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Employee Benefit Plans (Tables)

6 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

Schedule of Components of Pension and Other Postretirement Benefit Costs for Continuing Operation

The following table summarizes the components of pension and other postretirement benefit costs for continuing operations:

		Pension benefits								Other postretirement benefits
(In millions)		2026				2025				2026				2025
Three months ended March 31
Service cost		$	1			$	1			$	—			$	—
Interest cost			3				3				—				1
Expected return on plan assets			(2	)			(3	)			—				—
Total net periodic benefit costs		$	2			$	1			$	—			$	1
Six months ended March 31
Service cost		$	2			$	2			$	—			$	—
Interest cost			6				6				1				1
Expected return on plan assets			(5	)			(5	)			—				—
Curtailment loss			—				1				—				—
Total net periodic benefit costs		$	3			$	4			$	1			$	1

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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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