Retirement and Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Retirement and Postretirement Benefit Plans

Components of the net periodic benefit cost (in millions)

Three months ended September 30	2014					2013
Net Periodic Benefit Costs	Pension Benefit			Postretirement Benefit		Pension Benefit			Postretirement Benefit
Service cost	$	3		$	7	$	3		$	8
Interest cost	6			10		6			11
Expected return on plan assets	(8		)	—		(7		)	—
Recognized actuarial loss	1			4		10			9
Total	$	2		$	21	$	12		$	28

Nine months ended September 30	2014					2013
Net Periodic Benefit Costs	Pension Benefit			Postretirement Benefit		Pension Benefit			Postretirement Benefit
Service cost	$	9		$	19	$	10		$	22
Interest cost	18			34		19			32
Expected return on plan assets	(25		)	—		(23		)	—
Recognized actuarial loss	4			16		18			29
Total	$	6		$	69	$	24		$	83