v3.26.1
Goldman Sachs Real Estate Securities Fund Expense Example - Class A C Inst Serv Inv R R6 Shares [Member] - Goldman Sachs Real Estate Securities Fund
Dec. 31, 2025
USD ($)
Class A Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 667
Expense Example, with Redemption, 3 Years 1,011
Expense Example, with Redemption, 5 Years 1,379
Expense Example, with Redemption, 10 Years 2,410
Class C Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 299
Expense Example, with Redemption, 3 Years 717
Expense Example, with Redemption, 5 Years 1,261
Expense Example, with Redemption, 10 Years 2,749
Institutional Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 87
Expense Example, with Redemption, 3 Years 376
Expense Example, with Redemption, 5 Years 687
Expense Example, with Redemption, 10 Years 1,570
Service Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 137
Expense Example, with Redemption, 3 Years 531
Expense Example, with Redemption, 5 Years 950
Expense Example, with Redemption, 10 Years 2,118
Investor Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 98
Expense Example, with Redemption, 3 Years 410
Expense Example, with Redemption, 5 Years 746
Expense Example, with Redemption, 10 Years 1,693
Class R Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 149
Expense Example, with Redemption, 3 Years 565
Expense Example, with Redemption, 5 Years 1,007
Expense Example, with Redemption, 10 Years 2,235
Class R6 Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 86
Expense Example, with Redemption, 3 Years 373
Expense Example, with Redemption, 5 Years 682
Expense Example, with Redemption, 10 Years $ 1,559