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Segment Information - Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	Feb. 03, 2019
Segment Reporting Information [Line Items]
Net sales	$ 10,451,334	$ 9,825,759	$ 29,510,515	$ 27,845,594
General corporate expense	1,885,923	1,756,448	5,319,659	5,006,937
Pension settlement charge	0	36,122	0	36,122
Interest expense, net	3,259	3,188	6,973	10,365
Income before provision for income taxes	1,122,119	1,046,518	3,079,908	2,994,633
Operating lease right of use assets	9,069,146		9,069,146		$ 8,704,584
Marmaxx
Segment Reporting Information [Line Items]
Net sales	6,353,987	5,973,476	18,262,444	17,202,115
Operating lease right of use assets	4,300,000		4,300,000
HomeGoods
Segment Reporting Information [Line Items]
Net sales	1,582,411	1,463,892	4,404,112	4,060,569
Operating lease right of use assets	1,600,000		1,600,000
TJX Canada
Segment Reporting Information [Line Items]
Net sales	1,081,522	1,036,884	2,896,717	2,828,456
Operating lease right of use assets	1,100,000		1,100,000
TJX International
Segment Reporting Information [Line Items]
Net sales	1,433,414	1,351,507	3,947,242	3,754,454
Operating lease right of use assets	2,100,000		2,100,000
Operating segments
Segment Reporting Information [Line Items]
Segment profit	1,263,303	1,213,603	3,474,417	3,437,260
Operating segments \| Marmaxx
Segment Reporting Information [Line Items]
Segment profit	820,430	762,911	2,471,622	2,343,682
Operating segments \| HomeGoods
Segment Reporting Information [Line Items]
Segment profit	173,212	166,090	438,939	455,540
Operating segments \| TJX Canada
Segment Reporting Information [Line Items]
Segment profit	170,264	182,170	385,513	446,089
Operating segments \| TJX International
Segment Reporting Information [Line Items]
Segment profit	99,397	102,432	178,343	191,949
Corporate
Segment Reporting Information [Line Items]
General corporate expense	$ 137,925	$ 127,775	$ 387,536	$ 396,140