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Pensions and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2024

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Pension and Postretirement Benefit Cost Components

Pension and postretirement benefit cost components were as follows:

			Pension Benefits												Other Postretirement Benefits
			Second Quarter
			2024						2023						2024						2023
			($ in millions)
Service cost			$	7					$	6					$	1					$	1
Interest cost			27						27						4						5
Expected return on plan assets			(51)						(52)						(3)						(3)
Amortization of net losses			4						1						—						—
Amortization of prior service benefit			—						—						(6)						(7)
Curtailment gain			—						—						(20)						—
Net benefit			$	(13)					$	(18)					$	(24)					$	(4)

			Pension Benefits												Other Postretirement Benefits
			First Six Months
			2024						2023						2024						2023
			($ in millions)
Service cost			$	13					$	12					$	2					$	2
Interest cost			54						54						7						9
Expected return on plan assets			(102)						(104)						(6)						(6)
Amortization of net losses			8						2						—						—
Amortization of prior service benefit			—						—						(12)						(13)
Curtailment gain			—						—						(20)						—
Net benefit			$	(27)					$	(36)					$	(29)					$	(8)

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- References

No definition available.

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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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