Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit (Income) Cost

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

	Pension				Postretirement				Pension				Postretirement
	For the Nine Months Ended September 30,								For the Three Months Ended September 30,
(in millions)	2022		2021		2022		2021		2022		2021		2022		2021
Service cost	$	48	$	51	$	17	$	15	$	16	$	17	$	7	$	5
Interest cost	155		139		31		29		51		46		11		8
Expected return on plan assets	(370)		(393)		(10)		(10)		(123)		(131)		(4)		(2)
Amortization:
Net loss	72		99		14		16		24		33		6		2
Prior service cost (credit)	5		3		(34)		(35)		2		1		(11)		(20)
Net periodic benefit (income) cost	$	(90)	$	(101)	$	18	$	15	$	(30)	$	(34)	$	9	$	(7)