v3.25.4
Nature of Operations (Tables)
 12 Months Ended
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Segment Reporting Information, by Segment This breakout of revenues and expenses is used by the CODM to monitor and assess the financial performance of our rail network by comparing actual results to prior years and plans.
Millions202520242023
Bulk$7,586 $7,207 $7,358 
Industrial8,604 8,440 8,238 
Premium7,030 7,164 6,975 
Total freight revenues$23,220 $22,811 $22,571 
Other subsidiary revenues718 788 872 
Accessorial revenues475 554 584 
Other97 97 92 
Total operating revenues$24,510 $24,250 $24,119 
Operating [a] [c]6,816 6,793 6,727 
Administrative [a] [c]735 760 763 
Locomotive fuel2,335 2,418 2,815 
Acquisition-related (Note 20)72 - - 
Other segment items [b] [c]2,241 2,168 2,414 
Depreciation2,465 2,398 2,318 
Other income, net(629)(350)(491)
Interest expense1,309 1,269 1,340 
Income tax expense2,028 2,047 1,854 
Net income$7,138 $6,747 $6,379 
[a]    Operating and Administrative includes compensation and benefits, purchased services and materials, equipment and other rents, non-locomotive fuel, and other expenses.
[b]    Other segment items includes car hire and leases, casualty costs, property taxes, subsidiary expense, and other overhead expense.
[c]    Prior periods have been recast to reflect the presentation of the CODM's review in the current year.