Nature of Operations and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Components of Other Income, Net

The components of other income, net for the periods ended September 30 are as follows: 

(in millions)	Three Months				Nine Months
	2021		2020		2021		2020
Other components of net periodic benefit cost1	$	(11)	$	(9)	$	(34)	$	(24)
Net (gain) loss from investments	(11)		3		(17)		8
Other income, net	$	(22)	$	(6)	$	(51)	$	(16)

1    The net periodic benefit cost for our retirement and post retirement plans for the nine months ended September 30, 2020 includes a non-cash pre-tax settlement charge of $3 million.