Pending Acquisition (Tables) |
3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2026 | |||||||||||||||||||||||||||||||||||||||||||
| 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:
[a]Certain acquisition-related costs are non-deductible for income tax purposes.
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