v3.26.1
Goldman Sachs Financial Square Treasury Obligations Fund Average Annual Total Returns - Institutional Shares [Member] - Institutional 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   4.17% 3.16% 2.09%
Performance Inception Date Apr. 25, 1990