(8) Pension and Other Postretirement Benefits

The Company has several defined benefit pension plans and postretirement benefit (OPEB) plans, primarily health care and life insurance plans, covering its U.S. employees and employees in certain foreign countries.

The worldwide components of net periodic pension cost consisted of the following in millions of dollars:


	Three Months Ended				Six Months Ended
	April 28		April 29		April 28		April 29
	2019		2018		2019		2018
Service cost	$	66	$	76	$	132	$	148
Interest cost		111		97		222		195
Expected return on plan assets		(200)		(194)		(400)		(388)
Amortization of actuarial loss		36		54		71		115
Amortization of prior service cost		3		3		6		6
Settlements/curtailments				6				6
Net cost	$	16	$	42	$	31	$	82

The worldwide components of net periodic OPEB cost consisted of the following in millions of dollars:


	Three Months Ended				Six Months Ended
	April 28		April 29		April 28		April 29
	2019		2018		2019		2018
Service cost	$	10	$	11	$	20	$	22
Interest cost		53		48		107		96
Expected return on plan assets		(9)		(6)		(18)		(11)
Amortization of actuarial loss		3		15		8		31
Amortization of prior service credit		(18)		(19)		(36)		(38)
Net cost	$	39	$	49	$	81	$	100

The components of net periodic pension and OPEB costs excluding the service cost component are included in the line item other operating expenses in the statement of consolidated income.

During the first six months of 2019, the Company contributed approximately $32 million to its pension plans and $72 million to its OPEB plans. The Company presently anticipates contributing an additional $36 million to its pension plans and $64 million to its OPEB plans during the remainder of fiscal year 2019. These contributions primarily include direct benefit payments from Company funds.