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Reserves Related to Former Operations - Additional Information (Detail) $ in Thousands	9 Months Ended
	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