<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>568</ContextCount>
  <ElementCount>168</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>488</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="eqat-20200428.xml">
      <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.axa-equitablefunds.com/role/DocumentDocumentandEntityInformationElements</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory></MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000011 - Document - Risk/Return Summary {Unlabeled} - EQ/AB Dynamic Aggressive Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQABDynamicAggressiveGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/AB Dynamic Aggressive Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000019 - Disclosure - Risk/Return Detail Data {Elements} - EQ/AB Dynamic Aggressive Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQABDynamicAggressiveGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/AB Dynamic Aggressive Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000021 - Document - Risk/Return Summary {Unlabeled} - EQ/AB Dynamic Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQABDynamicGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/AB Dynamic Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000029 - Disclosure - Risk/Return Detail Data {Elements} - EQ/AB Dynamic Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQABDynamicGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/AB Dynamic Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>000031 - Document - Risk/Return Summary {Unlabeled} - EQ/AB Dynamic Moderate Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQABDynamicModerateGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/AB Dynamic Moderate Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>000039 - Disclosure - Risk/Return Detail Data {Elements} - EQ/AB Dynamic Moderate Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQABDynamicModerateGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/AB Dynamic Moderate Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>000041 - Document - Risk/Return Summary {Unlabeled} - EQ/American Century Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQAmericanCenturyModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/American Century Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>000049 - Disclosure - Risk/Return Detail Data {Elements} - EQ/American Century Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQAmericanCenturyModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/American Century Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>000051 - Document - Risk/Return Summary {Unlabeled} - EQ/AXA Investment Managers Moderate Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQAXAInvestmentManagersModerateAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/AXA Investment Managers Moderate Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>000059 - Disclosure - Risk/Return Detail Data {Elements} - EQ/AXA Investment Managers Moderate Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQAXAInvestmentManagersModerateAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/AXA Investment Managers Moderate Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>000061 - Document - Risk/Return Summary {Unlabeled} - EQ/First Trust Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFirstTrustModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/First Trust Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>000069 - Disclosure - Risk/Return Detail Data {Elements} - EQ/First Trust Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFirstTrustModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/First Trust Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>000071 - Document - Risk/Return Summary {Unlabeled} - EQ/Franklin Balanced Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFranklinBalancedManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Franklin Balanced Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>000079 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Franklin Balanced Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFranklinBalancedManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Franklin Balanced Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>000081 - Document - Risk/Return Summary {Unlabeled} - EQ/Goldman Sachs Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQGoldmanSachsGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Goldman Sachs Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>000089 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Goldman Sachs Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQGoldmanSachsGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Goldman Sachs Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>000091 - Document - Risk/Return Summary {Unlabeled} - EQ/Goldman Sachs Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQGoldmanSachsModerateGrowthAllocationPortfolio000091</Role>
      <ShortName>Risk/Return Summary- EQ/Goldman Sachs Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>000099 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Goldman Sachs Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQGoldmanSachsModerateGrowthAllocationPortfolio000099</Role>
      <ShortName>Risk/Return Detail Data- EQ/Goldman Sachs Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>000101 - Document - Risk/Return Summary {Unlabeled} - EQ/Invesco Moderate Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInvescoModerateAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Invesco Moderate Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>000109 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Invesco Moderate Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoModerateAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Invesco Moderate Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>000111 - Document - Risk/Return Summary {Unlabeled} - EQ/Invesco Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInvescoModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Invesco Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>000119 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Invesco Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Invesco Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>000121 - Document - Risk/Return Summary {Unlabeled} - EQ/JPMorgan Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQJPMorganGrowthAllocationPortfolio000121</Role>
      <ShortName>Risk/Return Summary- EQ/JPMorgan Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>000129 - Disclosure - Risk/Return Detail Data {Elements} - EQ/JPMorgan Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQJPMorganGrowthAllocationPortfolio000129</Role>
      <ShortName>Risk/Return Detail Data- EQ/JPMorgan Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>000131 - Document - Risk/Return Summary {Unlabeled} - EQ/Legg Mason Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLeggMasonGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Legg Mason Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>000139 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Legg Mason Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLeggMasonGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Legg Mason Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>000141 - Document - Risk/Return Summary {Unlabeled} - EQ/Legg Mason Moderate Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLeggMasonModerateAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Legg Mason Moderate Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>000149 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Legg Mason Moderate Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLeggMasonModerateAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Legg Mason Moderate Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>000151 - Document - Risk/Return Summary {Unlabeled} - ATM International Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledATMInternationalManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- ATM International Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>000159 - Disclosure - Risk/Return Detail Data {Elements} - ATM International Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsATMInternationalManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- ATM International Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>000161 - Document - Risk/Return Summary {Unlabeled} - ATM Large Cap Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledATMLargeCapManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- ATM Large Cap Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>000169 - Disclosure - Risk/Return Detail Data {Elements} - ATM Large Cap Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsATMLargeCapManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- ATM Large Cap Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>000171 - Document - Risk/Return Summary {Unlabeled} - ATM Mid Cap Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledATMMidCapManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- ATM Mid Cap Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>000179 - Disclosure - Risk/Return Detail Data {Elements} - ATM