3.21.1 html 161 187 1 true 49 0 false 2 false false R1.htm 0001 - Document - Document and Entity Information {Elements} Sheet http://www.gsamfunds.com/role/DocumentAndEntityInformationElements Document and Entity Information 1 false true R2.htm 0002 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Balanced Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsBalancedStrategyPortfolioClassACInstServInvRR6Shares Risk/Return Summary- Goldman Sachs Balanced Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 2 false false R9.htm 0009 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Balanced Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsBalancedStrategyPortfolioClassACInstServInvRR6Shares Risk/Return Detail Data- Goldman Sachs Balanced Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 3 false true R10.htm 0010 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Growth and Income Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsGrowthAndIncomeStrategyPortfolioClassACInstServInvRR6Shares Risk/Return Summary- Goldman Sachs Growth and Income Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 4 false false R17.htm 0017 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Growth and Income Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsGrowthAndIncomeStrategyPortfolioClassACInstServInvRR6Shares Risk/Return Detail Data- Goldman Sachs Growth and Income Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 5 false true R18.htm 0018 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Growth Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsGrowthStrategyPortfolioClassACInstServInvRR6Shares Risk/Return Summary- Goldman Sachs Growth Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 6 false false R25.htm 0025 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Growth Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsGrowthStrategyPortfolioClassACInstServInvRR6Shares Risk/Return Detail Data- Goldman Sachs Growth Strategy Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 7 false true R26.htm 0026 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Satellite Strategies Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsSatelliteStrategiesPortfolioClassACInstServInvRR6Shares Risk/Return Summary- Goldman Sachs Satellite Strategies Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 8 false false R33.htm 0033 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Satellite Strategies Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsSatelliteStrategiesPortfolioClassACInstServInvRR6Shares Risk/Return Detail Data- Goldman Sachs Satellite Strategies Portfolio (Class A, C, Inst, Serv, Inv, R, R6 Shares) 9 false true R34.htm 0034 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Balanced Strategy Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsBalancedStrategyPortfolioClassPShares Risk/Return Summary- Goldman Sachs Balanced Strategy Portfolio (Class P Shares) 10 false false R39.htm 0039 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Balanced Strategy Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsBalancedStrategyPortfolioClassPShares Risk/Return Detail Data- Goldman Sachs Balanced Strategy Portfolio (Class P Shares) 11 false true R40.htm 0040 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Growth and Income Strategy Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsGrowthAndIncomeStrategyPortfolioClassPShares Risk/Return Summary- Goldman Sachs Growth and Income Strategy Portfolio (Class P Shares) 12 false false R45.htm 0045 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Growth and Income Strategy Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsGrowthAndIncomeStrategyPortfolioClassPShares Risk/Return Detail Data- Goldman Sachs Growth and Income Strategy Portfolio (Class P Shares) 13 false true R46.htm 0046 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Growth Strategy Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsGrowthStrategyPortfolioClassPShares Risk/Return Summary- Goldman Sachs Growth Strategy Portfolio (Class P Shares) 14 false false R51.htm 0051 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Growth Strategy Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsGrowthStrategyPortfolioClassPShares Risk/Return Detail Data- Goldman Sachs Growth Strategy Portfolio (Class P Shares) 15 false true R52.htm 0052 - Document - Risk/Return Summary {Unlabeled} - Goldman Sachs Satellite Strategies Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnSummaryUnlabeledGoldmanSachsSatelliteStrategiesPortfolioClassPShares Risk/Return Summary- Goldman Sachs Satellite Strategies Portfolio (Class P Shares) 16 false false R57.htm 0057 - Disclosure - Risk/Return Detail Data {Elements} - Goldman Sachs Satellite Strategies Portfolio (Class P Shares) Sheet http://www.gsamfunds.com/role/RiskReturnDetailDataElementsGoldmanSachsSatelliteStrategiesPortfolioClassPShares Risk/Return Detail Data- Goldman Sachs Satellite Strategies Portfolio (Class P Shares) 17 false false R58.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 18 false false All Reports Book All Reports d123354d485bpos.htm d123354dex99i.htm d123354dex99j.htm gst12-20201231.xsd gst12-20201231_cal.xml gst12-20201231_def.xml gst12-20201231_lab.xml gst12-20201231_pre.xml g123354g1bsp.jpg g123354g1gisp.jpg g123354g1gsp.jpg g123354g1img8803dd7a1.gif g123354g1ssp.jpg g123354g2img4ca4c4dc4.jpg g123354g2img52291beb1.gif g123354g2imgb999c86f2.jpg g123354g2imgce69beb63.jpg g123354g2imgf1675e0b5.jpg BarChart1.png BarChart2.png BarChart3.png BarChart4.png BarChart5.png BarChart6.png BarChart7.png BarChart8.png http://xbrl.sec.gov/dei/2020-01-31 http://xbrl.sec.gov/rr/2018-01-31 true true