS |
| Document Period End Date | Dec. 31, 2019 |
| Entity Registrant Name | ELFUN TRUSTS |
| Entity Central Index Key | 0000032339 |
| Entity Inv Company Type | N-1A |
| Amendment Flag | false |
| Document Creation Date | Apr. 24, 2020 |
| Document Effective Date | Apr. 30, 2020 |
| Prospectus Date | Apr. 30, 2020 |