Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2014

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension Cost

Components of net periodic pension cost consisted of the following:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2014			2013			2014			2013
	(In millions)
Service cost	$	15		$	18		$	40		$	55
Interest cost		26			22			75			66
Expected return on plan assets		(41	)		(36	)		(121	)		(105	)
Amortization of net loss		8			12			23			46
Settlement loss*		11			—			19			—
Pension expense	$	19		$	16		$	36		$	62

* The Corporation recorded charges related to plan settlements of $11 million ($7 million after income taxes) and $19 million ($12 million after income taxes) for the three and nine months ended September 30, 2014, respectively, due to employee retirements.