Prospectus: 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 Share Class [Axis] Share Classes Series [Axis] Series Coregistrant [Axis] Coregistrant [Domain] Document [Axis] Prospectus S000009362 [Member] Goldman Sachs High Quality Floating Rate Fund Performance Measure [Axis] Before Taxes After Taxes on Distributions After Taxes on Distributions and Sales Advisor [Member] Advisor Operating Expenses Caption [Text] Annual Fund Operating Expenses [Table] Risk/Return [Heading] Objective [Heading] Objective, Primary [Text Block] Expense [Heading] Expense Narrative [Text Block] Shareholder Fees [Table] Expense Example [Heading] Expense Example Narrative [Text Block] Expense Example, With Redemption [Table] Expense Example, No Redemption [Table] Bar Chart [Heading] Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Strategy [Heading] Strategy Narrative [Text Block] Risk [Heading] Risk Narrative [Text Block] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Bar Chart [Table] Bar Chart Closing [Text Block] Performance Table Heading Performance [Table] S000044541 [Member] Goldman Sachs Multi-Strategy Alternatives Portfolio Institutional [Member] Institutional S000009353 [Member] Goldman Sachs Core Fixed Income Fund S000035992 [Member] Goldman Sachs Global Trends Allocation Fund S000009360 [Member] Goldman Sachs Growth Opportunities Fund S000009357 [Member] Goldman Sachs Large Cap Value Fund S000009358 [Member] Goldman Sachs Mid Cap Value Fund S000009354 [Member] Goldman Sachs Government Money Market Fund S000009356 [Member] Goldman Sachs Strategic Growth Fund S000009359 [Member] Goldman Sachs International Equity Insights Fund S000009355 [Member] Goldman Sachs Small Cap Equity Insights Fund Service [Member] Service S000009352 [Member] Goldman Sachs U.S. Equity Insights Fund S000009361 [Member] Goldman Sachs Equity Index Fund C000025655 [Member] Service Shares Service C000025659 [Member] Service Shares Service C000025647 [Member] Service Shares Service C000138560 [Member] Service Shares Service C000025644 [Member] Service Shares C000025653 [Member] Service Shares C000025634 [Member] Service Shares C000025641 [Member] Service Shares C000148078 [Member] Advisor Shares Operating Expenses: Component1 Other Expenses Service Fees Management Fees (as a percentage of Assets) Management Fees Distribution and Service (12b-1) Fees Distribution (12b-1) Fees Distribution and Service (12b-1) Fees Component2 Other Expenses All Other Expenses Other Expenses (as a percentage of Assets): Other Expenses Other Expenses Acquired Fund Fees and Expenses Acquired Fund Fees and Expenses Acquired (Underlying) Fund Fees and Expenses Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses Total Annual Fund Operating Expenses Fee Waiver or Reimbursement Expense Limitation Fee Waiver and Expense Limitation Net Expenses (as a percentage of Assets) Total Annual Fund Operating Expenses After Expense Limitation Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation Total Annual Fund Operating Expenses After Fee Waiver and Expense Limitation C000141036 [Member] Advisor Advisor Shares C000128922 [Member] Institutional Institutional Shares C000133600 [Member] Institutional Institutional Shares C000128923 [Member] Institutional Institutional Shares C000126077 [Member] Institutional Institutional Shares C000025646 [Member] Institutional Institutional Shares C000025649 [Member] Institutional Institutional Shares C000133599 [Member] Institutional Institutional Shares C000138559 [Member] Institutional Institutional Shares C000025643 [Member] Institutional Institutional Shares C000025652 [Member] Institutional Institutional Shares C000025640 [Member] Institutional Institutional Shares C000025636 [Member] Service Service Shares C000025633 [Member] Institutional Institutional Shares C000025657 [Member] Service Service Shares C000110307 [Member] Service Service Shares C000025650 [Member] Service Service Shares C000025638 [Member] Service Service Shares Expense Example: Expense Example, with Redemption, 1 Year 1 Year Expense Example, with Redemption, 3 Years 3 Years Expense Example, with Redemption, 5 Years 5 Years Expense Example, with Redemption, 10 Years 10 Years Bar Chart Table: Annual Return 2011 2011 Annual Return 2012 2012 Annual Return 2013 2013 Annual Return 2014 2014 Annual Return 2015 2015 Annual Return 2016 2016 Annual Return 2017 2017 Annual Return 2018 2018 Annual Return 2019 2019 Annual Return 2020 2020 MSCI EAFE Standard Index [Member] MSCI EAFE Standard Index (Net, USD, Unhedged; reflects no deduction for fees or expenses) ICE BofAML ThreeMonth US Treasury Bill Index [Member] ICE BofAML Three-Month U.S. Treasury Bill Index (reflects no deduction for fees or expenses ICE BofAML Three-Month U.S. Treasury Bill Index (reflects no deduction for fees or expenses) Average Annual Return: 1 Year 1 Year 5 Years 5 Years Since Inception Since Inception Inception Date Inception Date ICE BofAML ThreeMonth LIBOR Constant Maturity Index [Member] ICE BofAML Three-Month LIBOR Constant Maturity Index (reflects no deduction for fees or expenses) Bloomberg Barclays US Aggregate Bond Index [Member] Bloomberg Barclays U.S. Aggregate Bond Index (reflects no deduction for fees or expenses) Sixty MSCI World Forty Bloomberg Barclays US Treasury Index [Member] 60% MSCI World / 40% Bloomberg Barclays U.S. Treasury Index MSCI World Index Net USD Hedged [Member] MSCI World Index (Net, USD, Hedged) (reflects no deduction for fees or expenses) Bloomberg Barclays US Treasury Index [Member] Bloomberg Barclays U.S. Treasury Index (Total Return, USD, Unhedged) (reflects no deduction for fees or expenses) Russell Midcap Growth Index [Member] Russell Midcap® Growth Index (reflects no deduction for fees or expenses) 10 Years 10 Years Russell 1000 Value Index [Member] Russell 1000® Value Index (reflects no deduction for fees or expenses) Russell Midcap Value Index [Member] Russell Midcap® Value Index (reflects no deduction for fees or expenses) Russell 1000 Growth Index [Member] Russell 1000® Growth Index (reflects no deduction for fees or expenses) Russell 2000 Index [Member] Russell 2000® Index (reflects no deduction for fees or expenses) SP 500 Index [Member] S&P 500® Index (reflects no deduction for fees or expenses) S P 500 Index [Member] S&P 500® Index (reflects no deduction for fees or expenses) Portfolio Turnover, Rate Fee Waiver or Reimbursement over Assets, Date of Termination Expenses Restated to Reflect Current [Text] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Performance Information Illustrates Variability of Returns [Text] Risk Lose Money [Text] Risk Nondiversified Status [Text] Risk Not Insured Depository Institution [Text] Performance Availability Website Address [Text] Performance Past Does Not Indicate Future [Text] Highest Quarterly Return, Label Highest Quarterly Return, Date Highest Quarterly Return Lowest Quarterly Return, Label Lowest Quarterly Return, Date Lowest Quarterly Return Risk Money Market Fund Sponsor May Not Provide Support [Text] Risk Money Market Fund May Not Preserve Dollar [Text]