Segment information - Additions to property, plant and equipment and intangible assets for each of the segments (Details) - USD ($) $ in Millions |
6 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Segment Reporting [Line Items] | ||
| Total property, plant and equipment and intangible asset additions | $ 1,377 | $ 1,390 |
| Americas Materials Solutions | ||
| Segment Reporting [Line Items] | ||
| Total property, plant and equipment and intangible asset additions | 635 | 582 |
| Americas Building Solutions | ||
| Segment Reporting [Line Items] | ||
| Total property, plant and equipment and intangible asset additions | 207 | 314 |
| International Solutions | ||
| Segment Reporting [Line Items] | ||
| Total property, plant and equipment and intangible asset additions | $ 535 | $ 494 |
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- Definition Amount of expenditure for addition to long-lived asset included in determination of segment asset by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Long-lived asset excludes financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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