Pending Acquisition (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||
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Dec. 31, 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 for the year ended December 31:
[a]Certain acquisition-related costs are non-deductible for income tax purposes.
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