Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 28, 2013

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

The following table summarizes the components of net periodic benefit cost for the Company’s pension and other postretirement benefit plans.

	Pension Plans												Postretirement Benefit Plans
	Second Quarter Ended						First Half Ended						Second Quarter Ended						First Half Ended
	June 28, 2013			June 29, 2012			June 28, 2013			June 29, 2012			June 28, 2013			June 29, 2012			June 28, 2013			June 29, 2012
	(in millions)
Components of net periodic benefit cost:
Service cost	$	33		$	29		$	65		$	59		$	1		$	2		$	2		$	3
Interest cost		33			33			66			66			1			2			3			5
Expected return on plan assets		(41	)		(36	)		(83	)		(71	)		(1	)		(1	)		(2	)		(2	)
Amortization of prior service (credits) cost		—			—			—			—			—			(1	)		1			(1	)
Amortization of net losses		21			17			43			34			—			1			(1	)		1
Curtailment loss		—			—			—			1			—			—			—			—
Net periodic benefit cost	$	46		$	43		$	91		$	89		$	1		$	3		$	3		$	6