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Reserves Related to Former Operations - Additional Information (Detail) $ in Thousands | 9 Months Ended
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Oct. 31, 2015 | Nov. 01, 2014 USD ($)
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items] |  |
Decrease in reserve for lease related obligations of former operations classified as discontinued operations |  | $ 10,313
Former operations reserve to be paid, in years |  | 2 years
Number of leases on which company is liable | 10 |

X
- Definition Consolidation Costs. + References No definition available. + Details
Name: | tjx_ConsolidationCosts
Namespace Prefix: | tjx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Former operations reserve to be paid + References No definition available. + Details
Name: | tjx_FormerOperationsReserveToBePaid
Namespace Prefix: | tjx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of leases on which company is liable. + References No definition available. + Details
Name: | tjx_NumberOfLeasesOnWhichCompanyIsLiable
Namespace Prefix: | tjx_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Dispositions And Reserves Related To Former Operations [Line Items] + References No definition available. + Details
Name: | tjx_ScheduleOfDispositionsAndReservesRelatedToFormerOperationsLineItems
Namespace Prefix: | tjx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration