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Disclosure - Risk/Return Detail Data {Elements} - EQ American Century Moderate Growth Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQAmericanCenturyModerateGrowthAllocationPortfolio Risk/Return Detail Data- EQ American Century Moderate Growth Allocation Portfolio Risk/Return 5 false false R6.htm 000059 - Disclosure - Risk/Return Detail Data {Elements} - EQ Franklin Moderate Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQFranklinModerateAllocationPortfolio Risk/Return Detail Data- EQ Franklin Moderate Allocation Portfolio Risk/Return 6 false false R7.htm 000069 - Disclosure - Risk/Return Detail Data {Elements} - EQ Goldman Sachs Growth Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQGoldmanSachsGrowthAllocationPortfolio Risk/Return Detail Data- EQ Goldman Sachs Growth Allocation Portfolio Risk/Return 7 false false R8.htm 000079 - Disclosure - Risk/Return Detail Data {Elements} - EQ Goldman Sachs Moderate Growth Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQGoldmanSachsModerateGrowthAllocationPortfolio Risk/Return Detail Data- EQ Goldman Sachs Moderate Growth Allocation Portfolio Risk/Return 8 false false R9.htm 000089 - Disclosure - Risk/Return Detail Data {Elements} - EQ Invesco Moderate Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoModerateAllocationPortfolio Risk/Return Detail Data- EQ Invesco Moderate Allocation Portfolio Risk/Return 9 false false R10.htm 000099 - Disclosure - Risk/Return Detail Data {Elements} - EQ Invesco Moderate Growth Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQInvescoModerateGrowthAllocationPortfolio Risk/Return Detail Data- EQ Invesco Moderate Growth Allocation Portfolio Risk/Return 10 false false R11.htm 000109 - Disclosure - Risk/Return Detail Data {Elements} - 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Disclosure - Risk/Return Detail Data {Elements} - ATM Small Cap Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsATMSmallCapManagedVolatilityPortfolio Risk/Return Detail Data- ATM Small Cap Managed Volatility Portfolio Risk/Return 15 false false R16.htm 000159 - Disclosure - Risk/Return Detail Data {Elements} - EQ 400 Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQ400ManagedVolatilityPortfolio Risk/Return Detail Data- EQ 400 Managed Volatility Portfolio Risk/Return 16 false false R17.htm 000169 - Disclosure - Risk/Return Detail Data {Elements} - EQ 500 Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQ500ManagedVolatilityPortfolio Risk/Return Detail Data- EQ 500 Managed Volatility Portfolio Risk/Return 17 false false R18.htm 000179 - Disclosure - Risk/Return Detail Data {Elements} - EQ 2000 Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQ2000ManagedVolatilityPortfolio Risk/Return Detail Data- EQ 2000 Managed Volatility Portfolio Risk/Return 18 false false R19.htm 000189 - Disclosure - Risk/Return Detail Data {Elements} - EQ AB Small Cap Growth Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQABSmallCapGrowthPortfolio Risk/Return Detail Data- EQ AB Small Cap Growth Portfolio Risk/Return 19 false false R20.htm 000199 - Disclosure - Risk/Return Detail Data {Elements} - EQ AB Sustainable U.S. Thematic Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQABSustainableU.S.ThematicPortfolio Risk/Return Detail Data- EQ AB Sustainable U.S. Thematic Portfolio Risk/Return 20 false false R21.htm 000209 - Disclosure - Risk/Return Detail Data {Elements} - EQ American Century Mid Cap Value Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQAmericanCenturyMidCapValuePortfolio Risk/Return Detail Data- EQ American Century Mid Cap Value Portfolio Risk/Return 21 false false R22.htm 000219 - Disclosure - Risk/Return Detail Data {Elements} - EQ Capital Group Research Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQCapitalGroupResearchPortfolio Risk/Return Detail Data- EQ Capital Group Research Portfolio Risk/Return 22 false false R23.htm 000229 - 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Risk/Return Detail Data {Elements} - EQ International Core Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalCoreManagedVolatilityPortfolio Risk/Return Detail Data- EQ International Core Managed Volatility Portfolio Risk/Return 33 false false R34.htm 000339 - Disclosure - Risk/Return Detail Data {Elements} - EQ International Equity Index Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalEquityIndexPortfolio Risk/Return Detail Data- EQ International Equity Index Portfolio Risk/Return 34 false false R35.htm 000349 - Disclosure - Risk/Return Detail Data {Elements} - EQ International Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQInternationalManagedVolatilityPortfolio Risk/Return Detail Data- EQ International Managed Volatility Portfolio Risk/Return 35 false false R36.htm 000359 - Disclosure - Risk/Return Detail Data {Elements} - 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Disclosure - Risk/Return Detail Data {Elements} - EQ MFS Mid Cap Focused Growth Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQMFSMidCapFocusedGrowthPortfolio Risk/Return Detail Data- EQ MFS Mid Cap Focused Growth Portfolio Risk/Return 51 false false R52.htm 000519 - Disclosure - Risk/Return Detail Data {Elements} - EQ Mid Cap Index Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQMidCapIndexPortfolio Risk/Return Detail Data- EQ Mid Cap Index Portfolio Risk/Return 52 false false R53.htm 000529 - Disclosure - Risk/Return Detail Data {Elements} - EQ Mid Cap Value Managed Volatility Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQMidCapValueManagedVolatilityPortfolio Risk/Return Detail Data- EQ Mid Cap Value Managed Volatility Portfolio Risk/Return 53 false false R54.htm 000539 - Disclosure - Risk/Return Detail Data {Elements} - EQ Morgan Stanley Small Cap Growth Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElementsEQMorganStanleySmallCapGrowthPortfolio Risk/Return Detail Data- EQ Morgan Stanley Small Cap Growth Portfolio Risk/Return 54 false false R55.htm 000549 - 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GAMCO Small Company Value Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElements1290VTGAMCOSmallCompanyValuePortfolio Risk/Return Detail Data- 1290 VT GAMCO Small Company Value Portfolio Risk/Return 78 false false R79.htm 000789 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Micro Cap Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElements1290VTMicroCapPortfolio Risk/Return Detail Data- 1290 VT Micro Cap Portfolio Risk/Return 79 false false R80.htm 000799 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Small Cap Value Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElements1290VTSmallCapValuePortfolio Risk/Return Detail Data- 1290 VT Small Cap Value Portfolio Risk/Return 80 false false R81.htm 000809 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT SmartBeta Equity ESG Portfolio Sheet 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http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElements1290VTHighYieldBondPortfolio Risk/Return Detail Data- 1290 VT High Yield Bond Portfolio Risk/Return 84 false false R85.htm 000849 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Moderate Growth Allocation Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElements1290VTModerateGrowthAllocationPortfolio Risk/Return Detail Data- 1290 VT Moderate Growth Allocation Portfolio Risk/Return 85 false false R86.htm 000859 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT Convertible Securities Portfolio Sheet http://www.1290funds.com/role/DisclosureRiskReturnDetailDataElements1290VTConvertibleSecuritiesPortfolio Risk/Return Detail Data- 1290 VT Convertible Securities Portfolio Risk/Return 86 false false R87.htm 000869 - Disclosure - Risk/Return Detail Data {Elements} - 1290 VT GAMCO Mergers & Acquisitions Portfolio Sheet 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