Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2019

Accounts Receivable [Abstract]

Accounts Receivable

($ in millions)	September 30, 2019		December 31, 2018
Retail and wholesale	$	669	$	745
Other		76		83
Less: Allowance for doubtful accounts		(91)		(105)
Accounts receivable, net	$	654	$	723

Allowance For Doubtful Accounts

	For the three months ended September 30,				For the nine months ended September 30,
($ in millions)	2019		2018		2019		2018
Bad debt expense	$	16	$	21	$	48	$	62