Employee Benefit Plans

9 Months Ended

Sep. 30, 2024

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
	2024		2023		2024		2023
Three months ended September 30
Service cost	$	28	$	28	$	1	$	1
Interest cost	31		30		3		3
Expected return on plan assets	(54)		(50)		—		—
Amortization of:
Net actuarial gain	(1)		(2)		(1)		(1)
Prior service credit	(3)		(5)		—		(1)
Settlement loss	5		—		—		—
Net periodic benefit cost	$	6	$	1	$	3	$	2
Nine months ended September 30
Service cost	$	84	$	84	$	3	$	3
Interest cost	94		90		9		9
Expected return on plan assets	(161)		(151)		—		—
Amortization of:
Net actuarial gain	(4)		(5)		(3)		(4)
Prior service credit	(8)		(14)		—		(3)
Settlement loss	5		—		—		—
Net periodic benefit cost	$	10	$	4	$	9	$	5

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, net.”