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v3.25.1

Property, plant and equipment including equipment held for lease (Tables) | 3 Months Ended
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Mar. 31, 2025
Schedule of depreciation expense | Property, plant and equipment depreciation expense for the first quarter of 2025 and 2024 is summarized below (in millions).
|  | 2025 |  |  | 2024 |
Insurance and other |  | $ | 784 |  |  | $ | 767 |
Railroad, utilities and energy |  |  | 1,665 |  |  |  | 1,625 |
|  | $ | 2,449 |  |  | $ | 2,392 |
Insurance and Other [Member] |
Schedule of property, plant and equipment | A summary of property, plant and equipment of our insurance and other businesses follows (in millions).
|  | March 31, 2025 |  |  | December 31, 2024 |
Land, buildings and improvements |  | $ | 20,951 |  |  | $ | 20,735 |
Machinery and equipment |  |  | 32,866 |  |  |  | 32,475 |
Furniture, fixtures and other |  |  | 5,699 |  |  |  | 5,501 |
|  |  | 59,516 |  |  |  | 58,711 |
Accumulated depreciation |  |  | (29,301 | ) |  |  | (28,640 | )
|  | $ | 30,215 |  |  | $ | 30,071 |
Railroad, Utilities and Energy [Member] |
Schedule of property, plant and equipment | A summary of property, plant and equipment of our railroad, utilities and energy businesses follows (in millions). The utility generation, transmission and distribution systems and interstate natural gas pipeline assets are owned by regulated public utility and natural gas pipeline subsidiaries.
|  | March 31, 2025 |  |  | December 31, 2024 |
Railroad: |  |  |  |  |  |
Land, track structure and other roadway |  | $ | 74,882 |  |  | $ | 74,093 |
Locomotives, freight cars and other equipment |  |  | 15,463 |  |  |  | 15,766 |
Construction in progress |  |  | 1,869 |  |  |  | 1,813 |
|  |  | 92,214 |  |  |  | 91,672 |
Accumulated depreciation |  |  | (20,969 | ) |  |  | (20,411 | )
|  |  | 71,245 |  |  |  | 71,261 |
Utilities and energy: |  |  |  |  |  |
Utility generation, transmission and distribution systems |  |  | 104,030 |  |  |  | 103,015 |
Interstate natural gas pipeline assets |  |  | 20,327 |  |  |  | 20,237 |
Independent power plants and other |  |  | 15,389 |  |  |  | 14,840 |
Construction in progress |  |  | 9,575 |  |  |  | 8,793 |
|  |  | 149,321 |  |  |  | 146,885 |
Accumulated depreciation |  |  | (44,007 | ) |  |  | (43,116 | )
|  |  | 105,314 |  |  |  | 103,769 |
|  | $ | 176,559 |  |  | $ | 175,030 |

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- Definition Tabular disclosure of depreciation expense for property, plant and equipment and assets held for lease. + References No definition available. + Details
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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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