Roll Forward of Goodwill by Component (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Goodwill [Line Items]
Beginning balance	$ 193,911	$ 169,022	$ 169,273
Additions		25,233
Effect of exchange rate changes on goodwill	1,960	(344)	(251)
Ending balance	195,871	193,911	169,022
Winners
Goodwill [Line Items]
Beginning balance	1,587	1,741	1,992
Effect of exchange rate changes on goodwill	99	(154)	(251)
Ending balance	1,686	1,587	1,741
Sierra Trading Post
Goodwill [Line Items]
Beginning balance	97,254	97,254	97,254
Ending balance	97,254	97,254	97,254
Trade Secret
Goodwill [Line Items]
Beginning balance	25,043
Additions		25,233
Effect of exchange rate changes on goodwill	1,861	(190)
Ending balance	26,904	25,043
Marmaxx
Goodwill [Line Items]
Beginning balance	70,027	70,027	70,027
Ending balance	$ 70,027	$ 70,027	$ 70,027

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

+ Details

Name:	us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

+ Details

Name:	us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_GoodwillLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsegmentsAxis=tjx_WinnersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsegmentsAxis=tjx_SierraTradingPostMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsegmentsAxis=tjx_TradeSecretMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tjx_MarmaxxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: