7. EMPLOYEE BENEFIT PLANS

Components of net periodic benefit cost (income) of the pension plans for the three months ended March 31 were as follows:



In millions	U.S. Pension Benefits		International Pension Benefits		Total Pension Benefits
In millions	2016	2015	2016	2015	2016	2015
Net service cost	$—	$—	$2	$3	$2	$3
Interest cost	23	22	7	14	30	36
Expected return on plan assets	(18)	(18)	(9)	(21)	(27)	(39)
Net periodic benefit cost (income)	$5	$4	$—	$(4)	$5	$—

The benefit from the postretirement plan for the three months ended March 31 was:



	Three months ended March 31
In millions	2016	2015
Interest cost	$—	$—
Amortization of:
Prior service benefit	(4)	(5)
Actuarial loss	1	1
Net postretirement benefit	$(3)	$(4)

The cost of the postemployment plan for the three months ended March 31 was:



	Three months ended March 31
In millions	2016	2015
Net service cost	$4	$4
Interest cost	—	1
Amortization of:
Prior service benefit	(1)	(1)
Actuarial gain	(1)	—
Net benefit cost	$2	$4
Restructuring severance cost	—	(2)
Total postemployment cost	$2	$2

Employer Contributions

Pension For the three months ended March 31, 2016, NCR contributed approximately $7 million to its international pension plans. In 2016, NCR anticipates contributing an additional $28 million to its international pension plans for a total of $35 million.

Postretirement For the three months ended March 31, 2016, NCR contributed $1 million to its U.S. postretirement plan. NCR anticipates contributing an additional $2 million to its U.S. postretirement plan for a total of $3 million in 2016.

Postemployment For the three months ended March 31, 2016, NCR contributed approximately $10 million to its postemployment plans. NCR anticipates contributing an additional $23 million to its postemployment plans for a total of $33 million in 2016, which includes planned contributions associated with the previously announced restructuring plan. See Note 3, "Restructuring Plan,"