Debt Instrument, Cash Tender Offer

No definition available.

Name:	tjx_DebtInstrumentCashTenderOffer
Namespace Prefix:	tjx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt Instrument, Covenant, Leverage Ratio, Maximum

+ References

No definition available.

+ Details

Name:	tjx_DebtInstrumentCovenantLeverageRatioMaximum
Namespace Prefix:	tjx_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Covenant, Leverage Ratio, Stepdown

+ References

No definition available.

+ Details

Name:	tjx_DebtInstrumentCovenantLeverageRatioStepdown
Namespace Prefix:	tjx_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Covenant, Minimum EBITDAR

+ References

No definition available.

+ Details

Name:	tjx_DebtInstrumentCovenantMinimumEBITDAR
Namespace Prefix:	tjx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Instrument, Covenant, Minimum Liquidity

+ References

No definition available.

+ Details

Name:	tjx_DebtInstrumentCovenantMinimumLiquidity
Namespace Prefix:	tjx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Instrument, Maximum Tender Amount

+ References

No definition available.

+ Details

Name:	tjx_DebtInstrumentMaximumTenderAmount
Namespace Prefix:	tjx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Revolving credit facilities, number

+ References

No definition available.

+ Details

Name:	tjx_RevolvingCreditFacilitiesNumber
Namespace Prefix:	tjx_
Data Type:	xbrli:positiveIntegerItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12317-112629

