Document and Entity Information	3 Months Ended
	May 04, 2019 shares
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	May 04, 2019
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Trading Symbol	TJX
Entity Registrant Name	TJX COMPANIES INC /DE/
Entity Central Index Key	0000109198
Current Fiscal Year End Date	--02-01
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding	1,212,667,546