Mid Cap Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsATMMidCapManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- ATM Mid Cap Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>000181 - Document - Risk/Return Summary {Unlabeled} - ATM Small Cap Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledATMSmallCapManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- ATM Small Cap Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>000189 - Disclosure - Risk/Return Detail Data {Elements} - ATM Small Cap Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsATMSmallCapManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- ATM Small Cap Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>000191 - Document - Risk/Return Summary {Unlabeled} - EQ/400 Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQ400ManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/400 Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>000199 - Disclosure - Risk/Return Detail Data {Elements} - EQ/400 Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQ400ManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/400 Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>000201 - Document - Risk/Return Summary {Unlabeled} - EQ/500 Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQ500ManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/500 Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>000209 - Disclosure - Risk/Return Detail Data {Elements} - EQ/500 Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQ500ManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/500 Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R150.htm</HtmlFileName>
      <LongName>000211 - Document - Risk/Return Summary {Unlabeled} - EQ/2000 Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQ2000ManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/2000 Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R157.htm</HtmlFileName>
      <LongName>000219 - Disclosure - Risk/Return Detail Data {Elements} - EQ/2000 Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQ2000ManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/2000 Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R158.htm</HtmlFileName>
      <LongName>000221 - Document - Risk/Return Summary {Unlabeled} - EQ/AB Small Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQABSmallCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/AB Small Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R165.htm</HtmlFileName>
      <LongName>000229 - Disclosure - Risk/Return Detail Data {Elements} - EQ/AB Small Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQABSmallCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/AB Small Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R166.htm</HtmlFileName>
      <LongName>000231 - Document - Risk/Return Summary {Unlabeled} - EQ/American Century Mid Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQAmericanCenturyMidCapValuePortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/American Century Mid Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R173.htm</HtmlFileName>
      <LongName>000239 - Disclosure - Risk/Return Detail Data {Elements} - EQ/American Century Mid Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQAmericanCenturyMidCapValuePortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/American Century Mid Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R174.htm</HtmlFileName>
      <LongName>000241 - Document - Risk/Return Summary {Unlabeled} - EQ/BlackRock Basic Value Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQBlackRockBasicValueEquityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/BlackRock Basic Value Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R181.htm</HtmlFileName>
      <LongName>000249 - Disclosure - Risk/Return Detail Data {Elements} - EQ/BlackRock Basic Value Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQBlackRockBasicValueEquityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/BlackRock Basic Value Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R182.htm</HtmlFileName>
      <LongName>000251 - Document - Risk/Return Summary {Unlabeled} - EQ/Capital Group Research Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQCapitalGroupResearchPortfolio000251</Role>
      <ShortName>Risk/Return Summary- EQ/Capital Group Research Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R189.htm</HtmlFileName>
      <LongName>000259 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Capital Group Research Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQCapitalGroupResearchPortfolio000259</Role>
      <ShortName>Risk/Return Detail Data- EQ/Capital Group Research Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R190.htm</HtmlFileName>
      <LongName>000261 - Document - Risk/Return Summary {Unlabeled} - EQ/Clearbridge Large Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQClearbridgeLargeCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Clearbridge Large Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R197.htm</HtmlFileName>
      <LongName>000269 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Clearbridge Large Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQClearbridgeLargeCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Clearbridge Large Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R198.htm</HtmlFileName>
      <LongName>000271 - Document - Risk/Return Summary {Unlabeled} - EQ/ClearBridge Select Equity Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQClearBridgeSelectEquityManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/ClearBridge Select Equity Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R205.htm</HtmlFileName>
      <LongName>000279 - Disclosure - Risk/Return Detail Data {Elements} - EQ/ClearBridge Select Equity Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQClearBridgeSelectEquityManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/ClearBridge Select Equity Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R206.htm</HtmlFileName>
      <LongName>000281 - Document - Risk/Return Summary {Unlabeled} - EQ/Common Stock Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQCommonStockIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Common Stock Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R213.htm</HtmlFileName>
      <LongName>000289 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Common Stock Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQCommonStockIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Common Stock Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R214.htm</HtmlFileName>
      <LongName>000291 - Document - Risk/Return Summary {Unlabeled} - EQ/Emerging Markets Equity PLUS Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQEmergingMarketsEquityPLUSPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Emerging Markets Equity PLUS Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R221.htm</HtmlFileName>
      <LongName>000299 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Emerging Markets Equity PLUS Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQEmergingMarketsEquityPLUSPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Emerging Markets Equity PLUS Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R222.htm</HtmlFileName>
      <LongName>000301 - Document - Risk/Return Summary {Unlabeled} - EQ/Equity 500 Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQEquity500IndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Equity 500 Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R229.htm</HtmlFileName>
      <LongName>000309 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Equity 500 Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQEquity500IndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Equity 500 Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R230.htm</HtmlFileName>
      <LongName>000311 - Document - Risk/Return Summary {Unlabeled} - EQ/Fidelity Institutional AM Large Cap Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFidelityInstitutionalAMLargeCapPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Fidelity Institutional AM Large Cap Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R237.htm</HtmlFileName>
      <LongName>000319 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Fidelity Institutional AM Large Cap Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFidelityInstitutionalAMLargeCapPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Fidelity Institutional AM Large Cap Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R238.htm</HtmlFileName>
      <LongName>000321 - Document - Risk/Return Summary {Unlabeled} - EQ/Franklin Rising Dividends Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFranklinRisingDividendsPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Franklin Rising Dividends Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R245.htm</HtmlFileName>
      <LongName>000329 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Franklin Rising Dividends Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFranklinRisingDividendsPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Franklin Rising Dividends Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R246.htm</HtmlFileName>
