3.19.3.a.u2 html 67 149 1 false 36 0 false 2 false false R1.htm 000000 - Document - Document and Entity Information {Elements} Sheet http://www.sectorspdrs.com/role/DocumentDocumentandEntityInformationElements Document and Entity Information 1 false true R2.htm 000011 - Document - Risk/Return Summary {Unlabeled} - The Communication Services Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheCommunicationServicesSelectSectorSPDRFund Risk/Return Summary- The Communication Services Select Sector SPDR Fund 2 false false R7.htm 000019 - Disclosure - Risk/Return Detail Data {Elements} - The Communication Services Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheCommunicationServicesSelectSectorSPDRFund Risk/Return Detail Data- The Communication Services Select Sector SPDR Fund 3 false true R8.htm 000021 - Document - Risk/Return Summary {Unlabeled} - The Consumer Discretionary Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheConsumerDiscretionarySelectSectorSPDRFund Risk/Return Summary- The Consumer Discretionary Select Sector SPDR Fund 4 false false R13.htm 000029 - Disclosure - Risk/Return Detail Data {Elements} - The Consumer Discretionary Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheConsumerDiscretionarySelectSectorSPDRFund Risk/Return Detail Data- The Consumer Discretionary Select Sector SPDR Fund 5 false true R14.htm 000031 - Document - Risk/Return Summary {Unlabeled} - The Consumer Staples Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheConsumerStaplesSelectSectorSPDRFund Risk/Return Summary- The Consumer Staples Select Sector SPDR Fund 6 false false R19.htm 000039 - Disclosure - Risk/Return Detail Data {Elements} - The Consumer Staples Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheConsumerStaplesSelectSectorSPDRFund Risk/Return Detail Data- The Consumer Staples Select Sector SPDR Fund 7 false true R20.htm 000041 - Document - Risk/Return Summary {Unlabeled} - The Energy Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheEnergySelectSectorSPDRFund Risk/Return Summary- The Energy Select Sector SPDR Fund 8 false false R25.htm 000049 - Disclosure - Risk/Return Detail Data {Elements} - The Energy Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheEnergySelectSectorSPDRFund Risk/Return Detail Data- The Energy Select Sector SPDR Fund 9 false true R26.htm 000051 - Document - Risk/Return Summary {Unlabeled} - The Financial Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheFinancialSelectSectorSPDRFund Risk/Return Summary- The Financial Select Sector SPDR Fund 10 false false R31.htm 000059 - Disclosure - Risk/Return Detail Data {Elements} - The Financial Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheFinancialSelectSectorSPDRFund Risk/Return Detail Data- The Financial Select Sector SPDR Fund 11 false true R32.htm 000061 - Document - Risk/Return Summary {Unlabeled} - The Health Care Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheHealthCareSelectSectorSPDRFund Risk/Return Summary- The Health Care Select Sector SPDR Fund 12 false false R37.htm 000069 - Disclosure - Risk/Return Detail Data {Elements} - The Health Care Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheHealthCareSelectSectorSPDRFund Risk/Return Detail Data- The Health Care Select Sector SPDR Fund 13 false true R38.htm 000071 - Document - Risk/Return Summary {Unlabeled} - The Industrial Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheIndustrialSelectSectorSPDRFund Risk/Return Summary- The Industrial Select Sector SPDR Fund 14 false false R43.htm 000079 - Disclosure - Risk/Return Detail Data {Elements} - The Industrial Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheIndustrialSelectSectorSPDRFund Risk/Return Detail Data- The Industrial Select Sector SPDR Fund 15 false true R44.htm 000081 - Document - Risk/Return Summary {Unlabeled} - The Materials Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheMaterialsSelectSectorSPDRFund Risk/Return Summary- The Materials Select Sector SPDR Fund 16 false false R49.htm 000089 - Disclosure - Risk/Return Detail Data {Elements} - The Materials Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheMaterialsSelectSectorSPDRFund Risk/Return Detail Data- The Materials Select Sector SPDR Fund 17 false true R50.htm 000091 - Document - Risk/Return Summary {Unlabeled} - The Real Estate Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheRealEstateSelectSectorSPDRFund Risk/Return Summary- The Real Estate Select Sector SPDR Fund 18 false false R55.htm 000099 - Disclosure - Risk/Return Detail Data {Elements} - The Real Estate Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheRealEstateSelectSectorSPDRFund Risk/Return Detail Data- The Real Estate Select Sector SPDR Fund 19 false true R56.htm 000101 - Document - Risk/Return Summary {Unlabeled} - The Technology Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheTechnologySelectSectorSPDRFund Risk/Return Summary- The Technology Select Sector SPDR Fund 20 false false R61.htm 000109 - Disclosure - Risk/Return Detail Data {Elements} - The Technology Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheTechnologySelectSectorSPDRFund Risk/Return Detail Data- The Technology Select Sector SPDR Fund 21 false true R62.htm 000111 - Document - Risk/Return Summary {Unlabeled} - The Utilities Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DocumentRiskReturnSummaryUnlabeledTheUtilitiesSelectSectorSPDRFund Risk/Return Summary- The Utilities Select Sector SPDR Fund 22 false false R67.htm 000119 - Disclosure - Risk/Return Detail Data {Elements} - The Utilities Select Sector SPDR Fund Sheet http://www.sectorspdrs.com/role/DisclosureRiskReturnDetailDataElementsTheUtilitiesSelectSectorSPDRFund Risk/Return Detail Data- The Utilities Select Sector SPDR Fund 23 false false R68.htm 040000 - Disclosure - Risk/Return Detail Data {Elements} Sheet http://xbrl.sec.gov/rr/role/RiskReturnDetailData Risk/Return Detail Data 24 false false All Reports Book All Reports ssst-20200128.xml ssst-20200128.xsd ssst-20200128_cal.xml ssst-20200128_def.xml ssst-20200128_lab.xml ssst-20200128_pre.xml BarChart1.png BarChart2.png BarChart3.png BarChart4.png BarChart5.png BarChart6.png BarChart7.png BarChart8.png BarChart9.png BarChart10.png BarChart11.png http://xbrl.sec.gov/rr/2018-01-31 http://xbrl.sec.gov/dei/2018-01-31 true true