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Financial Instruments - Summary of Derivative Financial Instruments, Related Fair Value and Balance Sheet Classification (Details) € in Thousands, £ in Thousands, zł in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, gal / mo in Millions	12 Months Ended
	Jan. 30, 2021 PLN (zł) gal / mo	Feb. 01, 2020 PLN (zł) gal / mo	Jan. 30, 2021 GBP (£)	Jan. 30, 2021 USD ($)	Jan. 30, 2021 AUD ($)	Jan. 30, 2021 EUR (€)	Jan. 30, 2021 CAD ($)	Feb. 01, 2020 GBP (£)	Feb. 01, 2020 USD ($)	Feb. 01, 2020 AUD ($)	Feb. 01, 2020 EUR (€)	Feb. 01, 2020 CAD ($)
Derivatives, Fair Value [Line Items]
Current Asset U.S.$				$ 9,029					$ 7,240
Current (Liability) U.S.$				(21,921)					(20,205)
Net Fair Value in U.S.$				$ (12,892)					$ (12,965)
Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Zloty To Pound | Fair value hedges:
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.1966	0.1984	0.1966	0.1966	0.1966	0.1966	0.1966	0.1984	0.1984	0.1984	0.1984	0.1984
Current Asset U.S.$				$ 11					$ 270
Current (Liability) U.S.$				0					0
Net Fair Value in U.S.$				$ 11					$ 270
Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Australian Dollar To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.7754	0.6782	0.7754	0.7754	0.7754	0.7754	0.7754	0.6782	0.6782	0.6782	0.6782	0.6782
Current Asset U.S.$				$ 738					$ 275
Current (Liability) U.S.$				0					0
Net Fair Value in U.S.$				$ 738					$ 275
Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of US Dollar To Pound | Fair value hedges:
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.7323	0.7589	0.7323	0.7323	0.7323	0.7323	0.7323	0.7589	0.7589	0.7589	0.7589	0.7589
Current Asset U.S.$				$ 357					$ 743
Current (Liability) U.S.$				0					0
Net Fair Value in U.S.$				$ 357					743
Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Pound To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Blended Contract Rate	1.3743		1.3743	1.3743	1.3743	1.3743	1.3743
Current Asset U.S.$				$ 32
Current (Liability) U.S.$				0
Net Fair Value in U.S.$				$ 32
Intercompany balances, primarily debt and related interest: | Prepaid Expense / (Accrued Expense) | Conversion Of Euro To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Blended Contract Rate	1.2235		1.2235	1.2235	1.2235	1.2235	1.2235
Current Asset U.S.$				$ 427
Current (Liability) U.S.$				(182)
Net Fair Value in U.S.$				245
Diesel fuel contracts | Prepaid Expense
Derivatives, Fair Value [Line Items]
Current Asset U.S.$				4,880
Current (Liability) U.S.$				0
Net Fair Value in U.S.$				$ 4,880
Diesel fuel contracts | (Accrued Expense)
Derivatives, Fair Value [Line Items]
Current Asset U.S.$									0
Current (Liability) U.S.$									(9,927)
Net Fair Value in U.S.$									$ (9,927)
Intercompany billings in TJX International, primarily merchandise related: | Prepaid Expense | Conversion Of Euro To Pound
Derivatives, Fair Value [Line Items]
Blended Contract Rate		0.8492						0.8492	0.8492	0.8492	0.8492	0.8492
Current Asset U.S.$									$ 655
Current (Liability) U.S.$									0
Net Fair Value in U.S.$									$ 655
Merchandise purchase commitments: | Prepaid Expense | Conversion Of Zloty To Pound
Derivatives, Fair Value [Line Items]
Blended Contract Rate		0.1991						0.1991	0.1991	0.1991	0.1991	0.1991
Current Asset U.S.$									$ 1,903
Current (Liability) U.S.$									0
Net Fair Value in U.S.$									$ 1,903
Merchandise purchase commitments: | Prepaid Expense | Conversion Of Australian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Blended Contract Rate		0.6854						0.6854	0.6854	0.6854	0.6854	0.6854
Current Asset U.S.$									$ 435
Current (Liability) U.S.$									0
Net Fair Value in U.S.$									$ 435
Merchandise purchase commitments: | Prepaid Expense | Conversion Of Canadian Dollar To Euro
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.6492		0.6492	0.6492	0.6492	0.6492	0.6492
Current Asset U.S.$				$ 24
Current (Liability) U.S.$				0
Net Fair Value in U.S.$				$ 24
Merchandise purchase commitments: | (Accrued Expense) | Conversion Of Zloty To Pound
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.1955		0.1955	0.1955	0.1955	0.1955	0.1955
Current Asset U.S.$				$ 0
