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Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund  
Risk/Return: rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading Goldman Sachs Dynamic Municipal Income Fund—Summary
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Goldman Sachs Dynamic Municipal Income Fund (the "Fund") seeks a high level of current income that is exempt from regular federal income tax.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below. You may qualify for sales charge discounts on purchases of Class A Shares if you invest at least $100,000 in Goldman Sachs Funds. More information about these and other discounts is available from your financial professional and in “Shareholder Guide—Common Questions Applicable to the Purchase of Class A Shares” beginning on page 40 and in “Appendix C—Additional Information About Sales Charge Variations, Waivers and Discounts” on page 81 of the Prospectus and “Other Information Regarding Maximum Sales Charge, Purchases, Redemptions, Exchanges and Dividends” beginning on page B-162 of the Fund’s Statement of Additional Information (“SAI”).
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination July 29, 2022
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs when it buys and sells securities or instruments (i.e., “turns over” its portfolio). A high rate of portfolio turnover may result in increased transaction costs, which must be borne by the Fund and its shareholders, and is also likely to result in higher short-term capital gains for taxable shareholders. These costs are not reflected in the annual fund operating expenses or in the expense example above, but are reflected in the Fund’s performance. The Fund’s portfolio turnover rate for the fiscal year ended March 31, 2021 was 6% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 6.00%
Expenses Deferred Charges [Text Block] rr_ExpensesDeferredChargesTextBlock A contingent deferred sales charge (“CDSC”) of 1% is imposed on Class C Shares redeemed within 12 months of purchase.
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts on purchases of Class A Shares if you invest at least $100,000 in Goldman Sachs Funds. More information about these and other discounts is available from your financial professional and in “Shareholder Guide—Common Questions Applicable to the Purchase of Class A Shares” beginning on page 40 and in “Appendix C—Additional Information About Sales Charge Variations, Waivers and Discounts” on page 81 of the Prospectus and “Other Information Regarding Maximum Sales Charge, Purchases, Redemptions, Exchanges and Dividends” beginning on page B-162 of the Fund’s Statement of Additional Information (“SAI”).
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount $ 100,000
Expense Example [Heading] rr_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in Class A, Class C, Institutional, Service, Investor and/or Class R6 Shares of the Fund for the time periods indicated and then redeem all of your Class A, Class C, Institutional, Service, Investor and/or Class R6 Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (except that the Example incorporates any applicable fee waiver and/or expense limitations arrangements for only the first year). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Assuming complete redemption at end of period
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption Assuming no redemption
Strategy [Heading] rr_StrategyHeading Principal Strategy
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund invests, under normal market conditions, at least 80% of its net assets plus any borrowings for investment purposes (measured at the time of purchase) (“Net Assets”) in fixed income securities issued by or on behalf of states, territories and possessions of the United States (including the District of Columbia) and the political subdivisions, agencies and instrumentalities thereof (“Municipal Securities”), the interest on which is exempt from regular federal income tax (i.e., excluded from gross income for federal income tax purposes). The Fund may invest up to 100% of its Net Assets in private activity bonds, the interest on which (including the Fund’s distributions of such interest) may be a preference item for purposes of the federal alternative minimum tax. 100% of the Fund’s portfolio will be invested in U.S. dollar-denominated securities. The Fund may invest up to 30% of its Net Assets in Municipal Securities that, at the time of purchase, are non-investment grade (commonly referred to as “junk bonds”). Non-investment grade securities are securities rated BB+, Ba1 or below by a nationally recognized statistical rating organization (“NRSRO”), or, if unrated, determined by the Investment Adviser to be of comparable credit quality. The Fund may purchase the securities of issuers that are in default. The Fund may also seek to obtain exposure to fixed income investments through investments in affiliated or unaffiliated investment companies, including exchange-traded funds (“ETFs”). The Fund may focus its investments in issuers within the same state or economic sector. The team uses a multi-faceted approach when evaluating whether to add or maintain exposure to any individual position. A top-down approach is used to assess broad macro trends while a bottom-up analysis is used to determine relative value between individual securities. As part of the team’s fundamental investment process, the team may integrate environmental, social and governance (“ESG”) factors alongside traditional fundamental factors. In addition, individual securities will be considered for purchase or sale based on credit profile, risk, structure, pricing, and portfolio impact, as well as duration management, restructuring, opportunistic trading and tax loss harvesting. No one factor or consideration is determinative in the fundamental investment process. Under normal interest rate conditions, the Fund’s duration is expected to range between two and eight years. (Historically, over the last five years, the duration of the Bloomberg Barclays Municipal Bond 1-10 Year Blend Index has been between approximately 3.77 and 4.11 years). “Duration” is a measure of a debt security’s price sensitivity to changes in interest rates. The longer the duration of the Fund (or an individual debt security), the more sensitive its market price to changes in interest rates. For example, if market interest rates increase by 1%, the market price of a debt security with a positive duration of 3 years will generally decrease by approximately 3%. Conversely, a 1% decline in market interest rates will generally result in an increase of approximately 3% of that security’s market price. The Fund’s benchmark index is the Bloomberg Barclays Municipal Bond 1-10 Year Blend Index.
