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. 03, 2015
Jun. 27, 2014
Jul. 03, 2015
Jun. 27, 2014
Net periodic pension and other Postretirement benefit cost        
Contributions to pension plan     $ 81 $ 165
Pension plans, anticipated additional contributions for remainder of current fiscal year       13
Pension Benefits        
Net periodic pension and other Postretirement benefit cost        
Service cost $ 66 $ 67 133 134
Interest cost 95 102 190 203
Expected return on plan assets (176) (180) (353) (358)
Amortization of prior service cost (credit) 0 0 0 (1)
Amortization of net actuarial loss 50 18 99 36
Net periodic benefit cost (credit) 35 7 69 14
Defined Benefit Plan, Special Termination Benefits 9 0 9 0
Defined Benefit Plan, Settlements, Benefit Obligation 0 2 0 2
Total cost (credit) recognized in statements of income 44 9 78 16
Other Benefits        
Net periodic pension and other Postretirement benefit cost        
Service cost 7 7 14 13
Interest cost 10 10 19 21
Expected return on plan assets (3) (3) (6) (6)
Amortization of prior service cost (credit) (4) (4) (9) (8)
Amortization of net actuarial loss 2 1 5 2
Net periodic benefit cost (credit) 12 11 23 22
Defined Benefit Plan, Special Termination Benefits 0 0 0 0
Defined Benefit Plan, Settlements, Benefit Obligation 0 0 0 0
Total cost (credit) recognized in statements of income $ 12 $ 11 $ 23 $ 22