3.26.1 html 181 312 1 false 69 0 false 6 false false R1.htm 0000001 - Document - Cover Sheet http://www.holcim.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - Condensed Consolidated Statements of Operations (Unaudited) Sheet http://www.holcim.com/role/CondensedConsolidatedStatementsofOperationsUnaudited Condensed Consolidated Statements of Operations (Unaudited) Statements 2 false false R3.htm 9952152 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) Sheet http://www.holcim.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) Statements 3 false false R4.htm 9952153 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.holcim.com/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 4 false false R5.htm 9952154 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.holcim.com/role/CondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 5 false false R6.htm 9952155 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.holcim.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 9952156 - Statement - Condensed Consolidated Statements of Equity (Unaudited) Sheet http://www.holcim.com/role/CondensedConsolidatedStatementsofEquityUnaudited Condensed Consolidated Statements of Equity (Unaudited) Statements 7 false false R8.htm 9952157 - Disclosure - Organization and basis of presentation Sheet http://www.holcim.com/role/Organizationandbasisofpresentation Organization and basis of presentation Notes 8 false false R9.htm 9952158 - Disclosure - New accounting standards Sheet http://www.holcim.com/role/Newaccountingstandards New accounting standards Notes 9 false false R10.htm 9952159 - Disclosure - Revenues Sheet http://www.holcim.com/role/Revenues Revenues Notes 10 false false R11.htm 9952160 - Disclosure - Acquisitions Sheet http://www.holcim.com/role/Acquisitions Acquisitions Notes 11 false false R12.htm 9952161 - Disclosure - Accounts receivable, net Sheet http://www.holcim.com/role/Accountsreceivablenet Accounts receivable, net Notes 12 false false R13.htm 9952162 - Disclosure - Inventories Sheet http://www.holcim.com/role/Inventories Inventories Notes 13 false false R14.htm 9952163 - Disclosure - Property, plant and equipment, net Sheet http://www.holcim.com/role/Propertyplantandequipmentnet Property, plant and equipment, net Notes 14 false false R15.htm 9952164 - Disclosure - Goodwill and intangible assets, net Sheet http://www.holcim.com/role/Goodwillandintangibleassetsnet Goodwill and intangible assets, net Notes 15 false false R16.htm 9952165 - Disclosure - Additional financial information Sheet http://www.holcim.com/role/Additionalfinancialinformation Additional financial information Notes 16 false false R17.htm 9952166 - Disclosure - Debt Sheet http://www.holcim.com/role/Debt Debt Notes 17 false false R18.htm 9952167 - Disclosure - Leases Sheet http://www.holcim.com/role/Leases Leases Notes 18 false false R19.htm 9952168 - Disclosure - Asset retirement obligations Sheet http://www.holcim.com/role/Assetretirementobligations Asset retirement obligations Notes 19 false false R20.htm 9952169 - Disclosure - Income taxes Sheet http://www.holcim.com/role/Incometaxes Income taxes Notes 20 false false R21.htm 9952170 - Disclosure - Segment information Sheet http://www.holcim.com/role/Segmentinformation Segment information Notes 21 false false R22.htm 9952171 - Disclosure - Pension and other postretirement benefits Sheet http://www.holcim.com/role/Pensionandotherpostretirementbenefits Pension and other postretirement benefits Notes 22 false false R23.htm 9952172 - Disclosure - Accumulated other comprehensive loss Sheet http://www.holcim.com/role/Accumulatedothercomprehensiveloss Accumulated other comprehensive loss Notes 23 false false R24.htm 9952173 - Disclosure - Commitments and contingencies Sheet http://www.holcim.com/role/Commitmentsandcontingencies Commitments and contingencies Notes 24 false false R25.htm 9952174 - Disclosure - Related party Sheet http://www.holcim.com/role/Relatedparty Related party Notes 25 false false R26.htm 9952175 - Disclosure - Supplemental cash flow information Sheet http://www.holcim.com/role/Supplementalcashflowinformation Supplemental cash flow information Notes 26 false false R27.htm 9952176 - Disclosure - Loss per share and shareholders??? equity Sheet http://www.holcim.com/role/Losspershareandshareholdersequity Loss per share and shareholders??? equity Notes 27 false false R28.htm 9952177 - Disclosure - Share-based compensation Sheet http://www.holcim.com/role/Sharebasedcompensation Share-based compensation Notes 28 false false R29.htm 9952178 - Disclosure - Subsequent events Sheet http://www.holcim.com/role/Subsequentevents Subsequent events Notes 29 false false R30.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 30 false false R31.htm 9955511 - Disclosure - Organization and basis of presentation (Policies) Sheet http://www.holcim.com/role/OrganizationandbasisofpresentationPolicies Organization and basis of presentation (Policies) Policies 31 false false R32.htm 9955512 - Disclosure - Revenues (Tables) Sheet http://www.holcim.com/role/RevenuesTables Revenues (Tables) Tables http://www.holcim.com/role/Revenues 32 false false R33.htm 9955513 - Disclosure - Acquisitions (Tables) Sheet http://www.holcim.com/role/AcquisitionsTables Acquisitions (Tables) Tables http://www.holcim.com/role/Acquisitions 33 false false R34.htm 9955514 - Disclosure - Accounts receivable, net (Tables) Sheet http://www.holcim.com/role/AccountsreceivablenetTables Accounts receivable, net (Tables) Tables http://www.holcim.com/role/Accountsreceivablenet 34 false false R35.htm 9955515 - Disclosure - Inventories (Tables) Sheet http://www.holcim.com/role/InventoriesTables Inventories (Tables) Tables http://www.holcim.com/role/Inventories 35 false false R36.htm 9955516 - Disclosure - Property, plant and equipment, net (Tables) Sheet http://www.holcim.com/role/PropertyplantandequipmentnetTables Property, plant and equipment, net (Tables) Tables http://www.holcim.com/role/Propertyplantandequipmentnet 36 false false R37.htm 9955517 - Disclosure - Goodwill and intangible assets, net (Tables) Sheet http://www.holcim.com/role/GoodwillandintangibleassetsnetTables Goodwill and intangible assets, net (Tables) Tables http://www.holcim.com/role/Goodwillandintangibleassetsnet 37 false false R38.htm 9955518 - Disclosure - Additional financial information (Tables) Sheet http://www.holcim.com/role/AdditionalfinancialinformationTables Additional financial information (Tables) Tables http://www.holcim.com/role/Additionalfinancialinformation 38 false false R39.htm 9955519 - Disclosure - Debt (Tables) Sheet http://www.holcim.com/role/DebtTables Debt (Tables) Tables http://www.holcim.com/role/Debt 39 false false R40.htm 9955520 - Disclosure - Leases (Tables) Sheet http://www.holcim.com/role/LeasesTables Leases (Tables) Tables http://www.holcim.com/role/Leases 40 false false R41.htm 9955521 - Disclosure - Asset retirement obligations (Tables) Sheet http://www.holcim.com/role/AssetretirementobligationsTables Asset retirement obligations (Tables) Tables http://www.holcim.com/role/Assetretirementobligations 41 false false R42.htm 9955522 - Disclosure - Income taxes (Tables) Sheet http://www.holcim.com/role/IncometaxesTables Income taxes (Tables) Tables http://www.holcim.com/role/Incometaxes 42 false false R43.htm 9955523 - Disclosure - Segment information (Tables) Sheet http://www.holcim.com/role/SegmentinformationTables Segment information (Tables) Tables http://www.holcim.com/role/Segmentinformation 43 false false R44.htm 9955524 - Disclosure - Accumulated other comprehensive loss (Tables) Sheet http://www.holcim.com/role/AccumulatedothercomprehensivelossTables Accumulated other comprehensive loss (Tables) Tables http://www.holcim.com/role/Accumulatedothercomprehensiveloss 44 false false R45.htm 9955525 - Disclosure - Commitments and contingencies (Tables) Sheet http://www.holcim.com/role/CommitmentsandcontingenciesTables Commitments and contingencies (Tables) Tables http://www.holcim.com/role/Commitmentsandcontingencies 45 false false R46.htm 9955526 - Disclosure - Supplemental cash flow information (Tables) Sheet http://www.holcim.com/role/SupplementalcashflowinformationTables Supplemental cash flow information (Tables) Tables http://www.holcim.com/role/Supplementalcashflowinformation 46 false false R47.htm 9955527 - Disclosure - Loss per share and shareholders??? equity (Tables) Sheet http://www.holcim.com/role/LosspershareandshareholdersequityTables Loss per share and shareholders??? equity (Tables) Tables http://www.holcim.com/role/Losspershareandshareholdersequity 47 false false R48.htm 9955528 - Disclosure - Organization and basis of presentation - Narrative (Details) Sheet http://www.holcim.com/role/OrganizationandbasisofpresentationNarrativeDetails Organization and basis of presentation - Narrative (Details) Details 48 false false R49.htm 9955529 - Disclosure - Revenues - Schedule of Revenue by Product Line (Details) Sheet http://www.holcim.com/role/RevenuesScheduleofRevenuebyProductLineDetails Revenues - Schedule of Revenue by Product Line (Details) Details 49 false false R50.htm 9955530 - Disclosure - Revenues - Narrative (Details) Sheet http://www.holcim.com/role/RevenuesNarrativeDetails Revenues - Narrative (Details) Details 50 false false R51.htm 9955531 - Disclosure - Acquisitions - Narrative (Details) Sheet http://www.holcim.com/role/AcquisitionsNarrativeDetails Acquisitions - Narrative (Details) Details 51 false false R52.htm 9955532 - Disclosure - Acquisitions - Schedule of Business Combinations (Details) Sheet http://www.holcim.com/role/AcquisitionsScheduleofBusinessCombinationsDetails Acquisitions - Schedule of Business Combinations (Details) Details 52 false false R53.htm 9955533 - Disclosure - Accounts receivable, net - Schedule of Accounts Receivable (Details) Sheet http://www.holcim.com/role/AccountsreceivablenetScheduleofAccountsReceivableDetails Accounts receivable, net - Schedule of Accounts Receivable (Details) Details 53 false false R54.htm 9955534 - Disclosure - Accounts receivable, net - Schedule of Allowance for Credit Loss Rollforward (Details) Sheet http://www.holcim.com/role/AccountsreceivablenetScheduleofAllowanceforCreditLossRollforwardDetails Accounts receivable, net - Schedule of Allowance for Credit Loss Rollforward (Details) Details 54 false false R55.htm 9955535 - Disclosure - Inventories (Details) Sheet http://www.holcim.com/role/InventoriesDetails Inventories (Details) Details http://www.holcim.com/role/InventoriesTables 55 false false R56.htm 9955536 - Disclosure - Property, plant and equipment, net - Schedule of Property, Plant, and Equipment (Details) Sheet http://www.holcim.com/role/PropertyplantandequipmentnetScheduleofPropertyPlantandEquipmentDetails Property, plant and equipment, net - Schedule of Property, Plant, and Equipment (Details) Details 56 false false R57.htm 9955537 - Disclosure - Property, plant and equipment, net - Narrative (Details) Sheet http://www.holcim.com/role/PropertyplantandequipmentnetNarrativeDetails Property, plant and equipment, net - Narrative (Details) Details 57 false false R58.htm 9955538 - Disclosure - Goodwill and intangible assets, net - Schedule of Changes in Goodwill (Details) Sheet http://www.holcim.com/role/GoodwillandintangibleassetsnetScheduleofChangesinGoodwillDetails