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Postretirement Benefits (Tables)
6 Months Ended
Jul. 03, 2021
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
Pension and other postretirement benefit costs included the following components for the three months ended July 3, 2021 and June 27, 2020:
Pension BenefitsOther Postretirement Benefits
(in millions)July 3,
2021
June 27,
2020
July 3,
2021
June 27,
2020