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Pensions and Other Benefit Plans (Tables)
3 Months Ended
Apr. 03, 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 First Quarter Ended
 Retirement PlansOther Benefit Plans
(Dollars in Millions)April 3, 2022April 4, 2021April 3, 2022April 4, 2021
Service cost$321 353 80 77 
Interest cost230 193 26 20 
Expected return on plan assets(699)(680)(2)(2)
Amortization of prior service cost/(credit)(46)(45)(1)(8)
Recognized actuarial losses162 314 30 38 
Curtailments and settlements— — 
Net periodic benefit cost/(credit)$(31)136 133 125