v3.26.1
Goldman Sachs Investment Grade Credit Fund Average Annual Total Returns - Class A Inst Inv Separate Account Inst R6 Shares [Member]
12 Months Ended 60 Months Ended 120 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg U.S. Credit Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   7.83% (0.05%) 3.14%
Bloomberg U.S. Aggregate Bond Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   7.30% (0.36%) 2.01%
Class A Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   3.80% (0.98%) 2.64%
Performance Inception Date Nov. 03, 2003      
Class A Shares | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   1.93% (2.00%) 1.41%
Class A Shares | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   2.22% (0.85%) 1.67%
Institutional Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   8.21% 0.11% 3.38%
Performance Inception Date Nov. 03, 2003      
Investor Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   8.13% 0.03% 3.29%
Performance Inception Date Jul. 29, 2011      
Separate Account Institutional Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   8.22% 0.10% 3.39%
Performance Inception Date Nov. 03, 2003      
Class R6 Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   8.22% 0.12% 3.39%
Performance Inception Date Jul. 31, 2015