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Long-Term Debt and Credit Lines - Additional Information (Detail)		3 Months Ended		12 Months Ended
	Mar. 29, 2016 USD ($)	Apr. 30, 2016 USD ($)	May. 02, 2015 USD ($)	Jan. 30, 2016 USD ($)	Apr. 30, 2016 CAD	Apr. 30, 2016 GBP (£)	Jan. 30, 2016 CAD	Jan. 30, 2016 GBP (£)	May. 02, 2015 CAD	May. 02, 2015 GBP (£)
Debt Instrument [Line Items]
Quarterly payments per annum 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	$ 0
2.75% Seven-Year Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 750,000,000
Debt instrument maturity period, years		7 years
Debt instrument maturity date		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
2.50% Ten-Year Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 500,000,000
Debt instrument maturity period, years		10 years
Debt instrument maturity date		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
6.95% Ten-Year Notes
Debt Instrument [Line Items]
Aggregate principal amount		$ 375,000,000
Debt instrument maturity period, years		10 years
Debt instrument maturity date		2019-04
Effective fixed rate		7.00%			7.00%	7.00%
Debt instrument, interest rate		6.95%			6.95%	6.95%
6.95% Ten-Year Notes | Interest Rate Contract
Debt Instrument [Line Items]
Amount hedged into treasury rate-lock agreement		$ 375,000,000
TJX Canada Facility
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 Facility | Letter of Credit
Debt Instrument [Line Items]
Current borrowing capacity | CAD					CAD 10,000,000		CAD 10,000,000		CAD 10,000,000
TJX International
Debt Instrument [Line Items]
Current borrowing capacity | £						£ 5,000,000		£ 5,000,000		£ 20,000,000
TJX Europe Credit Line
Debt Instrument [Line Items]
Credit facilities, amount outstanding | £						£ 0		£ 0		£ 0
Revolving Credit Facility March Twenty Twenty
Debt Instrument [Line Items]
Debt instrument maturity date	2020-03	2020-03
Current borrowing capacity	$ 500,000,000	$ 500,000,000
Credit facility expiration period	4 years
Revolving Credit Facility March Twenty Twenty One
Debt Instrument [Line Items]
Debt instrument maturity date	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]
Debt instrument maturity date			2016-05	2016-05
Current borrowing capacity			$ 500,000,000	$ 500,000,000
Revolving Credit Facility June 2017
Debt Instrument [Line Items]
Debt instrument maturity date			2017-06	2017-06
Current borrowing capacity			$ 500,000,000	$ 500,000,000

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

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