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Components of Net Periodic Benefit Cost (Tables)

3 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Components of Net Benefit Costs

Net periodic benefit cost for defined benefit plans includes the following components:

						Three Months Ended September 30,
($ in millions)						2025						2024
Service cost						$	5					$	4
Interest cost						22						13
Expected return on plan assets						(24)						(13)
Amortization of actuarial loss						2						1
Amortization of prior service credit						(1)						(1)
Net periodic benefit cost						$	4					$	4

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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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: 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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