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Percentages of Consolidated Revenues by Major Product Category (Detail)	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Segment Reporting Information [Line Items]
Revenue percentage	100.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage	100.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage	100.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage
Home Fashions
Segment Reporting Information [Line Items]
Revenue percentage	29.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_StatementBusinessSegmentsAxis = tjx_HomeFashionsMember	28.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_StatementBusinessSegmentsAxis = tjx_HomeFashionsMember	28.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_StatementBusinessSegmentsAxis = tjx_HomeFashionsMember
Apparel | Clothing Including Footwear
Segment Reporting Information [Line Items]
Revenue percentage	57.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_ProductOrServiceAxis = tjx_ApparelMember / us-gaap_StatementBusinessSegmentsAxis = tjx_ClothingAndFootwearMember	58.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_ProductOrServiceAxis = tjx_ApparelMember / us-gaap_StatementBusinessSegmentsAxis = tjx_ClothingAndFootwearMember	59.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_ProductOrServiceAxis = tjx_ApparelMember / us-gaap_StatementBusinessSegmentsAxis = tjx_ClothingAndFootwearMember
Apparel | Jewelry and Accessories
Segment Reporting Information [Line Items]
Revenue percentage	14.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_ProductOrServiceAxis = tjx_ApparelMember / us-gaap_StatementBusinessSegmentsAxis = tjx_JewelryAndAccessoriesMember	14.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_ProductOrServiceAxis = tjx_ApparelMember / us-gaap_StatementBusinessSegmentsAxis = tjx_JewelryAndAccessoriesMember	13.00%tjx_SegmentReportingInformationSalesRevenueNetPercentage / us-gaap_ProductOrServiceAxis = tjx_ApparelMember / us-gaap_StatementBusinessSegmentsAxis = tjx_JewelryAndAccessoriesMember

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Segment Reporting Information Sales Revenue Net Percentage

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