Investment And Other Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2020

Investment And Other Income (Loss) [Abstract]

Components Of Investment And Other Income

	For the three months ended				For the nine months ended
	September 30,				September 30,
($ in millions)	2020		2019		2020		2019
Interest and dividend income	$	-	$	2	$	4	$	6
Pension and OPEB costs		(16)		(12)		(35)		(34)
All other, net		2		-		2		-
Total investment and other loss, net	$	(14)	$	(10)	$	(29)	$	(28)