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Basis of Presentation and Summary of Accounting Policies - Roll Forward of Goodwill by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022
Goodwill [Roll Forward]
Beginning balance	$ 97	$ 99
Effect of exchange rate changes on goodwill	0	(2)
Ending balance	97	97
Marmaxx
Goodwill [Roll Forward]
Beginning balance	70	70
Effect of exchange rate changes on goodwill	0	0
Ending balance	70	70
TJX Canada
Goodwill [Roll Forward]
Beginning balance	2	2
Effect of exchange rate changes on goodwill	0	0
Ending balance	2	2
TJX International
Goodwill [Roll Forward]
Beginning balance	25	27
Effect of exchange rate changes on goodwill	0	(2)
Ending balance	$ 25	$ 25

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 55
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-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 210
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-Paragraph 1
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+ Details

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Period Type:	instant

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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X

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X

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