Goodwill and intangible assets, net - Schedule of Changes in Goodwill (Details) Details 58 false false R59.htm 9955539 - Disclosure - Goodwill and intangible assets, net - Narrative (Details) Sheet http://www.holcim.com/role/GoodwillandintangibleassetsnetNarrativeDetails Goodwill and intangible assets, net - Narrative (Details) Details 59 false false R60.htm 9955540 - Disclosure - Additional financial information - Schedule of Other Current Liabilities (Details) Sheet http://www.holcim.com/role/AdditionalfinancialinformationScheduleofOtherCurrentLiabilitiesDetails Additional financial information - Schedule of Other Current Liabilities (Details) Details 60 false false R61.htm 9955541 - Disclosure - Additional financial information - Schedule of Other Noncurrent Liabilities (Details) Sheet http://www.holcim.com/role/AdditionalfinancialinformationScheduleofOtherNoncurrentLiabilitiesDetails Additional financial information - Schedule of Other Noncurrent Liabilities (Details) Details 61 false false R62.htm 9955542 - Disclosure - Debt - Schedule of Long-Term Debt (Details) Sheet http://www.holcim.com/role/DebtScheduleofLongTermDebtDetails Debt - Schedule of Long-Term Debt (Details) Details 62 false false R63.htm 9955543 - Disclosure - Debt - Narrative (Details) Sheet http://www.holcim.com/role/DebtNarrativeDetails Debt - Narrative (Details) Details 63 false false R64.htm 9955544 - Disclosure - Debt - Schedule of Fair Value (Details) Sheet http://www.holcim.com/role/DebtScheduleofFairValueDetails Debt - Schedule of Fair Value (Details) Details 64 false false R65.htm 9955545 - Disclosure - Leases - Schedule of Lease Balance Sheet Information (Details) Sheet http://www.holcim.com/role/LeasesScheduleofLeaseBalanceSheetInformationDetails Leases - Schedule of Lease Balance Sheet Information (Details) Details 65 false false R66.htm 9955546 - Disclosure - Leases - Schedule of Lease Cost (Details) Sheet http://www.holcim.com/role/LeasesScheduleofLeaseCostDetails Leases - Schedule of Lease Cost (Details) Details 66 false false R67.htm 9955547 - Disclosure - Asset retirement obligations - Schedule of Asset Retirement Obligation Costs (Details) Sheet http://www.holcim.com/role/AssetretirementobligationsScheduleofAssetRetirementObligationCostsDetails Asset retirement obligations - Schedule of Asset Retirement Obligation Costs (Details) Details 67 false false R68.htm 9955548 - Disclosure - Asset retirement obligations - Schedule of Asset Retirement Obligations (Details) Sheet http://www.holcim.com/role/AssetretirementobligationsScheduleofAssetRetirementObligationsDetails Asset retirement obligations - Schedule of Asset Retirement Obligations (Details) Details 68 false false R69.htm 9955549 - Disclosure - Asset retirement obligations - Schedule of Rollforward Analysis (Details) Sheet http://www.holcim.com/role/AssetretirementobligationsScheduleofRollforwardAnalysisDetails Asset retirement obligations - Schedule of Rollforward Analysis (Details) Details 69 false false R70.htm 9955550 - Disclosure - Income taxes (Details) Sheet http://www.holcim.com/role/IncometaxesDetails Income taxes (Details) Details http://www.holcim.com/role/IncometaxesTables 70 false false R71.htm 9955551 - Disclosure - Segment information - Narrative (Details) Sheet http://www.holcim.com/role/SegmentinformationNarrativeDetails Segment information - Narrative (Details) Details 71 false false R72.htm 9955552 - Disclosure - Segment information - Schedule of Reconciliation of Revenue (Details) Sheet http://www.holcim.com/role/SegmentinformationScheduleofReconciliationofRevenueDetails Segment information - Schedule of Reconciliation of Revenue (Details) Details 72 false false R73.htm 9955553 - Disclosure - Segment information - Schedule of Capital Expenditures (Details) Sheet http://www.holcim.com/role/SegmentinformationScheduleofCapitalExpendituresDetails Segment information - Schedule of Capital Expenditures (Details) Details 73 false false R74.htm 9955554 - Disclosure - Segment information - Schedule of Reconciliation of Assets (Details) Sheet http://www.holcim.com/role/SegmentinformationScheduleofReconciliationofAssetsDetails Segment information - Schedule of Reconciliation of Assets (Details) Details 74 false false R75.htm 9955555 - Disclosure - Pension and other postretirement benefits (Details) Sheet http://www.holcim.com/role/PensionandotherpostretirementbenefitsDetails Pension and other postretirement benefits (Details) Details http://www.holcim.com/role/Pensionandotherpostretirementbenefits 75 false false R76.htm 9955556 - Disclosure - Accumulated other comprehensive loss - Schedule of AOCI (Details) Sheet http://www.holcim.com/role/AccumulatedothercomprehensivelossScheduleofAOCIDetails Accumulated other comprehensive loss - Schedule of AOCI (Details) Details 76 false false R77.htm 9955557 - Disclosure - Accumulated other comprehensive loss - Schedule of Amounts Reclassified From AOCI to Net Loss (Details) Sheet http://www.holcim.com/role/AccumulatedothercomprehensivelossScheduleofAmountsReclassifiedFromAOCItoNetLossDetails Accumulated other comprehensive loss - Schedule of Amounts Reclassified From AOCI to Net Loss (Details) Details 77 false false R78.htm 9955558 - Disclosure - Commitments and contingencies - Narrative (Details) Sheet http://www.holcim.com/role/CommitmentsandcontingenciesNarrativeDetails Commitments and contingencies - Narrative (Details) Details 78 false false R79.htm 9955559 - Disclosure - Commitments and contingencies - Product Warranty Rollforward (Details) Sheet http://www.holcim.com/role/CommitmentsandcontingenciesProductWarrantyRollforwardDetails Commitments and contingencies - Product Warranty Rollforward (Details) Details 79 false false R80.htm 9955560 - Disclosure - Related party (Details) Sheet http://www.holcim.com/role/RelatedpartyDetails Related party (Details) Details http://www.holcim.com/role/Relatedparty 80 false false R81.htm 9955561 - Disclosure - Supplemental cash flow information (Details) Sheet http://www.holcim.com/role/SupplementalcashflowinformationDetails Supplemental cash flow information (Details) Details http://www.holcim.com/role/SupplementalcashflowinformationTables 81 false false R82.htm 9955562 - Disclosure - Loss per share and shareholders??? equity- Narrative (Details) Sheet http://www.holcim.com/role/LosspershareandshareholdersequityNarrativeDetails Loss per share and shareholders??? equity- Narrative (Details) Details 82 false false R83.htm 9955563 - Disclosure - Loss per share and shareholders??? equity - Schedule of Basic and Diluted Earnings Per Share (Details) Sheet http://www.holcim.com/role/LosspershareandshareholdersequityScheduleofBasicandDilutedEarningsPerShareDetails Loss per share and shareholders??? equity - Schedule of Basic and Diluted Earnings Per Share (Details) Details 83 false false R84.htm 9955564 - Disclosure - Share-based compensation (Details) Sheet http://www.holcim.com/role/SharebasedcompensationDetails Share-based compensation (Details) Details http://www.holcim.com/role/Sharebasedcompensation 84 false false R85.htm 9955565 - Disclosure - Subsequent events (Details) Sheet http://www.holcim.com/role/SubsequenteventsDetails Subsequent events (Details) Details http://www.holcim.com/role/Subsequentevents 85 false false All Reports Book All Reports holcim-20260331.htm holcim-20260331.xsd holcim-20260331_cal.xml holcim-20260331_def.xml holcim-20260331_lab.xml holcim-20260331_pre.xml holcim-20260331_g1.gif holcim-20260331_g2.gif http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true