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Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

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 September 30,																								Nine Months Ended September 30,
			2024												2023												2024												2023
($ in millions)			U.S.						International						U.S.						International						U.S.						International						U.S.						International
Service cost			$	100					$	60					$	88					$	48					$	273					$	182					$	239					$	148
Interest cost			134						74						130						76						403						220						396						225
Expected return on plan assets			(206)						(139)						(182)						(131)						(621)						(416)						(553)						(390)
Amortization of unrecognized prior service (credit) cost			—						(3)						—						(6)						—						(10)						(1)						5
Net loss (gain) amortization			12						1						—						(1)						30						4						—						(2)
Termination benefits			1						—						1						—						5						—						2						—
Curtailments			—						—						—						—						—						—						5						—
Settlements			—						—						—						—						—						—						26						—
			$	41					$	(7)					$	37					$	(14)					$	90					$	(20)					$	114					$	(14)

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 September 30,												Nine Months Ended September 30,
($ in millions)			2024						2023						2024						2023
Service cost			$	7					$	8					$	23					$	24
Interest cost			14						16						42						47
Expected return on plan assets			(20)						(16)						(60)						(48)
Amortization of unrecognized prior service credit			(11)						(12)						(32)						(37)
Net gain amortization			(14)						(11)						(38)						(31)
Curtailments			—						—						—						(1)
			$	(24)					$	(15)					$	(65)					$	(46)

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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.

+ References

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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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