Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2019

Accounts Receivable [Abstract]

Accounts Receivable

($ in millions)	March 31, 2019		December 31, 2018
Retail and wholesale	$	724	$	745
Other		82		83
Less: Allowance for doubtful accounts		(91)		(105)
Accounts receivable, net	$	715	$	723

Allowance For Doubtful Accounts

	For the three months ended March 31,
($ in millions)	2019		2018
Bad debt expense	$	14	$	19