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v3.21.1

Accrued Expenses and Other Liabilities, Current and Long Term - Additional Information (Details) | 12 Months Ended
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Jan. 30, 2021
Payables and Accruals [Abstract] |
Percentage of other current liability individual item which makes up current liabilities | 5.00%

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- Definition Percentage Of Other Current Liability Individual Item Which Makes Up Current Liabilities + References No definition available. + Details
Name: | tjx_PercentageOfOtherCurrentLiabilityIndividualItemWhichMakesUpCurrentLiabilities
Namespace Prefix: | tjx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration