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Operations and Segmentation (Tables) | 9 Months Ended
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Sep. 30, 2025
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,
Millions | 2025 | 2024 |  | 2025 | 2024
Bulk | $ | 1,930 |  | $ | 1,805 |  |  | $ | 5,667 |  | $ | 5,343 |
Industrial | 2,194 |  | 2,121 |  |  | 6,488 |  | 6,348 |
Premium | 1,803 |  | 1,842 |  |  | 5,306 |  | 5,331 |
Total freight revenues | $ | 5,927 |  | $ | 5,768 |  |  | $ | 17,461 |  | $ | 17,022 |
Other subsidiary revenues | 172 |  | 179 |  |  | 547 |  | 608 |
Accessorial revenues | 124 |  | 122 |  |  | 349 |  | 427 |
Other | 21 |  | 22 |  |  | 68 |  | 72 |
Total operating revenues | $ | 6,244 |  | $ | 6,091 |  |  | $ | 18,425 |  | $ | 18,129 |
Operating [a] | 1,711 |  | 1,727 |  |  | 5,080 |  | 5,066 |
Administrative [a] | 176 |  | 184 |  |  | 557 |  | 564 |
Locomotive fuel | 600 |  | 595 |  |  | 1,754 |  | 1,850 |
Acquisition-related (Note 18) | 41 |  | - |  |  | 42 |  | - |
Other segment items [b] | 549 |  | 567 |  |  | 1,706 |  | 1,669 |
Depreciation | 618 |  | 602 |  |  | 1,841 |  | 1,792 |
Other income, net | (96) |  | (87) |  |  | (297) |  | (282) |
Interest expense | 327 |  | 314 |  |  | 984 |  | 957 |
Income tax expense | 530 |  | 518 |  |  | 1,468 |  | 1,528 |
Net income | $ | 1,788 |  | $ | 1,671 |  |  | $ | 5,290 |  | $ | 4,985 |
[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.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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