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Pending Acquisition (Tables)

9 Months Ended

Sep. 30, 2025

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

Schedule of Acquisition-Related Expense Associated with the Merger Agreement

Union Pacific incurred the following acquisition-related expense associated with the merger agreement:

Millions			Three months ended September 30, 2025									Nine months ended September 30, 2025
Acquisition-related expense
Purchased services and materials			$	40								$	41
Other			1									1
Total acquisition-related expense [a]			$	41								$	42

[a]Certain acquisition-related costs are non-deductible for income tax purposes.

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- References

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- Definition

Tabular disclosure of transaction recognized separately from acquisition of asset and assumption of liability in business combination.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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