Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2022

Pension [Member]

Net Periodic Benefit Cost

	Pension Benefits
	For the three months ended September 30,		For the three months ended September 30,
($ in millions)	2022		2021
Components of total pension benefit cost
Service cost	$	14	$	20
Interest cost on projected benefit obligation		22		26
Expected return on plan assets		(46)		(49)
Amortization of unrecognized loss		-		-
Net periodic pension (benefit)		(10)		(3)
Pension settlement costs		50		-
Pension remeasurement gain		(91)		-
Total pension (benefit)	$	(51)	$	(3)
	Successor				Predecessor
	Pension Benefits
	For the nine months ended September 30,		For the five months ended September 30,		For the four months ended April 30,
($ in millions)	2022		2021		2021
Components of total pension benefit cost
Service cost	$	55	$	33	$	32
Interest cost on projected benefit obligation		71		44		31
Expected return on plan assets		(145)		(80)		(61)
Amortization of unrecognized loss		-		-		24
Net periodic pension (benefit) cost	$	(19)	$	(3)	$	26
Pension settlement costs		50		-		-
Pension remeasurement gain		(91)		-		-
Total pension (benefit) cost	$	(60)	$	(3)	$	26

OPEB [Member]

Net Periodic Benefit Cost

	Postretirement
	For the three months ended September 30,		For the three months ended September 30,
($ in millions)	2022		2021
Components of net periodic postretirement benefit cost
Service cost	$	3	$	4
Interest cost on projected benefit obligation		9		7
Amortization of prior service benefit		(4)		(2)
OPEB remeasurement (gain) loss		(84)		54
Total periodic postretirement (benefit) cost	$	(76)	$	63
	Successor				Predecessor
	Postretirement
	For the nine months ended September 30,		For the five months ended September 30,		For the four months ended April 30,
($ in millions)	2022		2021		2021
Components of net periodic postretirement benefit cost
Service cost	$	10	$	7	$	7
Interest cost on projected benefit obligation		23		12		9
Amortization of prior service benefit		(10)		(3)		(10)
OPEB remeasurement (gain) loss		(234)		67		-
Amortization of unrecognized loss		-		-		5
Net periodic postretirement (benefit) cost	$	(211)	$	83	$	11