Employee Retirement Plans

6 Months Ended

Jun. 30, 2019

Employee Retirement Plans [Abstract]

Employee Retirement Plans

8. Employee Retirement Plans

The following table summarizes the components of net periodic benefit cost for Corning’s defined benefit pension and postretirement health care and life insurance plans (in millions):

	Pension benefits								Postretirement benefits
	Three months ended				Six months ended				Three months ended				Six months ended
	June 30,				June 30,				June 30,				June 30,
	2019		2018		2019		2018		2019		2018		2019		2018
Service cost	$	26	$	26	$	51	$	51	$	2	$	3	$	4	$	6
Interest cost		37		33		74		65		7		6		14		12
Expected return on plan assets		(43)		(48)		(86)		(95)
Amortization of prior service ‎   cost (credit)		1		2		3		4		(2)		(2)		(4)		(3)
Recognition of actuarial loss		23		1		23		1
Total pension and postretirement ‎   benefit expense	$	44	$	14	$	65	$	26	$	7	$	7	$	14	$	15

The components of net periodic benefit cost other than the service cost component are included in the line item “Other (expense) income, net” in the consolidated statements of income.