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Accrued Expenses and Other Liabilities Current and Long Term - Additional Information (Detail) | 12 Months Ended
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Jan. 28, 2017
Accrued Expenses And Current Liabilities [Line Items] |
Liabilities less than specific percentage included in other current liabilities | All other current liabilities include accruals for advertising, customer rewards liability, interest, reserve for sales returns, reserve for taxes, fair value of derivatives, expense payables, purchased services and other items, each of which is individually less than 5% of current liabilities.
Percentage of other current liability individual item which makes up current liabilities | 5.00%

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- Definition Accrued Expenses And Current Liabilities [Line Items] + References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Liabilities less than specific percentage included in other current liabilities. + References No definition available. + Details
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Namespace Prefix: | tjx_
Data Type: | xbrli:stringItemType
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- Definition Percentage Of Other Current Liability Individual Item Which Makes Up Current Liabilities + References No definition available. + Details
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Namespace Prefix: | tjx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration