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Segment Reporting and Significant Expenses (Tables) | 3 Months Ended
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Mar. 31, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment | The tables below present information about the Company's significant expenses and the required reportable segment reconciliations for the quarters ended March 31, 2025, and March 31, 2024.
|  | Quarters Ended
|  | March 31, 2025 |  | March 31, 2024 |  |
(Dollars in Millions) |  | Rail | Reconciliation to Consolidated |  |  | Rail | Reconciliation to Consolidated |  |  |  |  |
Revenue |  | $ | 3,221 |  |  |  |  | $ | 3,466 |  |  |  |  |  |  |
Reconciliation of Revenue |  |  |  |  |  |  |  |  |  |  |  |
Trucking Revenue (a) |  |  | 207 |  |  |  | 217 |  |  |  |  |
Elimination of intersegment revenues |  |  | (5) |  |  |  | (2) |  |  |  |  |
Total Consolidated Revenue |  |  | $ | 3,423 |  |  |  |  | $ | 3,681 |  |  |  |  |  |
Expense |  |  |  |  |  |  |  |  |  |  |  |
Labor and Fringe |  | $ | 774 |  |  |  |  | $ | 760 |  |  |  |  |  |  |
Purchased Services and Other |  | 662 |  |  |  | 602 |  |  |  |  |  |
Depreciation and Amortization |  | 410 |  |  |  | 395 |  |  |  |  |  |
Fuel |  |  |  |  |  |  |  |  |  |  |  |
Locomotive |  | 225 |  |  |  | 276 |  |  |  |  |  |
Non-Locomotive |  | 30 |  |  |  | 25 |  |  |  |  |  |
Equipment and Other Rents |  | 82 |  |  |  | 78 |  |  |  |  |  |
Gain on Property Disposition |  | — |  |  |  | (1) |  |  |  |  |  |
Segment Operating Income |  | $ | 1,038 |  |  |  |  | $ | 1,331 |  |  |  |  |  |  |
Reconciliation of Operating Income |  |  |  |  |  |  |  |  |  |  |  |
Trucking Expenses (b) |  |  | 204 |  |  |  | 211 |  |  |  |  |
Elimination of intersegment expenses |  |  | (5) |  |  |  | (2) |  |  |  |  |
Total Consolidated Operating Income |  |  | $ | 1,041 |  |  |  |  | $ | 1,337 |  |  |  |  |  |
(a) Rail revenue represents revenue attributed to all CSX entities other than the trucking company, Quality Carriers. Trucking revenue is comprised of revenue from Quality Carriers. (b) Rail expenses represent expenses attributable to all CSX entities other than the trucking company, Quality Carriers. Trucking expenses include labor and fringe, purchased services and other, depreciation and amortization, fuel, equipment and other rents, and gains/losses on property dispositions from the operations of Quality Carriers.
Schedule of Reconciliation of Segment Operating Income | Reconciliation of Segment Operating Income to Consolidated Earnings Before Income Taxes
|  | Quarters Ended |  |  |
(Dollars in Millions) |  | March 31, 2025 |  |  | March 31, 2024 |  |  |
Segment Operating Income |  | $ | 1,038 |  |  |  | $ | 1,331 |  |  |  |
Trucking Revenue and Eliminations |  | 202 |  |  |  | 215 |  |  |  |
Trucking Expenses and Eliminations |  | (199) |  |  | (209) |  |  |
Total Consolidated Operating Income |  | 1,041 |  |  |  | 1,337 |  |  |  |
Interest Expense |  | (209) |  |  |  | (210) |  |  |  |
Other Income - Net |  | 26 |  |  |  | 41 |  |  |  |
Earnings Before Income Taxes |  | $ | 858 |  |  |  | $ | 1,168 |  |  |  |

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- Definition Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-31 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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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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