Retirement and Post-retirement Benefit Plans

3 Months Ended

Mar. 31, 2018

Retirement and Post-retirement Benefit Plans

Retirement and Post-retirement Benefit Plans

9. 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, 2018, and 2017 (in millions):

Three months ended  March 31	2018				2017
			Post-				Post-
	Pension		retirement		Pension		retirement
Net Periodic Benefit Costs	Benefit		Benefit		Benefit		Benefit
Service cost	$	2	$	6	$	2	$	5
Interest cost		4		9		4		10
Expected return on plan assets		(6)		—		(6)		—
Recognized actuarial loss		1		4		2		4
Total	$	1	$	19	$	2	$	19

Occidental contributed approximately $1 million in each of the three months ended March 31, 2018, and 2017.