Employee Benefit Plans (Tables)

6 Months Ended

Jun. 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 June 30
Service cost	$	28	$	39	$	1	$	1
Interest cost	30		21		3		2
Expected return on plan assets	(51)		(48)		—		—
Amortization of:
Net actuarial (gain) loss	(1)		13		(2)		—
Prior service credit	(4)		(5)		(1)		(1)
Net periodic benefit cost	$	2	$	20	$	1	$	2
Six months ended June 30
Service cost	$	56	$	77	$	2	$	3
Interest cost	60		42		6		4
Expected return on plan assets	(101)		(96)		—		—
Amortization of:
Net actuarial (gain) loss	(3)		26		(3)		—
Prior service credit	(9)		(9)		(2)		(2)
Net periodic benefit cost	$	3	$	40	$	3	$	5