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Pensions and Other Benefit Plans (Tables)
9 Months Ended
Oct. 02, 2022
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost
Net periodic benefit costs for the Company’s defined benefit retirement plans and other benefit plans include the following components:
Fiscal Third Quarter EndedFiscal Nine Months Ended
 Retirement PlansOther Benefit PlansRetirement PlansOther Benefit Plans
(Dollars in Millions)October 2, 2022October 3, 2021October 2, 2022October 3, 2021October 2, 2022October 3, 2021October 2, 2022October 3, 2021
Service cost$313 339 80 78 953 1,019 240 232 
Interest cost226 192 26 20 685 578 79 61 
Expected return on plan assets(683)(661)(2)(1)(2,075)(1,988)(6)(5)
Amortization of prior service cost/(credit)(46)(46)(1)(8)(138)(136)(4)(23)
Recognized actuarial losses163 314 30 38 492 944 91 113 
Curtailments and settlements— — — — — — 
Net periodic benefit cost/(credit)$(27)138 133 127 (82)418 400 378