Retirement and Post-retirement Benefit Plans

3 Months Ended

Mar. 31, 2017

Retirement and Post-retirement Benefit Plans

Retirement and Post-retirement Benefit Plans

8. Retirement and Post-retirement Benefit Plans

The following tables set forth the components of the net periodic benefit costs for Occidental’s defined benefit pension and post-retirement benefit plans for the three months ended March 31, 2017, and 2016 (in millions):

Three months ended March 31	2017					2016
Net Periodic Benefit Costs	Pension Benefit			Post- retirement Benefit		Pension Benefit			Post- retirement Benefit
Service cost	$	2		$	5	$	2		$	5
Interest cost	4			10		4			10
Expected return on plan assets	(6		)	—		(6		)	—
Recognized actuarial loss	2			4		3			5
Total	$	2		$	19	$	3		$	20

Occidental contributed approximately $1 million in each of the three months ended March 31, 2017, and 2016.