Retirement and Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

Retirement and Postretirement Benefit Plans

Components of the net periodic benefit cost (in millions)

Three months ended June 30	2014					2013
Net Periodic Benefit Costs	PensionBenefit			PostretirementBenefit		PensionBenefit			PostretirementBenefit
Service cost	$	3		$	6	$	3		$	7
Interest cost		6			12		7			10
Expected return on plan assets		(9	)		—		(8	)		—
Recognized actuarial loss		2			6		4			10
Total	$	2		$	24	$	6		$	27

Six months ended June 30	2014					2013
Net Periodic Benefit Costs	PensionBenefit			PostretirementBenefit		PensionBenefit			PostretirementBenefit
Service cost	$	6		$	12	$	7		$	14
Interest cost		12			24		13			21
Expected return on plan assets		(17	)		—		(16	)		—
Recognized actuarial loss		3			12		8			20
Total	$	4		$	48	$	12		$	55