Retirement Plans (Tables)

6 Months Ended

Jun. 29, 2013

Retirement Plans

Components of net periodic benefit cost

	Pension Benefits						Postretirement Benefits Other Than Pensions
(In millions)	June 29, 2013			June 30, 2012			June 29, 2013			June 30, 2012
Three Months Ended
Service cost	$	34		$	29		$	2		$	1
Interest cost	73			76			5			7
Expected return on plan assets	(105		)	(102		)	—			—
Amortization of prior service cost (credit)	3			4			(2		)	(3		)
Amortization of net actuarial loss	46			30			1			1
Net periodic benefit cost	$	51		$	37		$	6		$	6
Six Months Ended
Service cost	$	67		$	59		$	4		$	3
Interest cost	146			152			10			13
Expected return on plan assets	(210		)	(203		)	—			—
Amortization of prior service cost (credit)	7			8			(5		)	(6		)
Amortization of net actuarial loss	92			59			3			3
Net periodic benefit cost	$	102		$	75		$	12		$	13