Other Assets (Tables)

9 Months Ended

Sep. 30, 2019

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Assets

Other assets were as follows:

	September 30,		December 31,
($ in millions)	2019		2018
Inventory deposits	$	7	$	46
Prepaid expenses		23		18
Other		45		31
	$	75	$	95