Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans (Details)

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Pension and Other Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 01, 2016
Apr. 03, 2015
Net periodic pension and other Postretirement benefit cost    
Contributions to pension plan $ 493 $ 78
Pension plans, anticipated additional contributions for remainder of current fiscal year 27  
Pension Benefits    
Net periodic pension and other Postretirement benefit cost    
Service cost 59 67
Interest cost 80 95
Expected return on plan assets (164) (177)
Amortization of prior service cost (credit) 0 0
Amortization of net actuarial loss 46 49
Net periodic benefit cost (credit) 21 34
Defined Benefit Plan, Special Termination Benefits 8 0
Total cost (credit) recognized in statements of income 29 34
Other Benefits    
Net periodic pension and other Postretirement benefit cost    
Service cost 5 7
Interest cost 8 9
Expected return on plan assets (3) (3)
Amortization of prior service cost (credit) (5) (5)
Amortization of net actuarial loss 2 3
Net periodic benefit cost (credit) 7 11
Defined Benefit Plan, Special Termination Benefits 0 0
Total cost (credit) recognized in statements of income $ 7 $ 11