Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Schedule of net periodic benefit cost

The components of net periodic benefit cost for our retirement plans and postretirement plans for the periods ended September 30 are as follows: 

(in millions)	Three Months				Nine Months
	2022		2021		2022		2021
Service cost	$	1	$	1	$	2	$	3
Interest cost	12		10		36		31
Expected return on assets	(22)		(26)		(65)		(78)
Amortization of prior service credit / actuarial loss	3		5		9		13
Net periodic benefit cost	$	(6)	$	(10)	$	(18)	$	(31)