XML 52 R41.htm IDEA: XBRL DOCUMENT v3.25.3

Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2025

Pension [Member]

Net Periodic Benefit Cost

				Pension Benefits
			For the three months ended September 30,						For the nine months ended ‎September 30,
	($ in millions)		2025			2024			2025			2024
	Components of total pension benefit cost
	Service cost		$	11		$	11		$	33		$	34
	Interest cost on projected benefit obligation			31			31			95			94
	Expected return on plan assets			(38)			(40)			(114)			(124)
	Pension remeasurement gain			-			(23)			(44)			(25)
	Pension building sale - loss			19			-			19			-
	Net periodic pension (benefit) costs			23			(21)			(11)			(21)
	Pension special termination benefit enhancements			-			1			-			11
	Total pension (benefit) cost		$	23		$	(20)		$	(11)		$	(10)

OPEB [Member]

Net Periodic Benefit Cost

				Postretirement
			For the three months ended September 30,						For the nine months ended September 30,
	($ in millions)		2025			2024			2025			2024
	Components of net periodic postretirement benefit cost
	Service cost		$	3		$	2		$	5		$	5
	Interest cost on projected benefit obligation			8			7			22			22
	Amortization of prior service credit gain recognized			(7)			(6)			(19)			(19)
	OPEB remeasurement (gain) loss			-			21			8			(6)
	Total periodic postretirement (benefit) cost		$	4		$	24		$	16		$	2

X

- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

+ Details

Name:	us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: