Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefit Plans (Details)

v3.7.0.1
Pension and Other Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jul. 01, 2016
Jun. 30, 2017
Jul. 01, 2016
Net periodic pension and other Postretirement benefit cost        
Contributions to pension plan     $ 55 $ 502
Pension plans, anticipated additional contributions for remainder of current fiscal year     $ 37  
Pension Benefits        
Net periodic pension and other Postretirement benefit cost        
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets 8.00%   8.00%  
Service cost $ 50 $ 60 $ 100 119
Interest cost 78 80 156 160
Expected return on plan assets (163) (165) (324) (329)
Amortization of prior service cost (credit) 0 (1) 0 (1)
Amortization of net actuarial loss 45 46 89 92
Net periodic benefit cost (credit) 10 20 21 41
Defined Benefit Plan, Curtailments 0 0 0 0
Special termination benefits 39 5 57 13
Total cost recognized in statements of income $ 49 25 $ 78 54
Other Benefits        
Net periodic pension and other Postretirement benefit cost        
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets 4.50%   4.50%  
Service cost $ 4 6 $ 9 11
Interest cost 7 7 15 15
Expected return on plan assets (3) (2) (6) (5)
Amortization of prior service cost (credit) (4) (4) (9) (9)
Amortization of net actuarial loss 2 1 4 3
Net periodic benefit cost (credit) 6 8 13 15
Defined Benefit Plan, Curtailments (42) 0 (42) 0
Special termination benefits 0 0 0 0
Total cost recognized in statements of income $ (36) $ 8 $ (29) $ 15