Accounts Receivable

6 Months Ended

Jun. 30, 2019

Accounts Receivable [Abstract]

Accounts Receivable

(4) Accounts Receivable:

The components of accounts receivable, net are as follows:

($ in millions)	June 30, 2019		December 31, 2018
Retail and wholesale	$	680	$	745
Other		77		83
Less: Allowance for doubtful accounts		(83)		(105)
Accounts receivable, net	$	674	$	723

We maintain an allowance for doubtful accounts based on our estimate of our ability to collect accounts receivable.

Bad debt expense, which is recorded as a reduction to revenue, is as follows:

	For the three months ended June 30,				For the six months ended June 30,
($ in millions)	2019		2018		2019		2018
Bad debt expense	$	18	$	22	$	32	$	41