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Retirement Benefits
 9 Months Ended
Oct. 03, 2025
Retirement Benefits [Abstract]  
Retirement Benefits Retirement Benefits
We have two frozen defined benefit pension plans in the U.S., one frozen and one active plan in the U.K. and one frozen plan in Germany. The components of net periodic pension benefit related to the frozen U.K. pension for the three and nine months ended October 3, 2025 and September 27, 2024, respectively, were as follows:
 Three Months EndedNine Months Ended
October 3,September 27,October 3,September 27,
Dollars in millions2025202420252024
Components of net periodic pension benefit
Interest cost$16 $15 $46 $45 
Expected return on plan assets(29)(28)(83)(84)
Amortization of prior service cost— 1 1 1 
Recognized actuarial loss1 — 3 2 
Net periodic pension benefit$(12)$(12)$(33)$(36)
In 2024, the Trustee of the U.K. defined benefit pension plan commenced the triennial actuarial valuation of the plan which was finalized during the nine months ended October 3, 2025. At this time, we do not anticipate contributing additional funding to this plan at least until the next triennial valuation occurs.