Current (Liability) U.S.$				(29)
Net Fair Value in U.S.$				$ (29)
Merchandise purchase commitments: | (Accrued Expense) | Conversion Of Pound To US Dollar
Derivatives, Fair Value [Line Items]
Blended Contract Rate	1.2986		1.2986	1.2986	1.2986	1.2986	1.2986
Current Asset U.S.$				$ 0
Current (Liability) U.S.$				(15,086)
Net Fair Value in U.S.$				$ (15,086)
Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Australian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.7502		0.7502	0.7502	0.7502	0.7502	0.7502
Current Asset U.S.$				$ 144
Current (Liability) U.S.$				(837)
Net Fair Value in U.S.$				$ (693)
Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Pound To US Dollar
Derivatives, Fair Value [Line Items]
Blended Contract Rate		1.2869						1.2869	1.2869	1.2869	1.2869	1.2869
Current Asset U.S.$									$ 11
Current (Liability) U.S.$									(9,792)
Net Fair Value in U.S.$									$ (9,781)
Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Canadian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.7695	0.7602	0.7695	0.7695	0.7695	0.7695	0.7695	0.7602	0.7602	0.7602	0.7602	0.7602
Current Asset U.S.$				$ 430					$ 2,877
Current (Liability) U.S.$				(5,627)					(207)
Net Fair Value in U.S.$				$ (5,197)					$ 2,670
Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Canadian Dollar To Euro
Derivatives, Fair Value [Line Items]
Blended Contract Rate		0.6801						0.6801	0.6801	0.6801	0.6801	0.6801
Current Asset U.S.$									$ 61
Current (Liability) U.S.$									(44)
Net Fair Value in U.S.$									$ 17
Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of US Dollar To Euro
Derivatives, Fair Value [Line Items]
Blended Contract Rate	0.8386	0.8954	0.8386	0.8386	0.8386	0.8386	0.8386	0.8954	0.8954	0.8954	0.8954	0.8954
Current Asset U.S.$				$ 1,986					$ 10
Current (Liability) U.S.$				(160)					(235)
Net Fair Value in U.S.$				1,826					(225)
Pay | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Zloty To Pound | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount | zł	zł 45,000	zł 45,000
Pay | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Australian Dollar To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount					$ 80,000					$ 50,000
Pay | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of US Dollar To Pound | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount				75,102					72,475
Pay | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Pound To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount | £			£ 200,000
Pay | Intercompany balances, primarily debt and related interest: | Prepaid Expense / (Accrued Expense) | Conversion Of Euro To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount | €						€ 200,000
Pay | Intercompany billings in TJX International, primarily merchandise related: | Prepaid Expense | Conversion Of Euro To Pound
Derivatives, Fair Value [Line Items]
Derivative notional amount | €											€ 58,700
Pay | Merchandise purchase commitments: | Prepaid Expense | Conversion Of Zloty To Pound
Derivatives, Fair Value [Line Items]
Derivative notional amount | zł		zł 362,700
Pay | Merchandise purchase commitments: | Prepaid Expense | Conversion Of Australian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount										$ 29,400
Pay | Merchandise purchase commitments: | Prepaid Expense | Conversion Of Canadian Dollar To Euro
Derivatives, Fair Value [Line Items]
Derivative notional amount							$ 5,391
Pay | Merchandise purchase commitments: | (Accrued Expense) | Conversion Of Zloty To Pound
Derivatives, Fair Value [Line Items]
Derivative notional amount | zł	zł 30,000
Pay | Merchandise purchase commitments: | (Accrued Expense) | Conversion Of Pound To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount | £			203,264
Pay | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Australian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount					$ 46,985
Pay | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Pound To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount | £								£ 265,653
Pay | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Canadian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount							$ 384,679					$ 609,340
