Retirement Plans (Tables)

6 Months Ended

Jul. 02, 2016

Retirement Plans

Components of net periodic benefit cost (credit)

	Three Months Ended				Six Months Ended
(In millions)	July 2, 2016		July 4, 2015		July 2, 2016		July 4, 2015
Pension Benefits
Service cost	$	25	$	29	$	49	$	59
Interest cost	85		82		170		163
Expected return on plan assets	(122)		(121)		(245)		(242)
Amortization of net actuarial loss	26		39		52		78
Amortization of prior service cost	3		4		7		8
Curtailment and other charges	—		6		—		6
Net periodic benefit cost	$	17	$	39	$	33	$	72
Postretirement Benefits Other Than Pensions
Service cost	$	—	$	1	$	1	$	2
Interest cost	4		4		8		8
Amortization of prior service credit	(5)		(6)		(11)		(12)
Net periodic benefit credit	$	(1)	$	(1)	$	(2)	$	(2)