Risk [Heading] rr_RiskHeading Principal Risks of the Fund
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock Loss of money is a risk of investing in the Fund. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (“FDIC”) or any government agency. The Fund should not be relied upon as a complete investment program. There can be no assurance that the Fund will achieve its investment objective. Investments in the Fund involve substantial risks which prospective investors should consider carefully before investing. The Fund's principal risks are presented below in alphabetical order, and not in the order of importance or potential exposure. Credit/Default Risk. An issuer or guarantor of fixed income securities or instruments held by the Fund (which may have low credit ratings) may default on its obligation to pay interest and repay principal or default on any other obligation. Additionally, the credit quality of securities may deteriorate rapidly, which may impair the Fund’s liquidity and cause significant deterioration in net asset value (“NAV”). These risks are more pronounced in connection with the Fund’s investments in non-investment grade fixed income securities. Geographic and Sector Risk.  If the Fund invests a significant portion of its total assets in certain issuers within the same state, geographic region or economic sector, an adverse economic, business, political, environmental or other development affecting that state, region or sector may affect the value of the Fund’s investments more than if its investments were not so focused. Interest Rate Risk. When interest rates increase, fixed income securities or instruments held by the Fund will generally decline in value. Long-term fixed income securities or instruments will normally have more price volatility because of this risk than short-term fixed income securities or instruments. The risks associated with changing interest rates may have unpredictable effects on the markets and the Fund's investments. Fluctuations in interest rates may also affect the liquidity of fixed income securities and instruments held by the Fund. Large Shareholder Transactions Risk. The Fund may experience adverse effects when certain large shareholders purchase or redeem large amounts of shares of the Fund. Such large shareholder redemptions, which may occur rapidly or unexpectedly, may cause the Fund to sell portfolio securities at times when it would not otherwise do so, which may negatively impact the  Fund's  NAV and liquidity. Similarly, large Fund share purchases may adversely affect the  Fund's  performance to the extent that the Fund is delayed in investing new cash or otherwise maintains a larger cash position than it ordinarily would. These transactions may also accelerate the realization of taxable income to shareholders if such sales of investments resulted in gains, and may also increase transaction costs. In addition, a large redemption could result in the  Fund's  current expenses being allocated over a smaller asset base, leading to an increase in the  Fund's  expense ratio. Liquidity Risk.  The Fund may make investments that are illiquid or that may become less liquid in response to market developments or adverse investor perceptions. Illiquid investments may be more difficult to value. Liquidity risk may also refer to the risk that the Fund will not be able to pay redemption proceeds within the allowable time period because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. To meet redemption requests, the Fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions. Liquidity risk may be the result of, among other things, the reduced number and capacity of traditional market participants to make a market in fixed income securities or the lack of an active market. The potential for liquidity risk may be magnified by a rising interest rate environment or other circumstances where investor redemptions from fixed income funds may be higher than normal, potentially causing increased supply in the market due to selling activity.  Redemptions by large shareholders may have a negative impact on the Fund’s liquidity. Market Risk. The market value of the securities in which the Fund invests may go up or down in response to the prospects of individual companies, particular sectors or governments and/or general economic conditions throughout the world due to increasingly interconnected global economies and financial markets. Events such as war, acts of terrorism, social unrest, natural disasters, the spread of infectious illness or other public health threats could also significantly impact the Fund and its investments. Municipal Securities Risk.  