Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Schedule of components net periodic (benefit) cost

The following table shows the components of net periodic (benefit) cost:

	Pension Benefits				Other Postretirement and Postemployment Benefits
(in millions)	2020		2019		2020		2019
Three Months Ended June 30,
Service cost	$	—	$	—	$	24	$	21
Interest cost	175		208		28		34
Expected return on plan assets	(343)		(296)		(11)		(12)
Amortization of prior service credit	—		—		(2)		(2)
Recognized net actuarial loss	74		72		10		9
Settlements	3		2		—		—
Net periodic (benefit) cost	$	(91)	$	(14)	$	49	$	50
Six Months Ended June 30,
Service cost	$	—	$	—	$	48	$	42
Interest cost	351		417		56		68
Expected return on plan assets	(687)		(593)		(22)		(24)
Amortization of prior service credit	—		—		(4)		(5)
Recognized net actuarial loss	149		145		21		20
Settlements	3		2		—		—
Net periodic (benefit) cost	$	(184)	$	(29)	$	99	$	101