v3.26.1
Goldman Sachs Financial Square Treasury Obligations Fund Average Annual Total Returns - Service Shares [Member] - Service 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   3.66% 2.78% 1.71%
Performance Inception Date Oct. 15, 1991