Retirement Plans (Tables)

9 Months Ended

Sep. 28, 2013

Retirement Plans

Components of net periodic benefit cost

	Pension Benefits					Postretirement Benefits Other Than Pensions
(In millions)	September 28, 2013		September 29, 2012			September 28, 2013		September 29, 2012
Three Months Ended
Service cost	$	33	$	30		$	1	$	2
Interest cost	72		77			5		6
Expected return on plan assets	(104)		(102		)	—		—
Amortization of prior service cost (credit)	4		4			(6)		(3		)
Amortization of net actuarial loss	46		29			2		2
Net periodic benefit cost	$	51	$	38		$	2	$	7
Nine Months Ended
Service cost	$	100	$	89		$	5	$	5
Interest cost	218		229			15		19
Expected return on plan assets	(314)		(305		)	—		—
Amortization of prior service cost (credit)	11		12			(11)		(9		)
Amortization of net actuarial loss	138		88			5		5
Net periodic benefit cost	$	153	$	113		$	14	$	20