Other (Income) Expense, Net (Tables)

9 Months Ended

Sep. 30, 2021

Other Income and Expenses [Abstract]

Schedule of Other Operating and Nonoperating Income (Expense)

Other (income) expense, net, consisted of:

	Three Months Ended September 30,				Nine Months Ended September 30,
($ in millions)	2021		2020		2021		2020
Exchange (gains) losses	$	1	$	18	$	6	$	52
Interest expense	98		—		160		—
Other, net	3		(8)		16		(8)
	$	102	$	10	$	182	$	44