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580

+ Details

Name:	us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfDebtExtinguishmentCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromDebtNetOfIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfLongTermLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tjx_TjxCanadaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tjx_TJXEuropeCreditLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tjx_TJXInternationalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A350SeniorUnsecuredNotesDueApril152025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A375SeniorUnsecuredNotesDueApril152027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A3875SeniorUnsecuredNotesDueApril152030Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A450SeniorUnsecuredNotesDueApril152050Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A1150NotesDue2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A1600NotesDue2031Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A225SeniorUnsecuredNotesDueSeptember152026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A250SeniorUnsecuredNotesDueMay152023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A275SeniorUnsecuredNotesDueJune152021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A364DayRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A2022RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A2024RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tjx_A2022And2024RevolvingCreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Debt and Credit Lines - Additional Information (Details)		1 Months Ended		3 Months Ended			12 Months Ended
	Nov. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jul. 31, 2020 USD ($)	Jan. 30, 2021 USD ($) CreditFacility	Jul. 31, 2020	May 15, 2020	Jan. 30, 2021 USD ($) CreditFacility	Feb. 01, 2020 USD ($)	Feb. 02, 2019 USD ($)	Jan. 29, 2022	Jul. 31, 2021	May 01, 2021	Apr. 30, 2021 USD ($)	Jan. 30, 2021 GBP (£) CreditFacility	Jan. 30, 2021 CAD ($) CreditFacility	May 02, 2020 USD ($)	Apr. 30, 2020 USD ($)	Feb. 01, 2020 GBP (£) CreditFacility	Feb. 01, 2020 CAD ($) CreditFacility
Debt Instrument [Line Items]
Aggregate principal amount																$ 4,000,000,000
Payments of long-term debt and extinguishment expenses				$ (1,420,000,000)			$ (1,418,358,000)	$ 0	$ 0
Loss on early extinguishment of debt				$ 300,000,000			312,233,000	0	0
Proceeds from debt, net of issuance costs	$ 990,000,000
Payments on revolving credit facilities							$ 1,000,000,000	$ 0	$ 0
TJX Canada
Debt Instrument [Line Items]
Current borrowing capacity															$ 10,000,000				$ 10,000,000
Revolving credit facilities, number \| CreditFacility				2			2							2	2			2	2
Credit facilities, amount outstanding															$ 0				$ 0
Forecast
Debt Instrument [Line Items]
Covenant, maximum leverage ratio										3.50		5.00
Covenant, leverage ratio stepdown											0.5
Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit, maximum borrowing capacity				$ 1,500,000,000			$ 1,500,000,000
Current borrowing capacity				1,500,000,000			1,500,000,000
Debt instrument, interest rate during period					2.007%	1.757%
Covenant, minimum EBITDAR				650,000,000			650,000,000
Revolving Credit Facility \| Forecast
Debt Instrument [Line Items]
Covenant, minimum liquidity													$ 1,500,000,000
Letter of Credit \| TJX Canada
Debt Instrument [Line Items]
Current borrowing capacity															$ 10,000,000				$ 10,000,000
TJX Europe Credit Line \| TJX International
Debt Instrument [Line Items]
Current borrowing capacity \| £														£ 5,000,000				£ 5,000,000
Credit facilities, amount outstanding \| £														£ 0				£ 0
Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount				$ 1,000,000,000			$ 1,000,000,000
Maximum tender amount		$ 1,120,000,000
3.50% Senior Unsecured Notes Due April 15, 2025 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount																	$ 1,250,000,000
Debt instrument, interest rate				3.50%			3.50%							3.50%	3.50%		3.50%
3.75% Senior Unsecured Notes Due April 15, 2027 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount																	$ 750,000,000
Debt instrument, interest rate				3.75%			3.75%							3.75%	3.75%		3.75%
3.875% Senior Unsecured Notes Due April 15, 2030 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount																	$ 1,250,000,000
Debt instrument, interest rate				3.875%			3.875%							3.875%	3.875%		3.875%
Cash tender offer		754,000,000
4.50% Senior Unsecured Notes Due April 15, 2050 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount																	$ 750,000,000
Debt instrument, interest rate				4.50%			4.50%							4.50%	4.50%		4.50%
Cash tender offer		$ 365,000,000
1.150% Notes Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000
Debt instrument, interest rate	1.15%
1.600% Notes Due 2031 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000
Debt instrument, interest rate	1.60%
2.25% Senior Unsecured Notes Due September 15, 2026
Debt Instrument [Line Items]
Aggregate principal amount				$ 1,000,000,000			$ 1,000,000,000
Debt instrument maturity period, years							10 years
Effective fixed rate				2.36%			2.36%							2.36%	2.36%
2.25% Senior Unsecured Notes Due September 15, 2026 \| Interest Rate Contract
Debt Instrument [Line Items]
Derivative notional amount				$ 700,000,000			$ 700,000,000
2.25% Senior Unsecured Notes Due September 15, 2026 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate				2.25%			2.25%							2.25%	2.25%
2.50% Senior Unsecured Notes Due May 15, 2023
Debt Instrument [Line Items]
Aggregate principal amount				$ 500,000,000			$ 500,000,000
Debt instrument maturity period, years							10 years
Effective fixed rate				2.57%			2.57%							2.57%	2.57%
2.50% Senior Unsecured Notes Due May 15, 2023 \| Interest Rate Contract
Debt Instrument [Line Items]
Derivative notional amount				$ 250,000,000			$ 250,000,000
2.50% Senior Unsecured Notes Due May 15, 2023 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate				2.50%			2.50%							2.50%	2.50%
2.75% Senior Unsecured Notes Due June 15, 2021
Debt Instrument [Line Items]
Aggregate principal amount				$ 750,000,000			$ 750,000,000
Debt instrument maturity period, years							7 years
Effective fixed rate				2.91%			2.91%							2.91%	2.91%
Cash flow hedges, pre-tax realized loss							$ 8,000,000
2.75% Senior Unsecured Notes Due June 15, 2021 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate				2.75%			2.75%							2.75%	2.75%
364-Day Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument maturity period, years							364 days
Revolving credit, maximum borrowing capacity				$ 500,000,000			$ 500,000,000
2022 Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit, maximum borrowing capacity				500,000,000			500,000,000
2024 Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit, maximum borrowing capacity				$ 500,000,000			$ 500,000,000
2022 and 2024 Revolving Credit Facilities
Debt Instrument [Line Items]
Payments on revolving credit facilities			$ 1,000,000,000