<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.1.u1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>470</ContextCount>
  <ElementCount>69</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>109</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000000 - Document - Document and Entity Information {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DocumentDocumentandEntityInformationElements</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000019 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Multi-Strategy Alternatives Portfolio (Advisor)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMulti-StrategyAlternativesPortfolioAdvisor</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Multi-Strategy Alternatives Portfolio (Advisor)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000029 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Core Fixed Income Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsCoreFixedIncomeFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Core Fixed Income Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000039 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Trend Driven Allocation Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsTrendDrivenAllocationFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Trend Driven Allocation Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000049 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Mid Cap Growth Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMidCapGrowthFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Mid Cap Growth Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>000059 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Large Cap Value Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsLargeCapValueFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Large Cap Value Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>000069 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Mid Cap Value Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMidCapValueFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Mid Cap Value Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>000079 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Government Money Market Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsGovernmentMoneyMarketFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Government Money Market Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000089 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Multi-Strategy Alternatives Portfolio (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMulti-StrategyAlternativesPortfolioInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Multi-Strategy Alternatives Portfolio (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000099 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Strategic Growth Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsStrategicGrowthFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Strategic Growth Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>000109 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs International Equity Insights Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsInternationalEquityInsightsFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs International Equity Insights Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>000119 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Small Cap Equity Insights Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsSmallCapEquityInsightsFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Small Cap Equity Insights Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>000129 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs US Equity Insights Fund (Institutional)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsUSEquityInsightsFundInstitutional</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs US Equity Insights Fund (Institutional)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>000139 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Core Fixed Income Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsCoreFixedIncomeFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Core Fixed Income Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>000149 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Trend Driven Allocation Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsTrendDrivenAllocationFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Trend Driven Allocation Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>000159 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Mid Cap Growth Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMidCapGrowthFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Mid Cap Growth Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000169 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Large Cap Value Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsLargeCapValueFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Large Cap Value Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>000179 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Mid Cap Value Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMidCapValueFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Mid Cap Value Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>000189 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Government Money Market Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsGovernmentMoneyMarketFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Government Money Market Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>000199 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Multi-Strategy Alternatives Portfolio (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsMulti-StrategyAlternativesPortfolioService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Multi-Strategy Alternatives Portfolio (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>000209 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Strategic Growth Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsStrategicGrowthFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Strategic Growth Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>000219 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs International Equity Insights Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsInternationalEquityInsightsFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs International Equity Insights Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>000229 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs US Equity Insights Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsUSEquityInsightsFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs US Equity Insights Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>000239 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Small Cap Equity Insights Fund (Service)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.gsamfunds.com/role/DisclosureRiskReturnDetailDataElementsGoldmanSachsSmallCapEquityInsightsFundService</Role>
      <ShortName>Risk/Return Detail Data- Goldman Sachs Small Cap Equity Insights Fund (Service)</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="d636801d485bpos.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>040000 - Disclosure - Risk/Return Detail Data {Elements}</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/rr/role/RiskReturnDetailData</Role>
      <ShortName>Risk/Return Detail Data</ShortName>
      <MenuCategory>Risk/Return</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="485BPOS" isN1a="true" isRR="true" isRRorOEF="true" original="d636801d485bpos.htm">d636801d485bpos.htm</File>
    <File>gsam-20240426.xsd</File>
    <File>gsam-20240426_cal.xml</File>
    <File>gsam-20240426_def.xml</File>
    <File>gsam-20240426_lab.xml</File>
    <File>gsam-20240426_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>g636801gsamhorizlogo.gif</File>
    <File>g636801img0298b8a21.jpg</File>
    <File>g636801img07fe3c591.jpg</File>
    <File>g636801img08a5b1441.jpg</File>
    <File>g636801img0c5b82b61.jpg</File>
    <File>g636801img16e0300e1.jpg</File>
    <File>g636801img28b0530d1.jpg</File>
    <File>g636801img2b06c6331.jpg</File>
    <File>g636801img30af29601.jpg</File>
    <File>g636801img4238f6311.jpg</File>
    <File>g636801img613bdcea1.jpg</File>
    <File>g636801img77042e9f1.jpg</File>
    <File>g636801img7d9646951.jpg</File>
    <File>g636801img84a94bb91.jpg</File>
    <File>g636801img8d1ea2651.jpg</File>
    <File>g636801imga244a78c1.jpg</File>
    <File>g636801imga485606d1.jpg</File>
    <File>g636801imgad13c93f1.jpg</File>
    <File>g636801imgcf60c3fa1.jpg</File>
    <File>g636801imge549fee61.jpg</File>
    <File>g636801imge736191b1.jpg</File>
    <File>g636801imgef21becc1.jpg</File>
    <File>g636801imgfe4ee0031.jpg</File>
    <File>g636801lcv_13.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="8">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
    <BaseTaxonomy items="1681">http://xbrl.sec.gov/rr/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
