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Reconciliation of Level 3 Plan Assets Measured at Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014
Common/Collective Trusts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	$ 10,421us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember	$ 13,158us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember
Earned income, net of management expenses	557tjx_EarnedIncomeNetOfManagementExpenses / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember	671tjx_EarnedIncomeNetOfManagementExpenses / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember
Unrealized gain on investment	51tjx_UnrealizedGainLossOnInvestment / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember	676tjx_UnrealizedGainLossOnInvestment / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember
Purchases, sales, issuances and settlements, net	(2,746)us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember	(4,084)us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember
Fair value of plan assets at end of year	8,283us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember	10,421us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = tjx_CommonOrCollectiveTrustsMember
Limited Partnership
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets at beginning of year	7,713us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember	11,064us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember
Earned income, net of management expenses	786tjx_EarnedIncomeNetOfManagementExpenses / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember	312tjx_EarnedIncomeNetOfManagementExpenses / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember
Unrealized gain on investment	76tjx_UnrealizedGainLossOnInvestment / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember	507tjx_UnrealizedGainLossOnInvestment / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember
Purchases, sales, issuances and settlements, net	(3,531)us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember	(4,170)us-gaap_DefinedBenefitPlanPurchasesSalesAndSettlements / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember
Fair value of plan assets at end of year	$ 5,044us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember	$ 7,713us-gaap_DefinedBenefitPlanFairValueOfPlanAssets / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_PartnershipMember

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- Definition

Earned income, net of management expenses.

+ References

No definition available.

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- Definition

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+ References

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- Definition

Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Section 35

-Paragraph 50

-URI http://asc.fasb.org/extlink&oid=29635418&loc=d3e12355-114930

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- Definition

Amount of increase (decrease) in plan assets from purchases, sales and settlement of plan obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(iv)(02)(B)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(iv)(02)(B)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2446-114920

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