      <LongName>000331 - Document - Risk/Return Summary {Unlabeled} - EQ/Franklin Small Cap Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFranklinSmallCapValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Franklin Small Cap Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R253.htm</HtmlFileName>
      <LongName>000339 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Franklin Small Cap Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFranklinSmallCapValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Franklin Small Cap Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R254.htm</HtmlFileName>
      <LongName>000341 - Document - Risk/Return Summary {Unlabeled} - EQ/Global Equity Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQGlobalEquityManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Global Equity Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R261.htm</HtmlFileName>
      <LongName>000349 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Global Equity Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQGlobalEquityManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Global Equity Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R262.htm</HtmlFileName>
      <LongName>000351 - Document - Risk/Return Summary {Unlabeled} - EQ/Goldman Sachs Mid Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQGoldmanSachsMidCapValuePortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Goldman Sachs Mid Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R269.htm</HtmlFileName>
      <LongName>000359 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Goldman Sachs Mid Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQGoldmanSachsMidCapValuePortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Goldman Sachs Mid Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R270.htm</HtmlFileName>
      <LongName>000361 - Document - Risk/Return Summary {Unlabeled} - EQ/International Core Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInternationalCoreManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/International Core Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R277.htm</HtmlFileName>
      <LongName>000369 - Disclosure - Risk/Return Detail Data {Elements} - EQ/International Core Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalCoreManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/International Core Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R278.htm</HtmlFileName>
      <LongName>000371 - Document - Risk/Return Summary {Unlabeled} - EQ/International Equity Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInternationalEquityIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/International Equity Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R285.htm</HtmlFileName>
      <LongName>000379 - Disclosure - Risk/Return Detail Data {Elements} - EQ/International Equity Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalEquityIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/International Equity Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R286.htm</HtmlFileName>
      <LongName>000381 - Document - Risk/Return Summary {Unlabeled} - EQ/International Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInternationalManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/International Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R293.htm</HtmlFileName>
      <LongName>000389 - Disclosure - Risk/Return Detail Data {Elements} - EQ/International Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/International Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R294.htm</HtmlFileName>
      <LongName>000391 - Document - Risk/Return Summary {Unlabeled} - EQ/International Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInternationalValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/International Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R301.htm</HtmlFileName>
      <LongName>000399 - Disclosure - Risk/Return Detail Data {Elements} - EQ/International Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/International Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R302.htm</HtmlFileName>
      <LongName>000401 - Document - Risk/Return Summary {Unlabeled} - EQ/Invesco Comstock Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInvescoComstockPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Invesco Comstock Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R309.htm</HtmlFileName>
      <LongName>000409 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Invesco Comstock Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoComstockPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Invesco Comstock Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R310.htm</HtmlFileName>
      <LongName>000411 - Document - Risk/Return Summary {Unlabeled} - EQ/Invesco Global Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInvescoGlobalPortfolio000411</Role>
      <ShortName>Risk/Return Summary- EQ/Invesco Global Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R317.htm</HtmlFileName>
      <LongName>000419 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Invesco Global Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoGlobalPortfolio000419</Role>
      <ShortName>Risk/Return Detail Data- EQ/Invesco Global Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R318.htm</HtmlFileName>
      <LongName>000421 - Document - Risk/Return Summary {Unlabeled} - EQ/Invesco International Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInvescoInternationalGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Invesco International Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R325.htm</HtmlFileName>
      <LongName>000429 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Invesco International Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoInternationalGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Invesco International Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R326.htm</HtmlFileName>
      <LongName>000431 - Document - Risk/Return Summary {Unlabeled} - EQ/Janus Enterprise Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQJanusEnterprisePortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Janus Enterprise Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R333.htm</HtmlFileName>
      <LongName>000439 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Janus Enterprise Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQJanusEnterprisePortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Janus Enterprise Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R334.htm</HtmlFileName>
      <LongName>000441 - Document - Risk/Return Summary {Unlabeled} - EQ/JPMorgan Value Opportunities Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQJPMorganValueOpportunitiesPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/JPMorgan Value Opportunities Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R341.htm</HtmlFileName>
      <LongName>000449 - Disclosure - Risk/Return Detail Data {Elements} - EQ/JPMorgan Value Opportunities Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQJPMorganValueOpportunitiesPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/JPMorgan Value Opportunities Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R342.htm</HtmlFileName>
      <LongName>000451 - Document - Risk/Return Summary {Unlabeled} - EQ/Large Cap Core Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLargeCapCoreManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Large Cap Core Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R349.htm</HtmlFileName>
      <LongName>000459 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Large Cap Core Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLargeCapCoreManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Large Cap Core Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R350.htm</HtmlFileName>
      <LongName>000461 - Document - Risk/Return Summary {Unlabeled} - EQ/Large Cap Growth Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLargeCapGrowthIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Large Cap Growth Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R357.htm</HtmlFileName>
      <LongName>000469 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Large Cap Growth Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLargeCapGrowthIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Large Cap Growth Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R358.htm</HtmlFileName>
      <LongName>000471 - Document - Risk/Return Summary {Unlabeled} - EQ/Large Cap Growth Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLargeCapGrowthManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Large Cap Growth Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R365.htm</HtmlFileName>
      <LongName>000479 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Large Cap Growth Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLargeCapGrowthManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Large Cap Growth Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R366.htm</HtmlFileName>
      <LongName>000481 - Document - Risk/Return Summary {Unlabeled} - EQ/Large Cap Value Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLargeCapValueIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Large Cap Value Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R373.htm</HtmlFileName>
