PENSION AND POSTRETIREMENT BENEFIT PLANS

9 Months Ended

Sep. 30, 2018

PENSION AND POSTRETIREMENT BENEFIT PLANS

PENSION AND POSTRETIREMENT BENEFIT PLANS

NOTE 11 PENSION 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 September 30,
	2018				2017
	Pension		Postretirement		Pension		Postretirement
	Benefit		Benefit		Benefit		Benefit
	(in millions)
Service cost	$	—	$	1	$	—	$	1
Interest cost		—		1		1		1
Expected return on plan assets		(1)		—		(1)		—
Recognized actuarial loss		1		—		—		—
Settlement loss		—		—		1		—
Total	$	—	$	2	$	1	$	2


	Nine months ended September 30,
	2018				2017
	Pension		Postretirement		Pension		Postretirement
	Benefit		Benefit		Benefit		Benefit
	(in millions)
Service cost	$	1	$	3	$	1	$	3
Interest cost		1		3		2		3
Expected return on plan assets		(2)		—		(2)		—
Recognized actuarial loss		1		—		1		—
Settlement loss		4		—		4		—
Total	$	5	$	6	$	6	$	6

We contributed $6 million and $1, respectively, to our defined benefit pension plans in the three months ended September 30, 2018 and 2017. We contributed $8 million and $6 million, respectively, to our defined benefit pension plans in the nine months ended September 30, 2018 and 2017. We do not expect to make any additional contributions to our defined benefit plans during the remainder of 2018. The 2018 and 2017 settlement losses were associated with early retirements.