Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2023

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
	2023		2022		2023		2022
Service cost	$	—	$	1	$	1	$	2
Interest cost	19		12		56		36
Expected return on assets	(26)		(22)		(76)		(65)
Amortization of prior service credit / actuarial loss	1		3		2		9
Net periodic benefit cost	$	(6)	$	(6)	$	(17)	$	(18)