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Financial Instruments - Impact of Derivative Financial Instruments on Statements of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | $ (74,184) | $ 10,288 | $ 79,066
Intercompany balances, primarily debt and related interest | Fair value hedges: | Selling, general and administrative expenses |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | (59,829) | 4,788 | (2,674)
Intercompany receivable | Economic hedges for which hedge accounting was not elected: | Selling, general and administrative expenses |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | 0 | 3,257 | 18,823
Diesel fuel contracts | Economic hedges for which hedge accounting was not elected: | Cost of sales, including buying and occupancy costs |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | (5,638) | (9,780) | 1,373
Intercompany billings in TJX International, primarily merchandise related: | Economic hedges for which hedge accounting was not elected: | Cost of sales, including buying and occupancy costs |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | (4,249) | 2,652 | 1,137
International lease liabilities | Economic hedges for which hedge accounting was not elected: | Cost of sales, including buying and occupancy costs |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | 0 | (1,113) | 0
Merchandise purchase commitments: | Economic hedges for which hedge accounting was not elected: | Cost of sales, including buying and occupancy costs |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
(Loss) gain recognized in income | $ (4,468) | $ 10,484 | $ 60,407

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- 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 + Details
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