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Basis of Presentation and Summary of Accounting Policies - Lease Accounting (Details) | 12 Months Ended
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Feb. 03, 2024
Minimum |
Lessee, Lease, Description [Line Items] |
Operating lease term of possession previous to opening store | 30 days
Maximum |
Lessee, Lease, Description [Line Items] |
Operating lease term of possession previous to opening store | 60 days

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- Definition Lessee, Operating Lease, Term Of Possession Previous To Opening Store + References No definition available. + Details
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Namespace Prefix: | tjx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Balance Type: |
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- Details
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Period Type: |