Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2013

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension Cost

Components of net periodic pension cost consisted of the following:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(In millions)
Service cost	$	18		$	19		$	55		$	55
Interest cost		22			22			66			66
Expected return on plan assets		(36	)		(29	)		(105	)		(87	)
Amortization of net loss		12			21			46			63
Pension expense	$	16		$	33		$	62		$	97