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Financial Instruments - Impact of Derivative Financial Instruments on Statement of Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended
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Apr. 29, 2023 | Apr. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items] |  |
(Loss) gain recognized in income | $ (4) | $ 109
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Cost of sales, including buying and occupancy costs, Selling, general and administrative expenses | Cost of sales, including buying and occupancy costs, Selling, general and administrative expenses
Intercompany balances, primarily debt: | Fair Value Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
(Loss) gain recognized in income | $ 6 | $ 24
Diesel fuel contracts | Economic Hedges For Which Hedge Accounting Was Not Elected |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
(Loss) gain recognized in income | (18) | 44
Intercompany billings in TJX International, primarily merchandise | Economic Hedges For Which Hedge Accounting Was Not Elected |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
(Loss) gain recognized in income | 0 | 0
Merchandise purchase commitments | Economic Hedges For Which Hedge Accounting Was Not Elected |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
(Loss) gain recognized in income | $ 8 | $ 41

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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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + 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 https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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