Retirement Plans (Tables)

3 Months Ended

Mar. 29, 2014

Retirement Plans

Components of net periodic benefit cost

	Pension Benefits						Postretirement Benefits Other Than Pensions
(In millions)	March 29, 2014			March 30, 2013			March 29, 2014			March 30, 2013
Three Months Ended
Service cost	$	27		$	33		$	1		$	2
Interest cost	79			73			5			5
Expected return on plan assets	(111		)	(105		)	—			—
Amortization of prior service cost (credit)	4			4			(6		)	(3		)
Amortization of net actuarial loss	28			46			1			2
Net periodic benefit cost	$	27		$	51		$	1		$	6