Investment And Other Income (Loss), Net (Tables)

12 Months Ended

Dec. 31, 2022

Investment And Other Income (Loss), Net [Abstract]

Components Of Investment And Other Income (Loss)

	Successor				Predecessor
	For the year ended		For the eight months		For the four months		For the year ended
	December 31,		ended December 31,		ended April 30,		December 31,
($ in millions)	2022		2021		2021		2020
Interest and dividend income	$	42	$	1	$	-	$	4
Pension benefit		75		52		6		(36)
OPEB costs		(18)		(50)		(4)		(7)
OPEB remeasurement gain		248		-		-		-
Pension remeasurement gain		218		-		-		-
All other, net		(11)		(8)		(1)		(4)
Total investment and other income (loss), net	$	554	$	(5)	$	1	$	(43)