      <LongName>000489 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Large Cap Value Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLargeCapValueIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Large Cap Value Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R374.htm</HtmlFileName>
      <LongName>000491 - Document - Risk/Return Summary {Unlabeled} - EQ/Large Cap Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLargeCapValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Large Cap Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R381.htm</HtmlFileName>
      <LongName>000499 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Large Cap Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLargeCapValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Large Cap Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R382.htm</HtmlFileName>
      <LongName>000501 - Document - Risk/Return Summary {Unlabeled} - EQ/Lazard Emerging Markets Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLazardEmergingMarketsEquityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Lazard Emerging Markets Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R389.htm</HtmlFileName>
      <LongName>000509 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Lazard Emerging Markets Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLazardEmergingMarketsEquityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Lazard Emerging Markets Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R390.htm</HtmlFileName>
      <LongName>000511 - Document - Risk/Return Summary {Unlabeled} - EQ/Loomis Sayles Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQLoomisSaylesGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Loomis Sayles Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R397.htm</HtmlFileName>
      <LongName>000519 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Loomis Sayles Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQLoomisSaylesGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Loomis Sayles Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R398.htm</HtmlFileName>
      <LongName>000521 - Document - Risk/Return Summary {Unlabeled} - EQ/MFS International Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMFSInternationalGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/MFS International Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R405.htm</HtmlFileName>
      <LongName>000529 - Disclosure - Risk/Return Detail Data {Elements} - EQ/MFS International Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSInternationalGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/MFS International Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R406.htm</HtmlFileName>
      <LongName>000531 - Document - Risk/Return Summary {Unlabeled} - EQ/MFS International Intrinsic Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMFSInternationalIntrinsicValuePortfolio000531</Role>
      <ShortName>Risk/Return Summary- EQ/MFS International Intrinsic Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R413.htm</HtmlFileName>
      <LongName>000539 - Disclosure - Risk/Return Detail Data {Elements} - EQ/MFS International Intrinsic Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSInternationalIntrinsicValuePortfolio000539</Role>
      <ShortName>Risk/Return Detail Data- EQ/MFS International Intrinsic Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R414.htm</HtmlFileName>
      <LongName>000541 - Document - Risk/Return Summary {Unlabeled} - EQ/MFS Mid Cap Focused Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMFSMidCapFocusedGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/MFS Mid Cap Focused Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R421.htm</HtmlFileName>
      <LongName>000549 - Disclosure - Risk/Return Detail Data {Elements} - EQ/MFS Mid Cap Focused Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSMidCapFocusedGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/MFS Mid Cap Focused Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R422.htm</HtmlFileName>
      <LongName>000551 - Document - Risk/Return Summary {Unlabeled} - EQ/Mid Cap Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMidCapIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Mid Cap Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R429.htm</HtmlFileName>
      <LongName>000559 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Mid Cap Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMidCapIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Mid Cap Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R430.htm</HtmlFileName>
      <LongName>000561 - Document - Risk/Return Summary {Unlabeled} - EQ/Mid Cap Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMidCapValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Mid Cap Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R437.htm</HtmlFileName>
      <LongName>000569 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Mid Cap Value Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMidCapValueManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Mid Cap Value Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R438.htm</HtmlFileName>
      <LongName>000571 - Document - Risk/Return Summary {Unlabeled} - EQ/Morgan Stanley Small Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMorganStanleySmallCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Morgan Stanley Small Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R445.htm</HtmlFileName>
      <LongName>000579 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Morgan Stanley Small Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMorganStanleySmallCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Morgan Stanley Small Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R446.htm</HtmlFileName>
      <LongName>000581 - Document - Risk/Return Summary {Unlabeled} - EQ/Small Company Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQSmallCompanyIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Small Company Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R453.htm</HtmlFileName>
      <LongName>000589 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Small Company Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQSmallCompanyIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Small Company Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R454.htm</HtmlFileName>
      <LongName>000591 - Document - Risk/Return Summary {Unlabeled} - EQ/T. Rowe Price Growth Stock Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQT.RowePriceGrowthStockPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/T. Rowe Price Growth Stock Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R461.htm</HtmlFileName>
      <LongName>000599 - Disclosure - Risk/Return Detail Data {Elements} - EQ/T. Rowe Price Growth Stock Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQT.RowePriceGrowthStockPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/T. Rowe Price Growth Stock Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R462.htm</HtmlFileName>
      <LongName>000601 - Document - Risk/Return Summary {Unlabeled} - EQ/Templeton Global Equity Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQTempletonGlobalEquityManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Templeton Global Equity Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R469.htm</HtmlFileName>
      <LongName>000609 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Templeton Global Equity Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQTempletonGlobalEquityManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Templeton Global Equity Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R470.htm</HtmlFileName>
      <LongName>000611 - Document - Risk/Return Summary {Unlabeled} - EQ/UBS Growth and Income Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQUBSGrowthandIncomePortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/UBS Growth and Income Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R477.htm</HtmlFileName>
      <LongName>000619 - Disclosure - Risk/Return Detail Data {Elements} - EQ/UBS Growth and Income Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQUBSGrowthandIncomePortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/UBS Growth and Income Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R478.htm</HtmlFileName>
      <LongName>000621 - Document - Risk/Return Summary {Unlabeled} - Multimanager Aggressive Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledMultimanagerAggressiveEquityPortfolio</Role>
      <ShortName>Risk/Return Summary- Multimanager Aggressive Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R485.htm</HtmlFileName>
      <LongName>000629 - Disclosure - Risk/Return Detail Data {Elements} - Multimanager Aggressive Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsMultimanagerAggressiveEquityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Multimanager Aggressive Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R486.htm</HtmlFileName>
      <LongName>000631 - Document - Risk/Return Summary {Unlabeled} - Multimanager Mid Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledMultimanagerMidCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Summary- Multimanager Mid Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R493.htm</HtmlFileName>
      <LongName>000639 - Disclosure - Risk/Return Detail Data {Elements} - Multimanager Mid Cap Growth Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsMultimanagerMidCapGrowthPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Multimanager Mid Cap Growth Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R494.htm</HtmlFileName>
      <LongName>000641 - Document - Risk/Return Summary {Unlabeled} - Multimanager Mid Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledMultimanagerMidCapValuePortfolio</Role>
      <ShortName>Risk/Return Summary- Multimanager Mid Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R501.htm</HtmlFileName>
      <LongName>000649 - Disclosure - Risk/Return Detail Data {Elements} - Multimanager Mid Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsMultimanagerMidCapValuePortfolio</Role>
      <ShortName>Risk/Return Detail Data- Multimanager Mid Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R502.htm</HtmlFileName>
      <LongName>000651 - Document - Risk/Return Summary {Unlabeled} - EQ/AB Short Duration Government Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQABShortDurationGovernmentBondPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/AB Short Duration Government Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R509.htm</HtmlFileName>
      <LongName>000659 - Disclosure - Risk/Return Detail Data {Elements} - EQ/AB Short Duration Government Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQABShortDurationGovernmentBondPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/AB Short Duration Government Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R510.htm</HtmlFileName>
      <LongName>000661 - Document - Risk/Return Summary {Unlabeled} - EQ/Core Bond Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQCoreBondIndexPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Core Bond Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R517.htm</HtmlFileName>
      <LongName>000669 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Core Bond Index Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQCoreBondIndexPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Core Bond Index Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R518.htm</HtmlFileName>
      <LongName>000671 - Document - Risk/Return Summary {Unlabeled} - EQ/Franklin Strategic Income Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFranklinStrategicIncomePortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Franklin Strategic Income Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R525.htm</HtmlFileName>
      <LongName>000679 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Franklin Strategic Income Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFranklinStrategicIncomePortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Franklin Strategic Income Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R526.htm</HtmlFileName>
      <LongName>000681 - Document - Risk/Return Summary {Unlabeled} - EQ/Global Bond PLUS Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQGlobalBondPLUSPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Global Bond PLUS Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R533.htm</HtmlFileName>
      <LongName>000689 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Global Bond PLUS Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQGlobalBondPLUSPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Global Bond PLUS Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R534.htm</HtmlFileName>
      <LongName>000691 - Document - Risk/Return Summary {Unlabeled} - EQ/Intermediate Government Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQIntermediateGovernmentBondPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Intermediate Government Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>138</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R541.htm</HtmlFileName>
      <LongName>000699 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Intermediate Government Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQIntermediateGovernmentBondPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Intermediate Government Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R542.htm</HtmlFileName>
      <LongName>000701 - Document - Risk/Return Summary {Unlabeled} - EQ/Money Market Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMoneyMarketPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Money Market Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R549.htm</HtmlFileName>
      <LongName>000709 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Money Market Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMoneyMarketPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Money Market Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R550.htm</HtmlFileName>
      <LongName>000711 - Document - Risk/Return Summary {Unlabeled} - EQ/PIMCO Global Real Return Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQPIMCOGlobalRealReturnPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/PIMCO Global Real Return Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>142</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R557.htm</HtmlFileName>
      <LongName>000719 - Disclosure - Risk/Return Detail Data {Elements} - EQ/PIMCO Global Real Return Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQPIMCOGlobalRealReturnPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/PIMCO Global Real Return Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R558.htm</HtmlFileName>
      <LongName>000721 - Document - Risk/Return Summary {Unlabeled} - EQ/PIMCO Real Return Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQPIMCORealReturnPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/PIMCO Real Return Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R565.htm</HtmlFileName>
      <LongName>000729 - Disclosure - Risk/Return Detail Data {Elements} - EQ/PIMCO Real Return Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQPIMCORealReturnPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/PIMCO Real Return Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R566.htm</HtmlFileName>
      <LongName>000731 - Document - Risk/Return Summary {Unlabeled} - EQ/PIMCO Total Return Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQPIMCOTotalReturnPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/PIMCO Total Return Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>146</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R573.htm</HtmlFileName>
      <LongName>000739 - Disclosure - Risk/Return Detail Data {Elements} - EQ/PIMCO Total Return Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQPIMCOTotalReturnPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/PIMCO Total Return Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>147</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R574.htm</HtmlFileName>
      <LongName>000741 - Document - Risk/Return Summary {Unlabeled} - EQ/PIMCO Ultra Short Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQPIMCOUltraShortBondPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/PIMCO Ultra Short Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R581.htm</HtmlFileName>
      <LongName>000749 - Disclosure - Risk/Return Detail Data {Elements} - EQ/PIMCO Ultra Short Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQPIMCOUltraShortBondPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/PIMCO Ultra Short Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>149</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R582.htm</HtmlFileName>
      <LongName>000751 - Document - Risk/Return Summary {Unlabeled} - EQ/Quality Bond PLUS Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQQualityBondPLUSPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Quality Bond PLUS Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>150</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R589.htm</HtmlFileName>
      <LongName>000759 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Quality Bond PLUS Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQQualityBondPLUSPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Quality Bond PLUS Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>151</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R590.htm</HtmlFileName>
      <LongName>000761 - Document - Risk/Return Summary {Unlabeled} - Multimanager Core Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledMultimanagerCoreBondPortfolio</Role>
      <ShortName>Risk/Return Summary- Multimanager Core Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>152</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R597.htm</HtmlFileName>
      <LongName>000769 - Disclosure - Risk/Return Detail Data {Elements} - Multimanager Core Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsMultimanagerCoreBondPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Multimanager Core Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>153</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R598.htm</HtmlFileName>
