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v3.25.3

Operations and Segmentation - Schedule of Freight and Other Revenues (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | $ 6,244 | $ 6,091 | $ 18,425 | $ 18,129
Locomotive fuel | 616 | 610 | 1,795 | 1,893
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
Total freight revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 5,927 | 5,768 | 17,461 | 17,022
Reportable Segment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 6,244 | 6,091 | 18,425 | 18,129
Operating | 1,711 | 1,727 | 5,080 | 5,066
Administrative | 176 | 184 | 557 | 564
Locomotive fuel | 600 | 595 | 1,754 | 1,850
Acquisition-related (Note 18) | 41 | 0 | 42 | 0
Other segment items | 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
Reportable Segment | Total freight revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 5,927 | 5,768 | 17,461 | 17,022
Reportable Segment | Bulk |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 1,930 | 1,805 | 5,667 | 5,343
Reportable Segment | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 2,194 | 2,121 | 6,488 | 6,348
Reportable Segment | Premium |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 1,803 | 1,842 | 5,306 | 5,331
Reportable Segment | Other subsidiary revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 172 | 179 | 547 | 608
Reportable Segment | Accessorial revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | 124 | 122 | 349 | 427
Reportable Segment | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total operating revenues | $ 21 | $ 22 | $ 68 | $ 72

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