Segment Information - Summary of Financial Information on Business Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Segment Reporting Information [Line Items]
Net sales	$ 54,217	$ 49,936	$ 48,550
General corporate expense	10,469	8,927	9,081
Impairment on equity investment	0	218	0
Loss on early extinguishment of debt	0	0	242
Interest (income) expense, net	(170)	6	115
Income before income taxes	5,967	4,636	4,398
Total identifiable assets	29,747	28,349	28,461
Total capital expenditures	1,722	1,457	1,045
Depreciation and amortization	964	887	868
Operating segments
Segment Reporting Information [Line Items]
Segment profit	6,505	5,442	5,366
Corporate
Segment Reporting Information [Line Items]
General corporate expense	708	582	611
Total identifiable assets	6,689	6,511	7,293
Depreciation and amortization	4	5	7
Marmaxx | Operating segments
Segment Reporting Information [Line Items]
Net sales	33,413	30,545	29,483
Segment profit	4,597	3,883	3,813
Total identifiable assets	12,993	12,170	11,229
Total capital expenditures	950	822	513
Depreciation and amortization	525	480	465
HomeGoods | Operating segments
Segment Reporting Information [Line Items]
Net sales	8,990	8,264	8,995
Segment profit	861	522	907
Total identifiable assets	3,828	3,590	3,461
Total capital expenditures	345	295	244
Depreciation and amortization	182	165	149
TJX Canada | Operating segments
Segment Reporting Information [Line Items]
Net sales	5,046	4,912	4,343
Segment profit	715	690	485
Total identifiable assets	2,083	2,003	2,197
Total capital expenditures	157	110	69
Depreciation and amortization	76	70	73
TJX International | Operating segments
Segment Reporting Information [Line Items]
Net sales	6,768	6,215	5,729
Segment profit	332	347	161
Total identifiable assets	4,154	4,075	4,281
Total capital expenditures	270	230	219
Depreciation and amortization	$ 177	$ 167	$ 174