Retirement Plans (Tables)

3 Months Ended

Apr. 04, 2015

Retirement Plans

Components of net periodic benefit cost

	Pension Benefits				Postretirement Benefits Other Than Pensions
(In millions)	April 4, 2015		March 29, 2014		April 4, 2015		March 29, 2014
Three Months Ended
Service cost	$	30	$	27	$	1	$	1
Interest cost	81		79		4		5
Expected return on plan assets	(121)		(111)		—		—
Amortization of prior service cost (credit)	4		4		(6)		(6)
Amortization of net actuarial loss	39		28		—		1
Net periodic benefit cost (credit)	$	33	$	27	$	(1)	$	1