Document and Entity Information	9 Months Ended
	Oct. 29, 2016 shares
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 29, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Trading Symbol	TJX
Entity Registrant Name	TJX COMPANIES INC /DE/
Entity Central Index Key	0000109198
Current Fiscal Year End Date	--01-28
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	651,900,739