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Revenues and Gross Profit (Tables) | 6 Months Ended
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Jun. 30, 2025
Revenues And Gross Profit [Abstract] |
Total Revenues and Gross Profit (Loss) by Product Line | The following tables, which are reconciled to consolidated amounts, provide revenues and gross profit (loss) by line of business: Building Materials (further divided by product line) and Magnesia Specialties. Interproduct revenues represent sales from the aggregates product line to the cement and ready mixed concrete and asphalt and paving product lines.
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
|  | (Dollars in Millions) |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Building Materials business: |  |  |  |  |  |  |  |  |  |  |  |
Aggregates |  | $ | 1,320 |  |  | $ | 1,242 |  |  | $ | 2,322 |  |  | $ | 2,127 |
Cement and ready mixed concrete |  |  | 245 |  |  |  | 261 |  |  |  | 477 |  |  |  | 526 |
Asphalt and paving services |  |  | 228 |  |  |  | 245 |  |  |  | 308 |  |  |  | 303 |
Less: interproduct revenues |  |  | (72 | ) |  |  | (65 | ) |  |  | (121 | ) |  |  | (102 | )
Total Building Materials business |  |  | 1,721 |  |  |  | 1,683 |  |  |  | 2,986 |  |  |  | 2,854 |
Magnesia Specialties |  |  | 90 |  |  |  | 81 |  |  |  | 178 |  |  |  | 161 |
Total |  | $ | 1,811 |  |  | $ | 1,764 |  |  | $ | 3,164 |  |  | $ | 3,015 |
Gross profit (loss): |  |  |  |  |  |  |  |  |  |  |  |
Building Materials business: |  |  |  |  |  |  |  |  |  |  |  |
Aggregates |  | $ | 430 |  |  | $ | 392 |  |  | $ | 726 |  |  | $ | 632 |
Cement and ready mixed concrete |  |  | 54 |  |  |  | 72 |  |  |  | 78 |  |  |  | 103 |
Asphalt and paving services |  |  | 33 |  |  |  | 37 |  |  |  | 11 |  |  |  | 15 |
Total Building Materials business |  |  | 517 |  |  |  | 501 |  |  |  | 815 |  |  |  | 750 |
Magnesia Specialties |  |  | 36 |  |  |  | 27 |  |  |  | 74 |  |  |  | 56 |
Corporate |  |  | (9 | ) |  |  | (11 | ) |  |  | (10 | ) |  |  | (16 | )
Total |  | $ | 544 |  |  | $ | 517 |  |  | $ | 879 |  |  | $ | 790 |

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