| Document and Entity Information | Feb. 22, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 22, 2023 |
| Entity Registrant Name | THE TJX COMPANIES, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-04908 |
| Entity Tax Identification Number | 04-2207613 |
| Entity Address, Address Line One | 770 Cochituate Road |
| Entity Address, City or Town | Framingham |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01701 |
| City Area Code | 508 |
| Local Phone Number | 390-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000109198 |
| Title of 12(b) Security | Common Stock, par value $1.00 per share |
| Trading Symbol | TJX |
| Security Exchange Name | NYSE |