Municipal Securities are subject to credit/default risk, interest rate risk and certain additional risks. The Fund may be more sensitive to adverse economic, business, political, environmental or other developments if it invests a substantial portion of its assets in the bonds of similar projects (such as those relating to education, health care, housing, transportation, and utilities), industrial development bonds, or in particular types of municipal securities (such as general obligation bonds, private activity bonds and moral obligation bonds). While interest earned on Municipal Securities is generally not subject to federal tax, any interest earned on taxable Municipal Securities is fully taxable at the federal level and may be subject to tax at the state level. Non-Investment Grade Fixed Income Securities Risk.  Non-investment grade fixed income securities and unrated securities of comparable credit quality (commonly known as “junk bonds”) are considered speculative and are subject to the increased risk of an issuer’s inability to meet principal and interest payment obligations. These securities may be subject to greater price volatility due to such factors as specific issuer developments, interest rate sensitivity, negative perceptions of the junk bond markets generally and less liquidity. The Fund may purchase the securities of issuers that are in default. Other Investment Companies Risk.  By investing in other investment companies (including ETFs) indirectly through the Fund, investors will incur a proportionate share of the expenses of the other investment companies held by the Fund (including operating costs and investment management fees) in addition to the fees regularly borne by the Fund. In addition, the Fund will be affected by the investment policies, practices and performance of such investment companies in direct proportion to the amount of assets the Fund invests therein.  State/Territory Specific Risk. The Fund’s investments in municipal obligations of issuers located in a particular state or U.S. territory may be adversely affected by political, economic and regulatory developments within that state or U.S. territory. Such developments may affect the financial condition of a state’s or territory’s political subdivisions, agencies, instrumentalities and public authorities and heighten the risks associated with investing in bonds issued by such parties, which could, in turn, adversely affect the Fund’s income, NAV, liquidity, and/or ability to preserve or realize capital appreciation.  Tax Risk. Any proposed or actual changes in income tax rates or the tax-exempt status of interest income from Municipal Securities can significantly affect the demand for and supply, liquidity and marketability of Municipal Securities. Such changes may affect the Fund’s net asset value and ability to acquire and dispose of Municipal Securities at desirable yield and price levels. 
Risk Lose Money [Text] rr_RiskLoseMoney Loss of money is a risk of investing in the Fund.
Risk Not Insured Depository Institution [Text] rr_RiskNotInsuredDepositoryInstitution An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation (“FDIC”) or any government agency.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund’s Institutional Shares from year to year; and (b) how the average annual total returns of the Fund’s Class A, Class C, Institutional, Investor and Class R6 Shares compare to those of a broad-based securities market index. The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available at no cost at www.gsamfunds.com/performance or by calling the appropriate phone number on the back cover of the Prospectus.Performance reflects applicable fee waivers and/or expense limitations in effect during the periods shown.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The bar chart and table below provide an indication of the risks of investing in the Fund by showing: (a) changes in the performance of the Fund’s Institutional Shares from year to year; and (b) how the average annual total returns of the Fund’s Class A, Class C, Institutional, Investor and Class R6 Shares compare to those of a broad-based securities market index.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.gsamfunds.com/performance
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading CALENDAR YEAR ( INSTITUTIONAL)
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock ReturnsQuarter endedYear-to-Date Return2.80%June 30, 2021During the periods shown in the chart above:ReturnsQuarter endedBest Quarter Return4.35%September 30, 2011Worst Quarter Return-4.42%March 31, 2020
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN For the period ended December 31, 2020
