v3.26.1
Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Goldman Sachs Municipal Income Completion Fund | Separate Account Institutional Shares            
Prospectus [Line Items]            
Annual Return [Percent] 3.61% 5.80% 8.70% (12.18%) 5.44% 5.89%