Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit (Income) Cost

Net periodic benefit cost (income) consisted of the following:

	Pension				Postretirement
	For the Three Months Ended March 31,
(in millions)	2023		2022		2023		2022
Service cost	$	9	$	15	$	4	$	5
Interest cost	83		52		17		10
Expected return on plan assets	(121)		(123)		(2)		(3)
Amortization:
Net loss	1		24		—		4
Prior service cost (credit)	1		2		(10)		(12)
Net periodic benefit cost (income)	$	(27)	$	(30)	$	9	$	4