v3.26.1
Goldman Sachs Core Fixed Income Fund Average Annual Total Returns - Class A C Inst Serv Inv R 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. 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   3.34% (1.47%) 1.55%
Performance Inception Date May 01, 1997      
Class A Shares | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   1.74% (2.67%) 0.35%
Class A Shares | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   1.95% (1.63%) 0.67%
Class C Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   5.50% (1.45%) 1.19% [1]
Performance Inception Date Aug. 15, 1997      
Institutional Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.69% (0.39%) 2.28%
Performance Inception Date Jan. 05, 1994      
Service Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.15% (0.89%) 1.77%
Performance Inception Date Mar. 13, 1996      
Investor Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.61% (0.46%) 2.19%
Performance Inception Date Nov. 30, 2007      
Class R Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.08% (0.96%) 1.68%
Performance Inception Date Nov. 30, 2007      
Class R6 Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.69% (0.38%) 2.31%
Performance Inception Date Jul. 31, 2015      
[1] Class C Shares automatically convert into Class A Shares eight years after the purchase date. The 10-Year performance for Class C Shares does not reflect the conversion to Class A Shares after the first eight years of performance.