Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans (Details)

v3.20.1
Pension and Other Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 27, 2020
Mar. 29, 2019
Net periodic pension and other Postretirement benefit cost    
Contributions to pension plan $ 7 $ 6
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year $ 20  
Pension Benefits    
Net periodic pension and other Postretirement benefit cost    
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 7.50%  
Service cost $ 28 26
Interest cost 59 72
Expected return on plan assets (147) (138)
Amortization of prior service cost (credit) 0 (1)
Amortization of net actuarial loss 43 38
Defined Benefit Plan Net Periodic Benefit Cost Excluding Settlement Curtailment and Special Termination Benefits $ (17) (3)
Other Benefits    
Net periodic pension and other Postretirement benefit cost    
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 4.50%  
Service cost $ 3 2
Interest cost 6 7
Expected return on plan assets (4) (3)
Amortization of prior service cost (credit) (1) (1)
Amortization of net actuarial loss 1 1
Defined Benefit Plan Net Periodic Benefit Cost Excluding Settlement Curtailment and Special Termination Benefits $ 5 $ 6