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

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Ratio Of Indebtedness To Earnings Before Interest Tax Depreciation And Amortization

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Revolving credit facilities, number

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

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

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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.

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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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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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).

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Long-Term Debt and Credit Lines - Additional Information (Detail)				1 Months Ended	12 Months Ended
	Oct. 12, 2016 USD ($)	Sep. 12, 2016 USD ($)	Mar. 29, 2016 USD ($)	Mar. 28, 2017 USD ($)	Jan. 28, 2017 USD ($) CreditFacility	Jan. 30, 2016 USD ($) CreditFacility	Jan. 31, 2015 USD ($)	Jan. 28, 2017 CAD CreditFacility	Jan. 28, 2017 GBP (£) CreditFacility	Jan. 30, 2016 CAD CreditFacility	Jan. 30, 2016 GBP (£) CreditFacility
Debt Instrument [Line Items]
Loss on early extinguishment of debt					$ (51,773,000)		$ (16,830,000)
Revolving credit facilities, number \| CreditFacility					2	2		2	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, consolidated rentals, depreciation and amortization					275.00%			275.00%	275.00%
Credit facilities, amount outstanding					$ 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
Revolving Credit Facility March 2022 \| Subsequent Event
Debt Instrument [Line Items]
Maturity Month/Year				2022-03
Current borrowing capacity				$ 500,000,000
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 Twenty Twenty
Debt Instrument [Line Items]
Maturity Month/Year			2020-03		2020-03
Current borrowing capacity			$ 500,000,000		$ 500,000,000
Credit facility expiration period			4 years
Revolving Credit Facility March 2021
Debt Instrument [Line Items]
Maturity Month/Year			2021-03		2021-03
Current borrowing capacity			$ 500,000,000		$ 500,000,000
Credit facility expiration period			5 years
Revolving Credit Facility May 2016
Debt Instrument [Line Items]
Maturity Month/Year						2016-05
Current borrowing capacity						$ 500,000,000
Revolving Credit Facility June 2017
Debt Instrument [Line Items]
Maturity Month/Year						2017-06
Current borrowing capacity						$ 500,000,000
TJX Canada Facility
Debt Instrument [Line Items]
Current borrowing capacity \| CAD								CAD 10,000,000		CAD 10,000,000
Credit facilities, amount outstanding \| CAD								0		0
TJX Canada Facility \| Letter of Credit
Debt Instrument [Line Items]
Current borrowing capacity \| CAD								CAD 10,000,000		CAD 10,000,000
TJX International
Debt Instrument [Line Items]
Current borrowing capacity \| £									£ 5,000,000		£ 5,000,000
TJX Europe Credit Line
Debt Instrument [Line Items]
Credit facilities, amount outstanding \| £									£ 0		£ 0
6.95% Ten-Year Notes
Debt Instrument [Line Items]
Loss on early extinguishment of debt	$ 51,800,000
Write off, unamortized debt expenses and discount	1,200,000
Debt instrument, interest rate					6.95%			6.95%	6.95%
6.95% Ten-Year Notes \| Redemption Premium
Debt Instrument [Line Items]
Loss on early extinguishment of debt	$ 50,600,000