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Financial Instruments - Impact of Derivative Financial Instruments on Statement of Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	May 01, 2021	May 02, 2020
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in income / (loss)	$ (5,145)	$ 20,256
Intercompany balances, primarily debt and related interest | Selling, general and administrative expenses | Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in income / (loss)	(2,864)	(5,173)
Diesel fuel contracts | Cost of sales, including buying and occupancy costs | Economic Hedges For Which Hedge Accounting Was Not Elected
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in income / (loss)	13,570	(22,854)
Intercompany billings in TJX International, primarily merchandise related | Cost of sales, including buying and occupancy costs | Economic Hedges For Which Hedge Accounting Was Not Elected
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in income / (loss)	118	(1,852)
Merchandise purchase commitments | Cost of sales, including buying and occupancy costs | Economic Hedges For Which Hedge Accounting Was Not Elected
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in income / (loss)	$ (15,969)	$ 50,135

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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+ References

No definition available.

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