Pensions and Other Postretirement Benefits (Tables)

6 Months Ended

Jul. 01, 2011

Pensions and Other Postretirement Benefits (Tables) [Abstract]

Components of net periodic benefit cost

	Pension Plans												Postretirement Benefit Plans
	Second Quarter Ended						First Half Ended						Second Quarter Ended						First Half Ended
	July 1,			June 25,			July 1,			June 25,			July 1,			June 25,			July 1,			June 25,
	2011			2010			2011			2010			2011			2010			2011			2010
	(in millions)
Components of net periodic benefit cost:
Service cost	$	28		$	25		$	56		$	49		$	2		$	2		$	3		$	3
Interest cost		32			30			64			60			2			3			5			6
Expected return on plan assets		(35	)		(28	)		(70	)		(56	)		—			(1	)		(1	)		(1	)
Amortization of prior service costs (credits)		—			1			—			2			(1	)		(1	)		(2	)		(2	)
Amortization of net losses		13			9			27			19			1			—			1			—
Curtailment loss (gain)		1			—			2			—			(1	)		(2	)		—			(2	)
Net periodic benefit cost	$	39		$	37		$	79		$	74		$	3		$	1		$	6		$	4