Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2016

Accounts Receivable [Abstract]

Accounts Receivable

($ in millions)	March 31, 2016		December 31, 2015
Retail and Wholesale	$	535	$	569
Other		62		59
Less: Allowance for doubtful accounts		(53)		(57)
Accounts receivable, net	$	544	$	571