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Pension and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2025

Pension Plans

Defined Benefit Plan Disclosure [Line Items]

Net Benefit Costs

The Company has defined benefit pension plans covering eligible employees in the U.S. and in certain of its international subsidiaries. The net periodic benefit cost (credit) of such plans consisted of the following components: 

			Three Months Ended March 31,
			2025												2024
($ in millions)			U.S.						International						U.S.						International
Service cost			$	89					$	54					$	86					$	61
Interest cost			141						71						134						74
Expected return on plan assets			(210)						(143)						(207)						(139)
Amortization of unrecognized prior service credit			—						(4)						—						(3)
Net loss amortization			13						3						10						1
Termination benefits			—						—						3						—
			$	33					$	(19)					$	26					$	(6)

Other Postretirement Benefit Plans

Defined Benefit Plan Disclosure [Line Items]

Net Benefit Costs

The Company provides medical benefits, principally to its eligible U.S. retirees and similar benefits to their dependents, through its other postretirement benefit plans. The net credit of such plans consisted of the following components: 

			Three Months Ended March 31,
($ in millions)			2025						2024
Service cost			$	10					$	8
Interest cost			16						14
Expected return on plan assets			(14)						(20)
Amortization of unrecognized prior service credit			(10)						(11)
Net gain amortization			(10)						(12)
			$	(8)					$	(21)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- 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

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