Prospectus: Document [Axis] Prospectus Coregistrant [Axis] Coregistrant [Domain] Series [Axis] Series Share Class [Axis] Share Classes Prospectus [Line Items] Risk/Return: Document Type Document Period End Date Registrant Name Entity Central Index Key Amendment Flag Document Creation Date Document Effective Date Prospectus Date Entity Inv Company Type Performance Measure [Axis] Before Taxes After Taxes on Distributions After Taxes on Distributions and Sales Shareholder Fees [Table] Annual Fund Operating Expenses [Table] Expense Example, With Redemption [Table] Expense Example, No Redemption [Table] Bar Chart [Table] Performance [Table] Supplement to Prospectus [Text Block] S000009353 [Member] Goldman Sachs Core Fixed Income Fund