      <LongName>000771 - Document - Risk/Return Summary {Unlabeled} - EQ/Invesco Global Real Estate Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQInvescoGlobalRealEstatePortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Invesco Global Real Estate Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>154</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R605.htm</HtmlFileName>
      <LongName>000779 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Invesco Global Real Estate Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoGlobalRealEstatePortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Invesco Global Real Estate Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>155</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R606.htm</HtmlFileName>
      <LongName>000781 - Document - Risk/Return Summary {Unlabeled} - EQ/MFS Technology Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMFSTechnologyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/MFS Technology Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>156</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R613.htm</HtmlFileName>
      <LongName>000789 - Disclosure - Risk/Return Detail Data {Elements} - EQ/MFS Technology Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSTechnologyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/MFS Technology Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>157</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R614.htm</HtmlFileName>
      <LongName>000791 - Document - Risk/Return Summary {Unlabeled} - EQ/MFS Technology II Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMFSTechnologyIIPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/MFS Technology II Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>158</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R621.htm</HtmlFileName>
      <LongName>000799 - Disclosure - Risk/Return Detail Data {Elements} - EQ/MFS Technology II Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSTechnologyIIPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/MFS Technology II Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>159</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R622.htm</HtmlFileName>
      <LongName>000801 - Document - Risk/Return Summary {Unlabeled} - EQ/MFS Utilities Series Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQMFSUtilitiesSeriesPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/MFS Utilities Series Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>160</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R629.htm</HtmlFileName>
      <LongName>000809 - Disclosure - Risk/Return Detail Data {Elements} - EQ/MFS Utilities Series Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSUtilitiesSeriesPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/MFS Utilities Series Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>161</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R630.htm</HtmlFileName>
      <LongName>000811 - Document - Risk/Return Summary {Unlabeled} - EQ/T. Rowe Price Health Sciences Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQT.RowePriceHealthSciencesPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/T. Rowe Price Health Sciences Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>162</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R637.htm</HtmlFileName>
      <LongName>000819 - Disclosure - Risk/Return Detail Data {Elements} - EQ/T. Rowe Price Health Sciences Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQT.RowePriceHealthSciencesPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/T. Rowe Price Health Sciences Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>163</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R638.htm</HtmlFileName>
      <LongName>000821 - Document - Risk/Return Summary {Unlabeled} - EQ/Wellington Energy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQWellingtonEnergyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Wellington Energy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>164</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R645.htm</HtmlFileName>
      <LongName>000829 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Wellington Energy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQWellingtonEnergyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Wellington Energy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>165</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R646.htm</HtmlFileName>
      <LongName>000831 - Document - Risk/Return Summary {Unlabeled} - Multimanager Technology Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledMultimanagerTechnologyPortfolio</Role>
      <ShortName>Risk/Return Summary- Multimanager Technology Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>166</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R653.htm</HtmlFileName>
      <LongName>000839 - Disclosure - Risk/Return Detail Data {Elements} - Multimanager Technology Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsMultimanagerTechnologyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- Multimanager Technology Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>167</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R654.htm</HtmlFileName>
      <LongName>000841 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Equity Income Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTEquityIncomePortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Equity Income Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>168</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R661.htm</HtmlFileName>
      <LongName>000849 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Equity Income Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTEquityIncomePortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Equity Income Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>169</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R662.htm</HtmlFileName>
      <LongName>000851 - Document - Risk/Return Summary {Unlabeled} - 1290 VT GAMCO Small Company Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTGAMCOSmallCompanyValuePortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT GAMCO Small Company Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>170</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R669.htm</HtmlFileName>
      <LongName>000859 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT GAMCO Small Company Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTGAMCOSmallCompanyValuePortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT GAMCO Small Company Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>171</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R670.htm</HtmlFileName>
      <LongName>000861 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Low Volatility Global Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTLowVolatilityGlobalEquityPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Low Volatility Global Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>172</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R677.htm</HtmlFileName>
      <LongName>000869 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Low Volatility Global Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTLowVolatilityGlobalEquityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Low Volatility Global Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>173</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R678.htm</HtmlFileName>
      <LongName>000871 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Micro Cap Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTMicroCapPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Micro Cap Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>174</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R685.htm</HtmlFileName>
      <LongName>000879 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Micro Cap Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTMicroCapPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Micro Cap Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>175</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R686.htm</HtmlFileName>
      <LongName>000881 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Small Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTSmallCapValuePortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Small Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>176</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R693.htm</HtmlFileName>
      <LongName>000889 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Small Cap Value Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTSmallCapValuePortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Small Cap Value Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>177</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R694.htm</HtmlFileName>
      <LongName>000891 - Document - Risk/Return Summary {Unlabeled} - 1290 VT SmartBeta Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTSmartBetaEquityPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT SmartBeta Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>178</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R701.htm</HtmlFileName>
