Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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Debt Instrument, Maturity, Month and Year

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Ratio Of Indebtedness To Earnings Before Interest Tax Depreciation And Amortization

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- Definition

Revolving credit facilities, number

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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No definition available.

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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.

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- 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://www.xbrl.org/2003/role/presentationRef
-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=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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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.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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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.

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- Definition

Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580

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Long-Term Debt and Credit Lines - Additional Information (Detail)		6 Months Ended
	Sep. 12, 2016 USD ($)	Jul. 29, 2017 USD ($) CreditFacility	Jul. 29, 2017 CAD CreditFacility	Jul. 29, 2017 GBP (£) CreditFacility	Jan. 28, 2017 USD ($)	Jan. 28, 2017 CAD	Jan. 28, 2017 GBP (£)	Jul. 30, 2016 USD ($)	Jul. 30, 2016 CAD	Jul. 30, 2016 GBP (£)
Debt Instrument [Line Items]
Revolving credit facilities, number \| CreditFacility		2	2	2
Quarterly payments on unused committed amounts		0.06%
Ratio of funded debt and four-times consolidated rentals to consolidated earnings before interest, taxes, depreciation and amortization, and consolidated rentals		275.00%	275.00%	275.00%
Credit facilities, amount outstanding		$ 0			$ 0			$ 0
TJX Canada
Debt Instrument [Line Items]
Current borrowing capacity \| CAD			CAD 10,000,000			CAD 10,000,000			CAD 10,000,000
Credit facilities, amount outstanding \| CAD			0			0			0
TJX Canada \| Letter of Credit
Debt Instrument [Line Items]
Current borrowing capacity \| CAD			10,000,000			10,000,000			10,000,000
Credit facilities, amount outstanding \| CAD			CAD 0			CAD 0			CAD 0
TJX International \| TJX Europe Credit Line
Debt Instrument [Line Items]
Current borrowing capacity \| £				£ 5,000,000			£ 5,000,000			£ 5,000,000
Credit facilities, amount outstanding \| £				£ 0			£ 0			£ 0
2.25% Ten-Year Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 1,000,000,000
Debt instrument maturity period, years	10 years
Maturity Month/Year		2026-09
Effective fixed rate		2.36%	2.36%	2.36%
Debt instrument, interest rate		2.25%	2.25%	2.25%
2.25% Ten-Year Notes \| Interest Rate Contract
Debt Instrument [Line Items]
Amount hedged into treasury rate-lock agreement		$ 700,000,000
2.50% Ten-Year Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 500,000,000
Debt instrument maturity period, years		10 years
Maturity Month/Year		2023-05
Effective fixed rate		2.57%	2.57%	2.57%
Debt instrument, interest rate		2.50%	2.50%	2.50%
2.50% Ten-Year Notes \| Interest Rate Contract
Debt Instrument [Line Items]
Amount hedged into treasury rate-lock agreement		$ 250,000,000
2.75% Seven-Year Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 750,000,000
Debt instrument maturity period, years		7 years
Maturity Month/Year		2021-06
Effective fixed rate		2.91%	2.91%	2.91%
Debt instrument, interest rate		2.75%	2.75%	2.75%
Cash flow hedges, pre-tax realized loss		$ 7,900,000
Revolving Credit Facility March 2020
Debt Instrument [Line Items]
Maturity Month/Year		2020-03
Current borrowing capacity		$ 500,000,000
Revolving Credit Facility March 2022
Debt Instrument [Line Items]
Maturity Month/Year		2022-03
Current borrowing capacity		$ 500,000,000