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Financial Instruments - Additional Information (Detail) | 3 Months Ended
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May 04, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Hedge of diesel fuel requirement, remainder of fiscal year 2020 | 51.00%
Hedge of diesel fuel requirement, fiscal year 2021 | 45.00%

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- Definition Hedge Diesel Fuel Requirement, Remainder of Fiscal Year + References No definition available. + Details
Name: | tjx_HedgeDieselFuelRequirementRemainderOfFiscalYear
Namespace Prefix: | tjx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Hedge Diesel Fuel Requirement, Second Year + References No definition available. + Details
Name: | tjx_HedgeDieselFuelRequirementSecondYear
Namespace Prefix: | tjx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration