v3.26.3
Operations and Segmentation (Tables)
 9 Months Ended
Sep. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Segment Reporting Information, by Segment
Our significant segment expenses as monitored by the CODM are shown in the table below. 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.
Three months ended
September 30,		Nine months ended
September 30,
Millions2026202520262025
Bulk$2,116 $1,930 $6,185 $5,667 
Industrial2,509 2,194 7,086 6,488 
Premium2,188 1,803 5,953 5,306 
Total freight revenues$6,813 $5,927 $19,224 $17,461 
Other subsidiary revenues201 172 570 547 
Accessorial revenues157 124 412 349 
Other26 21 72 68 
Total operating revenues$7,197 $6,244 $20,278 $18,425 
Operating [a]1,841 1,711 5,301 5,080 
Administrative [a]186 176 553 557 
Locomotive fuel1,013 600 2,556 1,754 
Acquisition-related (Note 18)
22 41 93 42 
Other segment items [b]549 549 1,697 1,706 
Depreciation643 618 1,914 1,841 
Other income, net(95)(96)(291)(297)
Interest expense312 327 945 984 
Income tax expense650 530 1,740 1,468 
Net income$2,076 $1,788 $5,770 $5,290 
[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, state and local taxes, subsidiary expense, and other overhead expense.