v3.26.1
Goldman Sachs Financial Square Federal Instruments Fund Average Annual Total Returns - Capital Shares [Member] - Capital Shares
12 Months Ended 60 Months Ended 120 Months Ended
Nov. 30, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Prospectus [Line Items]        
Average Annual Return, Percent   4.01% 3.03% 1.96%
Performance Inception Date Oct. 30, 2015