RETIREMENT AND POSTRETIREMENT BENEFIT PLANS

6 Months Ended

Jun. 30, 2015

RETIREMENT AND POSTRETIREMENT BENEFIT PLANS

RETIREMENT AND POSTRETIREMENT BENEFIT PLANS

NOTE 10RETIREMENT AND POSTRETIREMENT BENEFIT PLANS

The following table sets forth the components of the net periodic benefit costs for our defined benefit pension and postretirement benefit plans:

	Three months ended June 30,
	2015					2014
	Pension Benefit			Postretirement Benefit		Pension Benefit			Postretirement Benefit
	(in millions)
Service cost	$	1		$	1		$ 1		$	1
Interest cost		1			1		1			1
Expected return on plan assets		(1	)		—		(1	)		—
Recognized actuarial loss		1			—		1			—
Settlements		8			—		—			—
Total	$	10		$	2	$	2		$	2

	Six months ended June 30,
	2015					2014
	Pension Benefit			Postretirement Benefit		Pension Benefit			Postretirement Benefit
	(in millions)
Service cost	$	2		$	2	$	2		$	2
Interest cost		2			2		2			2
Expected return on plan assets		(2	)		—		(3	)		—
Recognized actuarial loss		1			—		1			—
Settlements		8			—		—			—
Total	$	11		$	4	$	2		$	4

We contributed $3 million to our defined benefit pension plans during the three months ended June 30, 2015. We did not make any contributions during the three months ended March 31, 2015 or either of the three- or six-month periods ended June 30, 2014.  The 2015 settlements were associated with early retirements.