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Pensions and Other Benefit Plans (Tables)
9 Months Ended
Oct. 01, 2023
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost
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 1, 2023October 2, 2022October 1, 2023October 2, 2022October 1, 2023October 2, 2022October 1, 2023October 2, 2022
Service cost$210 313 61 80 638 953 198 240 
Interest cost363 226 51 26 1,090 685 160 79 
Expected return on plan assets(680)(683)(1)(2)(2,042)(2,075)(4)(6)
Amortization of prior service cost/(credit)(47)(46)— (1)(139)(138)(1)(4)
Recognized actuarial (gains) losses(50)163 30 (150)492 17 91 
Curtailments and settlements72 — (9)— 72 (9)— 
Net periodic benefit cost/(credit)$(132)(27)106 133 (531)(82)361 400