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Financial Instruments - Summary of Impact of Derivative Financial Instruments on Statements of Income (Details) - USD ($) $ in Millions | 12 Months Ended
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Feb. 01, 2025 | Feb. 03, 2024 | Jan. 28, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
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
Gain (loss) recognized in income | $ 59 | $ (1) | $ 129
Intercompany balances, primarily debt | Fair value hedges: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | 23 | 20 | 12
Diesel fuel contracts | Economic hedges for which hedge accounting was not elected: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | (23) | (19) | 55
Intercompany billings in TJX International, primarily merchandise: | Economic hedges for which hedge accounting was not elected: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | 6 | 5 | (9)
Merchandise purchase commitments: | Economic hedges for which hedge accounting was not elected: |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Gain (loss) recognized in income | $ 53 | $ (7) | $ 71

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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 -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + 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 -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
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