Other Assets (Tables)

3 Months Ended

Mar. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Assets

Other assets were as follows:

	March 31,		December 31,
($ in millions)	2018		2017
Inventory deposits	$	16	$	—
Deferred selling, marketing, general and administrative expenses		26		3
Prepaid expenses		46		18
Other		23		23
	$	111	$	44