Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2019

Accounts Receivable [Abstract]

Accounts Receivable

($ in millions)	2019			2018
Retail and Wholesale	$	678		$	745
Other		71			83
Less: Allowance for doubtful accounts		(120	)		(105	)
Accounts receivable, net	$	629		$	723

Schedule Of Allowance For Doubtful Accounts

($ in millions)	Balance at beginning of the Period		ASC 606 Transition Adjustment		Increases: Charged to Revenue		Decreases: Write-offs and Customer Credits			Reclassified to Assets Held for Sale			Balance at end of the Period
2017	$	131	$	-	$	87	$	(149	)	$	-		$	69
2018	$	69	$	32	$	93	$	(89	)	$	-		$	105
2019	$	105	$	-	$	109	$	(83	)	$	(11	)	$	120