| Component: (Network and Table) | |
|---|---|
| Network | 173 - Disclosure - Weighted Average Assumptions for Obligation (Detail) (http://www.tjx.com/taxonomy/role/DisclosureWeightedAverageAssumptionsForObligation) |
| Table | Schedule of Defined Benefit Plans Disclosures [Table] |
| Reporting Entity [Axis] | 0000109198 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Defined Benefit Plan Disclosure [Line Items] | Period [Axis] | |||
|---|---|---|---|---|
2017-01-28 | 2016-01-30 | |||
| Defined Benefit Plans and Other Postretirement Benefit Plans | Defined Benefit Plans and Other Postretirement Benefit Plans | |||
| Funded Plan | Unfunded Plan | Funded Plan | Unfunded Plan | |
Discount rate | ||||
Rate of compensation increase | ||||