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In addition, the after-tax returns shown are not relevant to investors who hold Fund Shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Performance Table One Class of after Tax Shown [Text] rr_PerformanceTableOneClassOfAfterTaxShown The after-tax returns are for Class A Shares only. The after-tax returns for Class C, Institutional, Service, Investor and Class R6 Shares will vary.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock The after-tax returns are for Class A Shares only. The after-tax returns for Class C, Institutional, Service, Investor and Class R6 Shares will vary. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. In addition, the after-tax returns shown are not relevant to investors who hold Fund Shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Class A  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 3.75%
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of original purchase price or sale proceeds) rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 0.35%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.15%
Other Expenses rr_OtherExpensesOverAssets 0.15%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.75%
Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.03%) [2]
Total Annual Fund Operating Expenses After Expense Limitation rr_NetExpensesOverAssets 0.72%
1 Year rr_ExpenseExampleYear01 $ 446
3 Years rr_ExpenseExampleYear03 603
5 Years rr_ExpenseExampleYear05 773
10 Years rr_ExpenseExampleYear10 $ 1,268
1 Year rr_AverageAnnualReturnYear01 (0.31%)
5 Years rr_AverageAnnualReturnYear05 3.24%
10 Years rr_AverageAnnualReturnYear10 4.37%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 20, 1993
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Class C  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of original purchase price or sale proceeds) rr_MaximumDeferredSalesChargeOverOther 1.00% [1]
Management Fees rr_ManagementFeesOverAssets 0.35%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.75%
Service Fees rr_Component1OtherExpensesOverAssets 0.25%
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.15%
Other Expenses rr_OtherExpensesOverAssets 0.40%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.50%
Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.03%) [2]
Total Annual Fund Operating Expenses After Expense Limitation rr_NetExpensesOverAssets 1.47%
1 Year rr_ExpenseExampleYear01 $ 250
3 Years rr_ExpenseExampleYear03 471
5 Years rr_ExpenseExampleYear05 816
10 Years rr_ExpenseExampleYear10 1,788
1 Year rr_ExpenseExampleNoRedemptionYear01 150
3 Years rr_ExpenseExampleNoRedemptionYear03 471
5 Years rr_ExpenseExampleNoRedemptionYear05 816
10 Years rr_ExpenseExampleNoRedemptionYear10 $ 1,788
1 Year rr_AverageAnnualReturnYear01 1.85%
5 Years rr_AverageAnnualReturnYear05 3.27%
10 Years rr_AverageAnnualReturnYear10 3.99% [3]
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 15, 1997
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Institutional  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of original purchase price or sale proceeds) rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 0.35%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.07%
Other Expenses rr_OtherExpensesOverAssets 0.07%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.42%
Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.03%) [2]
Total Annual Fund Operating Expenses After Expense Limitation rr_NetExpensesOverAssets 0.39%
1 Year rr_ExpenseExampleYear01 $ 40
3 Years rr_ExpenseExampleYear03 132
5 Years rr_ExpenseExampleYear05 232
10 Years rr_ExpenseExampleYear10 $ 527
2011 rr_AnnualReturn2011 11.25%
2012 rr_AnnualReturn2012 10.30%
2013 rr_AnnualReturn2013 (3.98%)
2014 rr_AnnualReturn2014 10.53%
2015 rr_AnnualReturn2015 2.01%
2016 rr_AnnualReturn2016 1.38%
2017 rr_AnnualReturn2017 5.96%
2018 rr_AnnualReturn2018 3.11%
2019 rr_AnnualReturn2019 7.66%
2020 rr_AnnualReturn2020 3.92%
Year to Date Return, Label rr_YearToDateReturnLabel Year-to-Date Return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2021
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 2.80%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2011
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 4.35%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (4.42%)
1 Year rr_AverageAnnualReturnYear01 3.92%
5 Years rr_AverageAnnualReturnYear05 4.38%
10 Years rr_AverageAnnualReturnYear10 5.11%
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 15, 1997
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Service  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of original purchase price or sale proceeds) rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 0.35%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets 0.25%
All Other Expenses rr_Component3OtherExpensesOverAssets 0.07%
Other Expenses rr_OtherExpensesOverAssets 0.32%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.92%
Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.03%) [2]
Total Annual Fund Operating Expenses After Expense Limitation rr_NetExpensesOverAssets 0.89%
1 Year rr_ExpenseExampleYear01 $ 91
3 Years rr_ExpenseExampleYear03 290
5 Years rr_ExpenseExampleYear05 506
10 Years rr_ExpenseExampleYear10 $ 1,129
1 Year rr_AverageAnnualReturnYear01 3.39%
5 Years rr_AverageAnnualReturnYear05 3.86%
10 Years rr_AverageAnnualReturnYear10 4.60%
Inception Date rr_AverageAnnualReturnInceptionDate Aug. 15, 1997
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Investor  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of original purchase price or sale proceeds) rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 0.35%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.15%
Other Expenses rr_OtherExpensesOverAssets 0.15%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.50%
Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.03%) [2]
Total Annual Fund Operating Expenses After Expense Limitation rr_NetExpensesOverAssets 0.47%
1 Year rr_ExpenseExampleYear01 $ 48
3 Years rr_ExpenseExampleYear03 157
5 Years rr_ExpenseExampleYear05 277
10 Years rr_ExpenseExampleYear10 $ 625
1 Year rr_AverageAnnualReturnYear01 3.83%
5 Years rr_AverageAnnualReturnYear05 4.29%
10 Years rr_AverageAnnualReturnYear10 5.00%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 30, 2010
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Class R6  
Risk/Return: rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of the lower of original purchase price or sale proceeds) rr_MaximumDeferredSalesChargeOverOther none [1]
Management Fees rr_ManagementFeesOverAssets 0.35%
Distribution and/or Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Service Fees rr_Component1OtherExpensesOverAssets none
Shareholder Administration Fees rr_Component2OtherExpensesOverAssets none
All Other Expenses rr_Component3OtherExpensesOverAssets 0.06%
Other Expenses rr_OtherExpensesOverAssets 0.06%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.41%
Expense Limitation rr_FeeWaiverOrReimbursementOverAssets (0.03%) [2]
Total Annual Fund Operating Expenses After Expense Limitation rr_NetExpensesOverAssets 0.38%
1 Year rr_ExpenseExampleYear01 $ 39
3 Years rr_ExpenseExampleYear03 129
5 Years rr_ExpenseExampleYear05 227
10 Years rr_ExpenseExampleYear10 $ 515
1 Year rr_AverageAnnualReturnYear01 3.92% [4]
5 Years rr_AverageAnnualReturnYear05 4.40% [4]
10 Years rr_AverageAnnualReturnYear10 5.12% [4]
Inception Date rr_AverageAnnualReturnInceptionDate Nov. 30, 2017 [4]
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Returns After Taxes on Distributions | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 (0.39%)
5 Years rr_AverageAnnualReturnYear05 3.19%
10 Years rr_AverageAnnualReturnYear10 4.33%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 20, 1993
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Returns After Taxes on Distributions and Sale of Fund Shares | Class A  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 0.59%
5 Years rr_AverageAnnualReturnYear05 3.06%
10 Years rr_AverageAnnualReturnYear10 4.11%
Inception Date rr_AverageAnnualReturnInceptionDate Jul. 20, 1993
Class A, C, Inst, Serv, Inv, R6 Shares | Goldman Sachs Dynamic Municipal Income Fund | Bloomberg Barclays Municipal Bond 1-10 Year Blend Index (reflects no deduction for fees, expenses or taxes)  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 4.21%
5 Years rr_AverageAnnualReturnYear05 2.95%
10 Years rr_AverageAnnualReturnYear10 3.26%
[1] A contingent deferred sales charge (“CDSC”) of 1% is imposed on Class C Shares redeemed within 12 months of purchase.
[2] The Investment Adviser has agreed to reduce or limit “Other Expenses” (excluding acquired fund fees and expenses, transfer agency fees and expenses, service fees, shareholder administration fees, taxes, interest, brokerage fees, expenses of shareholder meetings, litigation and indemnification, and extraordinary expenses) to 0.004% of the Fund’s average daily net assets. This arrangement will remain in effect through at least July 29, 2022, and prior to such date the Investment Adviser may not terminate the arrangement without the approval of the Board of Trustees.
[3] 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.
[4] Class R6 Shares commenced operations on November 30, 2017. Prior to that date, the performance of Class R6 Shares shown in the table above is that of Institutional Shares. Performance has not been adjusted to reflect the lower expenses of Class R6 Shares. Class R6 Shares would have had higher returns because: (i) Institutional Shares and Class R6 Shares represent interests in the same portfolio of securities; and (ii) Class R6 Shares have lower expenses.