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Pension and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Pension and Other Postretirement Benefit Costs

Pension and other postretirement benefit costs for the three and nine months ended September 30, 2025 and 2024 were as follows:

			Three Months Ended																								Nine Months Ended
			September 30,																								September 30,
			Pension												Other Postretirement Benefits												Pension												Other Postretirement Benefits
In millions			2025						2024						2025						2024						2025						2024						2025						2024
Components of net periodic benefit cost:
Service cost			$	8					$	9					$	1					$	1					$	24					$	27					$	3					$	3
Interest cost			23						23						6						6						69						69						18						18
Expected return on plan assets			(33)						(34)						(6)						(5)						(97)						(100)						(19)						(16)
Amortization of actuarial loss (gain)			1						1						(3)						(1)						3						5						(7)						(2)
Amortization of prior service cost			1						1						—						—						1						1						—						—
Settlements			—						—						—						—						1						—						—						—
Total net periodic benefit cost (income)			$	—					$	—					$	(2)					$	1					$	1					$	2					$	(5)					$	3

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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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