Goldman Sachs Mid Cap Growth Fund Average Annual Total Returns - Service Shares [Member] |
12 Months Ended | 60 Months Ended | 120 Months Ended | |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell Midcap® Growth Index[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 8.66% | 6.64% | 12.48% | |
| Russell 3000® Index[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.15% | 13.14% | 14.27% | |
| Service Shares | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 7.36% | 4.67% | 11.58% | |
| Performance Inception Date | Jan. 09, 2006 |