v3.26.1
Goldman Sachs Inflation Protected Securities Fund Average Annual Total Returns - Class A C Inst 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. TIPS Index[Member]        
Prospectus [Line Items]        
Average Annual Return, Percent   7.01% 1.12% 3.08%
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   2.55% (0.12%) 2.16%
Performance Inception Date Aug. 31, 2007      
Class A Shares | After Taxes on Distributions        
Prospectus [Line Items]        
Average Annual Return, Percent   0.86% (2.00%) 0.88%
Class A Shares | After Taxes on Distributions and Sales        
Prospectus [Line Items]        
Average Annual Return, Percent   1.49% (0.89%) 1.11%
Class C Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   4.80% (0.12%) 1.78% [1]
Performance Inception Date Aug. 31, 2007      
Institutional Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.01% 0.97% 2.90%
Performance Inception Date Aug. 31, 2007      
Investor Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   6.88% 0.89% 2.81%
Performance Inception Date Nov. 30, 2007      
Class R Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   6.33% 0.39% 2.29%
Performance Inception Date Nov. 30, 2007      
Class R6 Shares        
Prospectus [Line Items]        
Average Annual Return, Percent   7.02% 0.99% 2.91%
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.