Earnings per share and shareholders' equity - Narrative (Details) - shares |
Jun. 23, 2025 |
Dec. 31, 2025 |
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| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | ||
| Number of shares issued | 553,082,069 | |
| Number of common stock shares outstanding | 566,875,513 | 553,082,525 |
| Number of treasury stock shares | 13,793,444 | 13,792,988 |
| Holcim Ltd | ||
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | ||
| Number of common stock shares outstanding | 566,875,513 |
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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