Employee Benefit Plans

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

EMPLOYEE BENEFIT PLANS

7.    EMPLOYEE BENEFIT PLANS

The components of net periodic benefit cost related to our defined benefit plans were as follows (in millions):

	Pension Plans				Other Postretirement Benefit Plans
	2023		2022		2023		2022
Three months ended March 31
Service cost	$	28	$	38	$	1	$	2
Interest cost	30		21		3		2
Expected return on plan assets	(50)		(48)		—		—
Amortization of:
Net actuarial (gain) loss	(2)		13		(1)		—
Prior service credit	(5)		(4)		(1)		(1)
Net periodic benefit cost	$	1	$	20	$	2	$	3

The components of net periodic benefit cost other than the service cost component (i.e., the non-service cost components) are included in “other income (expense), net.”