Document and Entity Information - USD ($)	12 Months Ended
	Feb. 03, 2018	Mar. 03, 2018	Jul. 29, 2017
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Feb. 03, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Trading Symbol	TJX
Entity Registrant Name	TJX COMPANIES INC /DE/
Entity Central Index Key	0000109198
Current Fiscal Year End Date	--02-03
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		627,072,378
Entity Public Float			$ 44,235,895,555