v3.26.1
Segment Information - Summary of Financial Information on Business Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 01, 2026
Aug. 02, 2025
Aug. 01, 2026
Aug. 02, 2025
Jan. 31, 2026
Segment Reporting [Line Items]          
Net sales $ 15,180 $ 14,401 $ 29,503 $ 27,512  
General corporate expense 3,085 2,805 5,879 5,354  
Interest (income) expense, net (31) (27) (66) (57)  
Income before income taxes 2,018 1,647 3,739 2,993  
Total identifiable assets 37,115 32,885 37,115 32,885 $ 35,767
Total capital expenditures 497 461 1,159 958  
Depreciation and amortization 340 308 676 604  
Operating segments          
Segment Reporting [Line Items]          
Net sales 15,180 14,401 29,503 27,512  
Segment expenses 12,951 12,599 25,445 24,179  
Segment profit 2,229 1,802 4,058 3,333  
Total identifiable assets 28,900 26,311 28,900 26,311 27,497
Depreciation and amortization 339 307 674 602  
Corporate          
Segment Reporting [Line Items]          
General corporate expense 242 182 385 397  
Total identifiable assets 8,215 6,574 8,215 6,574 8,270
Depreciation and amortization 1 1 2 2  
Reconciling Items          
Segment Reporting [Line Items]          
Interest (income) expense, net (31) (27) (66) (57)  
Marmaxx | Operating segments          
Segment Reporting [Line Items]          
Net sales 9,109 8,841 17,759 16,893  
Segment expenses 7,685 7,587 15,066 14,532  
Segment profit 1,424 1,254 2,693 2,361  
Total identifiable assets 16,737 14,943 16,737 14,943 15,789
Total capital expenditures 316 311 690 650  
Depreciation and amortization 191 169 381 334  
HomeGoods | Operating segments          
Segment Reporting [Line Items]          
Net sales 2,507 2,286 5,013 4,540  
Segment expenses 2,066 2,058 4,249 4,082  
Segment profit 441 228 764 458  
Total identifiable assets 4,413 4,201 4,413 4,201 4,307
Total capital expenditures 77 57 146 118  
Depreciation and amortization 61 57 121 113  
TJX Canada | Operating segments          
Segment Reporting [Line Items]          
Net sales 1,470 1,381 2,755 2,525  
Segment expenses 1,241 1,160 2,376 2,182  
Segment profit 229 221 379 343  
Total identifiable assets 2,746 2,520 2,746 2,520 2,485
Total capital expenditures 40 39 190 73  
Depreciation and amortization 29 26 57 50  
TJX International | Operating segments          
Segment Reporting [Line Items]          
Net sales 2,094 1,893 3,976 3,554  
Segment expenses 1,959 1,794 3,754 3,383  
Segment profit 135 99 222 171  
Total identifiable assets 5,004 4,647 5,004 4,647 $ 4,916
Total capital expenditures 64 54 133 117  
Depreciation and amortization $ 58 $ 55 $ 115 $ 105