Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2022

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
	2022		2021		2022		2021
Three months ended March 31
Service cost	$	38	$	40	$	2	$	2
Interest cost	21		18		2		2
Expected return on plan assets	(48)		(48)		—		—
Amortization of:
Net actuarial loss	13		20		—		—
Prior service credit	(4)		(4)		(1)		(2)
Net periodic benefit cost	$	20	$	26	$	3	$	2