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Operating Assets and Facilities (Tables) | 9 Months Ended
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Sep. 30, 2025
Property, Plant and Equipment [Abstract] |
Operating Assets and Facilities | The following table shows the components of our operating assets and facilities (in millions):
| September 30 2025 |  | December 31 2024
Railcars and locomotives | $ | 13,413.0 |  |  | $ | 12,702.9 |
Aircraft spare engines | 1,177.5 |  |  | 1,030.4 |
Tank containers | 278.2 |  |  | 241.4 |
Buildings, leasehold improvements, and other equipment | 288.0 |  |  | 265.3 |
Other | 107.7 |  |  | 90.6 |
| $ | 15,264.4 |  |  | $ | 14,330.6 |
Less: allowance for depreciation | (4,184.7) |  |  | (3,880.9) |
Net operating assets and facilities | $ | 11,079.7 |  |  | $ | 10,449.7 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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