Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Periodic benefit cost related to our defined benefit plans, net

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 September 30
Service cost	$	28	$	37	$	1	$	1
Interest cost	30		22		3		2
Expected return on plan assets	(50)		(48)		—		—
Amortization of:
Net actuarial (gain) loss	(2)		14		(1)		—
Prior service credit	(5)		(5)		(1)		(1)
Settlement loss	—		12		—		—
Net periodic benefit cost	$	1	$	32	$	2	$	2
Nine months ended September 30
Service cost	$	84	$	114	$	3	$	4
Interest cost	90		64		9		6
Expected return on plan assets	(151)		(144)		—		—
Amortization of:
Net actuarial (gain) loss	(5)		40		(4)		—
Prior service credit	(14)		(14)		(3)		(3)
Settlement loss	—		12		—		—
Net periodic benefit cost	$	4	$	72	$	5	$	7