      <LongName>000899 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT SmartBeta Equity Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTSmartBetaEquityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT SmartBeta Equity Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>179</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R702.htm</HtmlFileName>
      <LongName>000901 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Socially Responsible Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTSociallyResponsiblePortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Socially Responsible Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>180</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R709.htm</HtmlFileName>
      <LongName>000909 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Socially Responsible Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTSociallyResponsiblePortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Socially Responsible Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>181</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R710.htm</HtmlFileName>
      <LongName>000911 - Document - Risk/Return Summary {Unlabeled} - 1290 VT DoubleLine Opportunistic Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTDoubleLineOpportunisticBondPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT DoubleLine Opportunistic Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>182</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R717.htm</HtmlFileName>
      <LongName>000919 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT DoubleLine Opportunistic Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTDoubleLineOpportunisticBondPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT DoubleLine Opportunistic Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>183</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R718.htm</HtmlFileName>
      <LongName>000921 - Document - Risk/Return Summary {Unlabeled} - 1290 VT High Yield Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTHighYieldBondPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT High Yield Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>184</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R725.htm</HtmlFileName>
      <LongName>000929 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT High Yield Bond Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTHighYieldBondPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT High Yield Bond Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>185</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R726.htm</HtmlFileName>
      <LongName>000931 - Document - Risk/Return Summary {Unlabeled} - 1290 VT DoubleLine Dynamic Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTDoubleLineDynamicAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT DoubleLine Dynamic Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>186</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R733.htm</HtmlFileName>
      <LongName>000939 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT DoubleLine Dynamic Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTDoubleLineDynamicAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT DoubleLine Dynamic Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>187</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R734.htm</HtmlFileName>
      <LongName>000941 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>188</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R739.htm</HtmlFileName>
      <LongName>000949 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Moderate Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTModerateGrowthAllocationPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Moderate Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>189</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R740.htm</HtmlFileName>
      <LongName>000951 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Convertible Securities Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTConvertibleSecuritiesPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Convertible Securities Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>190</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R747.htm</HtmlFileName>
      <LongName>000959 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Convertible Securities Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTConvertibleSecuritiesPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Convertible Securities Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>191</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R748.htm</HtmlFileName>
      <LongName>000961 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Energy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTEnergyPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Energy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>192</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R755.htm</HtmlFileName>
      <LongName>000969 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Energy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTEnergyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Energy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>193</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R756.htm</HtmlFileName>
      <LongName>000971 - Document - Risk/Return Summary {Unlabeled} - 1290 VT GAMCO Mergers &amp; Acquisitions Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTGAMCOMergersAcquisitionsPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT GAMCO Mergers &amp; Acquisitions Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>194</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R763.htm</HtmlFileName>
      <LongName>000979 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT GAMCO Mergers &amp; Acquisitions Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTGAMCOMergersAcquisitionsPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT GAMCO Mergers &amp; Acquisitions Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>195</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R764.htm</HtmlFileName>
      <LongName>000981 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Multi-Alternative Strategies Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTMulti-AlternativeStrategiesPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Multi-Alternative Strategies Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>196</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R771.htm</HtmlFileName>
      <LongName>000989 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Multi-Alternative Strategies Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTMulti-AlternativeStrategiesPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Multi-Alternative Strategies Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>197</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R772.htm</HtmlFileName>
      <LongName>000991 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Natural Resources Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTNaturalResourcesPortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Natural Resources Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>198</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R779.htm</HtmlFileName>
      <LongName>000999 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Natural Resources Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTNaturalResourcesPortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Natural Resources Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>199</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R780.htm</HtmlFileName>
      <LongName>001001 - Document - Risk/Return Summary {Unlabeled} - 1290 VT Real Estate Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeled1290VTRealEstatePortfolio</Role>
      <ShortName>Risk/Return Summary- 1290 VT Real Estate Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>200</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R787.htm</HtmlFileName>
      <LongName>001009 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Real Estate Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElements1290VTRealEstatePortfolio</Role>
      <ShortName>Risk/Return Detail Data- 1290 VT Real Estate Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>201</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R788.htm</HtmlFileName>
      <LongName>001011 - Document - Risk/Return Summary {Unlabeled} - EQ/Ultra Conservative Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQUltraConservativeStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Ultra Conservative Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>202</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R795.htm</HtmlFileName>
      <LongName>001019 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Ultra Conservative Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQUltraConservativeStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Ultra Conservative Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>203</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R796.htm</HtmlFileName>
      <LongName>001021 - Document - Risk/Return Summary {Unlabeled} - EQ/Conservative Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQConservativeStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Conservative Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>204</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R803.htm</HtmlFileName>
