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Pension Plans and Other Retirement Benefits (Tables) | 9 Months Ended
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Oct. 31, 2020
Retirement Benefits [Abstract] |
Financial Information Related to Funded Defined Benefit Pension Plan and Unfunded Supplemental Retirement Plan | Presented below is financial information relating to TJX’s funded defined benefit pension plan (“qualified pension plan” or “funded plan”) and its unfunded supplemental pension plan (“unfunded plan”) for the periods shown:
| Funded Plan | Unfunded Plan
| Thirteen Weeks Ended | Thirteen Weeks Ended
In thousands | October 31, 2020 | November 2, 2019 | October 31, 2020 | November 2, 2019
Service cost | $ | 12,512 |  | $ | 11,415 |  | $ | 404 |  | $ | 440 |
Interest cost | 12,620 |  | 13,149 |  | 860 |  | 871 |
Expected return on plan assets | (22,264) |  | (18,630) |  | — |  | — |
Amortization of net actuarial loss and prior service cost | 6,028 |  | 5,556 |  | 1,394 |  | 471 |
Total expense | $ | 8,896 |  | $ | 11,490 |  | $ | 2,658 |  | $ | 1,782 |
| Funded Plan | Unfunded Plan
| Thirty-Nine Weeks Ended | Thirty-Nine Weeks Ended
In thousands | October 31, 2020 | November 2, 2019 | October 31, 2020 | November 2, 2019
Service cost | $ | 37,592 |  | $ | 33,513 |  | $ | 1,822 |  | $ | 1,544 |
Interest cost | 37,658 |  | 39,129 |  | 2,462 |  | 2,805 |
Expected return on plan assets | (66,748) |  | (55,606) |  | — |  | — |
Amortization of net actuarial loss and prior service cost | 17,046 |  | 14,574 |  | 3,462 |  | 2,343 |
Total expense | $ | 25,548 |  | $ | 31,610 |  | $ | 7,746 |  | $ | 6,692 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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