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Business Combinations and Divestitures (Tables) | 6 Months Ended
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Jun. 30, 2025
Business Combination [Abstract] |
Summary of Values of Assets Acquired and Liabilities Assumed | The following is a summary of the values of the assets acquired and liabilities assumed as of April 5, 2024 (dollars in millions):
Assets: |  |  |
Inventories |  | $ | 47 |
Property, plant and equipment 1 |  |  | 2,052 |
Intangible assets, other than goodwill |  |  | 19 |
Other assets |  |  | 2 |
Total assets |  |  | 2,120 |
Liabilities: |  |  |
Deferred income taxes |  |  | 234 |
Asset retirement obligations |  |  | 3 |
Other liabilities |  |  | 95 |
Total liabilities |  |  | 332 |
Net identifiable assets acquired |  |  | 1,788 |
Goodwill |  |  | 262 |
Total consideration |  | $ | 2,050 |
1 Includes mineral reserves of $1.9 billion.
Summary of Unaudited Pro Forma Financial Information | The following pro forma financial information is for informational purposes only and is not indicative of the results of operations that would have been achieved if the acquisition had taken place as of January 1, 2023:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, 2024 |
|  | (Dollars in Millions) |
Revenues |  | $ | 1,764 |  |  | $ | 3,067 |
Net earnings from continuing operations attributable to Martin Marietta |  | $ | 324 |  |  | $ | 1,373 |

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