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v3.25.3

Revenues and Gross Profit - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenue Recognition [Line Items] |  |  |  |
Performance obligations, description of timing |  |  | Performance obligations within paving service agreements are satisfied over time, primarily ranging from one day to two years. Customer payments for the paving operations are based on a contractual billing schedule and are typically "paid-when-paid", meaning the Company is paid once the customer is paid. |
Future revenues from unsatisfied performance obligations | $ 225 | $ 322 | $ 225 | $ 322
Service revenues | 1,846 | 1,642 | 4,617 | 4,250
Gross profit | 611 | 513 | 1,422 | 1,211
Revenues, discontinued operations | 242 | 247 | 634 | 655
Gross profit, discontinued operations | 76 | 86 | 144 | 177
Cement and ready mixed concrete |  |  |  |
Revenue Recognition [Line Items] |  |  |  |
Service revenues |  | 296 |  | 822
Gross profit |  | 89 |  | 192
Revenues, discontinued operations |  | 247 |  | 655
Gross profit, discontinued operations |  | 86 |  | 177
Asphalt and paving services |  |  |  |
Revenue Recognition [Line Items] |  |  |  |
Service revenues |  | 343 |  | 647
Gross profit |  | 61 |  | 77
Service | CALIFORNIA and COLORADO | West Group |  |  |  |
Revenue Recognition [Line Items] |  |  |  |
Service revenues | $ 130 | $ 164 | $ 267 | $ 307
Minimum | Service |  |  |  |
Revenue Recognition [Line Items] |  |  |  |
Performance obligations, period |  |  | 1 day |
Maximum | Service |  |  |  |
Revenue Recognition [Line Items] |  |  |  |
Performance obligations, period |  |  | 2 years |

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