Other (Income) Expense, Net (Tables)

9 Months Ended

Sep. 30, 2023

Other Income and Expenses [Abstract]

Other (Income) Expense, Net

Other (income) expense, net, consisted of: 

	Three Months Ended September 30,				Nine Months Ended September 30,
($ in millions)	2023		2022		2023		2022
Interest income	$	(73)	$	(40)	$	(295)	$	(62)
Interest expense	317		244		836		727
Exchange losses	85		96		208		220
Loss (income) from investments in equity securities, net (1)	33		371		(240)		1,361
Net periodic defined benefit plan (credit) cost other than service cost	(138)		(60)		(364)		(208)
Other, net	(98)		(182)		243		(462)
	$	126	$	429	$	388	$	1,576

(1)    Includes net realized and unrealized gains and losses from investments in equity securities either owned directly or through ownership interests in investment funds. Unrealized gains and losses from investments that are directly owned are determined at the end of the reporting period, while gains and losses from ownership interests in investment funds are accounted for on a one quarter lag.