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 6 Months Ended
Jul. 01, 2016
Jul. 03, 2015
Jul. 01, 2016
Jul. 03, 2015
Net periodic pension and other Postretirement benefit cost        
Contributions to pension plan     $ 502 $ 81
Pension plans, anticipated additional contributions for remainder of current fiscal year     21  
Pension Benefits        
Net periodic pension and other Postretirement benefit cost        
Service cost $ 60 $ 66 119 133
Interest cost 80 95 160 190
Expected return on plan assets (165) (176) (329) (353)
Amortization of prior service cost (credit) (1) 0 (1) 0
Amortization of net actuarial loss 46 50 92 99
Net periodic benefit cost (credit) 20 35 41 69
Special termination benefits 5 9 13 9
Total cost recognized in statements of income 25 44 54 78
Other Benefits        
Net periodic pension and other Postretirement benefit cost        
Service cost 6 7 11 14
Interest cost 7 10 15 19
Expected return on plan assets (2) (3) (5) (6)
Amortization of prior service cost (credit) (4) (4) (9) (9)
Amortization of net actuarial loss 1 2 3 5
Net periodic benefit cost (credit) 8 12 15 23
Special termination benefits 0 0 0 0
Total cost recognized in statements of income $ 8 $ 12 $ 15 $ 23