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Financial Instruments - Impact of Derivative Financial Instruments on Statements of Income (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | $ 129 | $ 108 | $ (74)
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 | 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] |  |  |
Gain (loss) recognized in income | $ 12 | $ 36 | $ (60)
Diesel fuel contracts | Economic hedges for which hedge accounting was not elected: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | 55 | 43 | (6)
Intercompany billings in TJX International, primarily merchandise related: | Economic hedges for which hedge accounting was not elected: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | (9) | 5 | (4)
Merchandise purchase commitments: | Economic hedges for which hedge accounting was not elected: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | $ 71 | $ 24 | $ (4)

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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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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