Pay | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Canadian Dollar To Euro
Derivatives, Fair Value [Line Items]
Derivative notional amount												$ 37,051
Pay | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of US Dollar To Euro
Derivatives, Fair Value [Line Items]
Derivative notional amount				99,810					49,849
Pay | Minimum | Diesel fuel contracts | Prepaid Expense
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo	1.5
Pay | Minimum | Diesel fuel contracts | (Accrued Expense)
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo		2.9
Pay | Maximum | Diesel fuel contracts | Prepaid Expense
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo	3.8
Pay | Maximum | Diesel fuel contracts | (Accrued Expense)
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo		3.5
Receive | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Zloty To Pound | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount | £			8,846					8,930
Receive | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Australian Dollar To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount				62,032					33,911
Receive | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of US Dollar To Pound | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount | £			55,000					55,000
Receive | Intercompany balances, primarily debt and related interest: | Prepaid Expense | Conversion Of Pound To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount				274,853
Receive | Intercompany balances, primarily debt and related interest: | Prepaid Expense / (Accrued Expense) | Conversion Of Euro To US Dollar | Fair value hedges:
Derivatives, Fair Value [Line Items]
Derivative notional amount				244,699
Receive | Intercompany billings in TJX International, primarily merchandise related: | Prepaid Expense | Conversion Of Euro To Pound
Derivatives, Fair Value [Line Items]
Derivative notional amount | £								49,848
Receive | Merchandise purchase commitments: | Prepaid Expense | Conversion Of Zloty To Pound
Derivatives, Fair Value [Line Items]
Derivative notional amount | £								£ 72,217
Receive | Merchandise purchase commitments: | Prepaid Expense | Conversion Of Australian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount									20,151
Receive | Merchandise purchase commitments: | Prepaid Expense | Conversion Of Canadian Dollar To Euro
Derivatives, Fair Value [Line Items]
Derivative notional amount | €						3,500
Receive | Merchandise purchase commitments: | (Accrued Expense) | Conversion Of Zloty To Pound
Derivatives, Fair Value [Line Items]
Derivative notional amount | £			£ 5,865
Receive | Merchandise purchase commitments: | (Accrued Expense) | Conversion Of Pound To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount				263,950
Receive | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Australian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount				35,250
Receive | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Pound To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount									341,880
Receive | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Canadian Dollar To US Dollar
Derivatives, Fair Value [Line Items]
Derivative notional amount				$ 296,000					$ 463,200
Receive | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of Canadian Dollar To Euro
Derivatives, Fair Value [Line Items]
Derivative notional amount | €											25,200
Receive | Merchandise purchase commitments: | Prepaid Expense / (Accrued Expense) | Conversion Of US Dollar To Euro
Derivatives, Fair Value [Line Items]
Derivative notional amount | €						€ 83,700					€ 44,635
Receive | Minimum | Diesel fuel contracts | Prepaid Expense
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo	1.5
Receive | Minimum | Diesel fuel contracts | (Accrued Expense)
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo		2.9
Receive | Maximum | Diesel fuel contracts | Prepaid Expense
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo	3.8
Receive | Maximum | Diesel fuel contracts | (Accrued Expense)
Derivatives, Fair Value [Line Items]
Derivative nonmonetary notional amount | gal / mo		3.5

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