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Retirement Benefits (Tables) | 6 Months Ended
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Jul. 04, 2025
Retirement Benefits [Abstract] |
Schedule of Net Periodic Pension Benefit | The components of net periodic pension benefit related to the frozen U.K. pension for the three and six months ended July 4, 2025 and June 28, 2024, respectively, were as follows:
| Three Months Ended |  | Six Months Ended
| July 4, |  | June 28, |  | July 4, |  |  |  | June 28,
Dollars in millions | 2025 |  | 2024 |  | 2025 |  |  |  | 2024
Components of net periodic pension benefit |  |  |  |  |  |  |  |  |
Interest cost | $ | 15 |  |  | $ | 15 |  |  | $ | 30 |  |  |  |  | $ | 30 |
Expected return on plan assets | (28) |  |  | (28) |  |  | (54) |  |  |  |  | (56) |
Amortization of prior service cost | 1 |  |  | — |  |  | 1 |  |  |  |  | — |
Recognized actuarial loss | 1 |  |  | 1 |  |  | 2 |  |  |  |  | 2 |
Net periodic pension benefit | $ | (11) |  |  | $ | (12) |  |  | $ | (21) |  |  |  |  | $ | (24) |

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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://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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