      <LongName>001029 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Conservative Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQConservativeStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Conservative Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>205</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R804.htm</HtmlFileName>
      <LongName>001031 - Document - Risk/Return Summary {Unlabeled} - EQ/Conservative Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQConservativeGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Conservative Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>206</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R811.htm</HtmlFileName>
      <LongName>001039 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Conservative Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQConservativeGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Conservative Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>207</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R812.htm</HtmlFileName>
      <LongName>001041 - Document - Risk/Return Summary {Unlabeled} - EQ/Balanced Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQBalancedStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Balanced Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>208</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R819.htm</HtmlFileName>
      <LongName>001049 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Balanced Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQBalancedStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Balanced Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>209</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R820.htm</HtmlFileName>
      <LongName>001051 - Document - Risk/Return Summary {Unlabeled} - EQ/Moderate Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQModerateGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Moderate Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>210</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R827.htm</HtmlFileName>
      <LongName>001059 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Moderate Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQModerateGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Moderate Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>211</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R828.htm</HtmlFileName>
      <LongName>001061 - Document - Risk/Return Summary {Unlabeled} - EQ/Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>212</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R835.htm</HtmlFileName>
      <LongName>001069 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>213</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R836.htm</HtmlFileName>
      <LongName>001071 - Document - Risk/Return Summary {Unlabeled} - EQ/Aggressive Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQAggressiveGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Aggressive Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>214</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R843.htm</HtmlFileName>
      <LongName>001079 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Aggressive Growth Strategy Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQAggressiveGrowthStrategyPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Aggressive Growth Strategy Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>215</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R844.htm</HtmlFileName>
      <LongName>001081 - Document - Risk/Return Summary {Unlabeled} - EQ/All Asset Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQAllAssetGrowthAllocationPortfolio001081</Role>
      <ShortName>Risk/Return Summary- EQ/All Asset Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>216</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R851.htm</HtmlFileName>
      <LongName>001089 - Disclosure - Risk/Return Detail Data {Elements} - EQ/All Asset Growth Allocation Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQAllAssetGrowthAllocationPortfolio001089</Role>
      <ShortName>Risk/Return Detail Data- EQ/All Asset Growth Allocation Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>217</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>true</HasEmbeddedReports>
      <HtmlFileName>R852.htm</HtmlFileName>
      <LongName>001091 - Document - Risk/Return Summary {Unlabeled} - EQ/Franklin Templeton Allocation Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DocumentRiskReturnSummaryUnlabeledEQFranklinTempletonAllocationManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Summary- EQ/Franklin Templeton Allocation Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>218</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R859.htm</HtmlFileName>
      <LongName>001099 - Disclosure - Risk/Return Detail Data {Elements} - EQ/Franklin Templeton Allocation Managed Volatility Portfolio</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.axa-equitablefunds.com/role/DisclosureRiskReturnDetailDataElementsEQFranklinTempletonAllocationManagedVolatilityPortfolio</Role>
      <ShortName>Risk/Return Detail Data- EQ/Franklin Templeton Allocation Managed Volatility Portfolio</ShortName>
      <MenuCategory></MenuCategory>
      <Position>219</Position>
    </Report>
    <Report instance="eqat-20200428.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R860.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></MenuCategory>
      <Position>220</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>eqat-20200428.xml</File>
    <File>eqat-20200428.xsd</File>
    <File>eqat-20200428_cal.xml</File>
    <File>eqat-20200428_def.xml</File>
    <File>eqat-20200428_lab.xml</File>
    <File>eqat-20200428_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>BarChart1.png</File>
    <File>BarChart2.png</File>
    <File>BarChart3.png</File>
    <File>BarChart4.png</File>
    <File>BarChart5.png</File>
    <File>BarChart6.png</File>
    <File>BarChart7.png</File>
    <File>BarChart8.png</File>
    <File>BarChart9.png</File>
    <File>BarChart10.png</File>
    <File>BarChart11.png</File>
    <File>BarChart12.png</File>
    <File>BarChart13.png</File>
    <File>BarChart14.png</File>
    <File>BarChart15.png</File>
    <File>BarChart16.png</File>
    <File>BarChart17.png</File>
    <File>BarChart18.png</File>
    <File>BarChart19.png</File>
    <File>BarChart20.png</File>
    <File>BarChart21.png</File>
    <File>BarChart22.png</File>
    <File>BarChart23.png</File>
    <File>BarChart24.png</File>
    <File>BarChart25.png</File>
    <File>BarChart26.png</File>
    <File>BarChart27.png</File>
    <File>BarChart28.png</File>
    <File>BarChart29.png</File>
    <File>BarChart30.png</File>
    <File>BarChart31.png</File>
    <File>BarChart32.png</File>
    <File>BarChart33.png</File>
    <File>BarChart34.png</File>
    <File>BarChart35.png</File>
    <File>BarChart36.png</File>
    <File>BarChart37.png</File>
    <File>BarChart38.png</File>
    <File>BarChart39.png</File>
    <File>BarChart40.png</File>
    <File>BarChart41.png</File>
    <File>BarChart42.png</File>
    <File>BarChart43.png</File>
    <File>BarChart44.png</File>
    <File>BarChart45.png</File>
    <File>BarChart46.png</File>
    <File>BarChart47.png</File>
    <File>BarChart48.png</File>
    <File>BarChart49.png</File>
    <File>BarChart50.png</File>
    <File>BarChart51.png</File>
    <File>BarChart52.png</File>
    <File>BarChart53.png</File>
    <File>BarChart54.png</File>
    <File>BarChart55.png</File>
    <File>BarChart56.png</File>
    <File>BarChart57.png</File>
    <File>BarChart58.png</File>
    <File>BarChart59.png</File>
    <File>BarChart60.png</File>
    <File>BarChart61.png</File>
    <File>BarChart62.png</File>
    <File>BarChart63.png</File>
    <File>BarChart64.png</File>
    <File>BarChart65.png</File>
    <File>BarChart66.png</File>
    <File>BarChart67.png</File>
    <File>BarChart68.png</File>
    <File>BarChart69.png</File>
    <File>BarChart70.png</File>
    <File>BarChart71.png</File>
    <File>BarChart72.png</File>
    <File>BarChart73.png</File>
    <File>BarChart74.png</File>
    <File>BarChart75.png</File>
    <File>BarChart76.png</File>
    <File>BarChart77.png</File>
    <File>BarChart78.png</File>
    <File>BarChart79.png</File>
    <File>BarChart80.png</File>
    <File>BarChart81.png</File>
    <File>BarChart82.png</File>
    <File>BarChart83.png</File>
    <File>BarChart84.png</File>
    <File>BarChart85.png</File>
    <File>BarChart86.png</File>
    <File>BarChart87.png</File>
    <File>BarChart88.png</File>
    <File>BarChart89.png</File>
    <File>BarChart90.png</File>
    <File>BarChart91.png</File>
    <File>BarChart92.png</File>
    <File>BarChart93.png</File>
    <File>BarChart94.png</File>
    <File>BarChart95.png</File>
    <File>BarChart96.png</File>
    <File>BarChart97.png</File>
    <File>BarChart98.png</File>
    <File>BarChart99.png</File>
    <File>BarChart100.png</File>
    <File>BarChart101.png</File>
    <File>BarChart102.png</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/rr/2018-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2018-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
