Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net parent Net Parent Investment [Member] Net Parent Investment Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Schedule of Lease Balance Sheet Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee Statistical Measurement [Domain] Statistical Measurement [Domain] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Carrying amount Reported Value Measurement [Member] Document Fiscal Year Focus Document Fiscal Year Focus Remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Weighted average interest rate Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Common stock, par value of $0.01 per share, 680,250,615 shares authorized, 566,875,513 issued and 549,779,621 outstanding as of June 30, 2026 566,875,513 issued and 553,082,525 outstanding as of December 31, 2025 Common stock, par value of $0.01 per share, 680,250,615 shares authorized, 566,875,513 issued and 553,082,525 outstanding as of December 31, 2025 Common Stock, Value, Issued Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Pension and other postretirement benefits Retirement Benefits [Text Block] Leases Lessee, Finance Leases [Text Block] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Acquisition and integration-related costs Acquisition And Integration Costs Acquisition And Integration Costs Derivative Instrument [Axis] Derivative Instrument [Axis] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Balance as of January 1 Balance as of June 30 Accounts Receivable, Allowance for Credit Loss Defined benefit pension plans and other postretirement benefit plans Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits Repayments of long-term related-party debt Repayments of Related Party Debt The Commerical Paper Program Commerical Paper Program [Member] Commerical Paper Program Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Current Liabilities: Liabilities, Current [Abstract] Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Other Other Sundry Liabilities, Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Payments of finance lease obligations Financing cash flows used for finance leases Finance Lease, Principal Payments Disposal Group Classification [Axis] Disposal Group Classification [Axis] Property, plant and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment 4.60% Unsecured Notes due 2027 4.60% Unsecured Notes [Member] 4.60% Unsecured Notes Finance lease right-of-use assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Leases [Abstract] Comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Discontinued Operations, Disposed of by Means Other than Sale, Spinoff Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] Issuance of Common stock, Treasury stock and reclassification of Net parent investment Issuance Of Common Stock, Treasury Stock And Reclassification Of Net Parent Investment, Value Issuance Of Common Stock, Treasury Stock And Reclassification Of Net Parent Investment, Value Dividends declared, number of installments Dividends Declared, Number Of Installments Dividends Declared, Number Of Installments Related party Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Liabilities settled Asset Retirement Obligation, Liabilities Settled Property, Plant, and Equipment [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Debt assumed in connection with a business combination Loans Assumed Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Total capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Derivative, notional amount Derivative, Notional Amount Basic (in shares) Basic weighted-average number of shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Current portion of contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Other long-term debt, fair value Other Long-Term Debt, Fair Value Other Long-Term Debt, Fair Value Retirement Benefits [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Total ARO liability Balance as of January 1 Balance as of June 30 Asset Retirement Obligation Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current 4.70% Unsecured Notes due 2028 4.70% Unsecured Notes [Member] 4.70% Unsecured Notes Equity interest disposed Disposal Group, Including Discontinued Operation, Equity Interest Disposed, Percentage Disposal Group, Including Discontinued Operation, Equity Interest Disposed, Percentage Self-insurance reserves Self Insurance Reserve, Noncurrent Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Building Materials Building Materials [Member] Building Materials Entity Address, City or Town Entity Address, City or Town Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Total assets and liabilities acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Accounts receivable, net Accounts receivable, net Accounts and Other Receivables, Net, Current Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Total other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Schedule of Segment Reporting, Reconciliation of Asset by Segment to Consolidated Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] Current portion of long-term debt Less: current portion of long-term debt Long-Term Debt, Current Maturities Dividends [Domain] Dividends [Domain] Related Party Notes Settled Through Dividend Related Party Notes Settled Through Dividend [Member] Related Party Notes Settled Through Dividend Subsequent Event Type [Axis] Subsequent Event Type [Axis] Net change in fair value of cash flow hedges, net of tax Net change in fair value of effective portion of cash flow hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Machines, furniture, vehicles and tools Machines, Furniture, Vehicles And Tools [Member] Machines, Furniture, Vehicles And Tools Treasury stock, 17,095,892 shares as of June 30, 2026 and 13,792,988 shares as of December 31, 2025 Treasury stock, 13,792,988 shares as of December 31, 2025 Treasury Stock, Value Error Correction [Table] Error Correction [Table] Recently issued accounting pronouncements not yet adopted New Accounting Pronouncements, Policy [Policy Text Block] Accrued purchases of property, plant and equipment Capital Expenditures Incurred but Not yet Paid Schedule of Segment Reporting Segment Reporting [Table Text Block] Equity attributable to noncontrolling Noncontrolling Interest [Member] Gain on disposal of long-lived assets Gain (Loss) on Disposition of Property Plant Equipment Use of estimates Use of Estimates, Policy [Policy Text Block] Unsecured Debt Unsecured Debt [Member] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Weighted-average number of shares outstanding: Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number Of Shares Outstanding, Basic And Diluted Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Capital Addition Purchase Commitments Capital Addition Purchase Commitments [Member] Total long-term debt Borrowing arrangements Long-Term Debt Proceeds from issuances of long-term related-party debt Proceeds from Related Party Debt Property, plant and equipment, net Property, Plant, and Equipment [Text Block] Document Period End Date Document Period End Date Changes in operating assets and liabilities, net of effects of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Liabilities for unrecognized tax benefits Unrecognized Tax Benefits Security Exchange Name Security Exchange Name Debt instrument, term Debt Instrument, Term Effective percentage Debt Instrument, Interest Rate, Effective Percentage Allocations for management costs Management Cost And Corporate Support Services Expense Management Cost And Corporate Support Services Expense Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Supplemental cash flow information Cash Flow, Supplemental Disclosures [Text Block] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Operating lease liabilities Current portion of operating lease liabilities Operating Lease, Liability, Current Accrued interest Interest Payable, Current Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Schedule of Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Finance lease right-of-use assets, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Schedule of Property, Plant and Equipment Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Decrease for payments Standard Product Warranty Accrual, Decrease for Payments Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Transfers to Holcim, net Net transfers to Parent Transfers To Parent, Net Transfers To Parent, Net Schedule of Revenue from External Customers by Products and Services Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table Text Block] Total Liabilities Liabilities Trading Symbol Trading Symbol Aggregates and other construction materials Aggregates And Other Construction Materials [Member] Aggregates And Other Construction Materials Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Equity contribution from Holcim related to the settlement of Related-party notes payable Equity Contribution From Parent Equity Contribution From Parent Products And Services Purchased From Parent Products And Services Purchased From Parent [Member] Products And Services Purchased From Parent Income tax payable Accrued Income Taxes, Current Share repurchase program, period in force Share Repurchase Program, Period in Force Schedule of Business Combination, Recognized Asset Acquired and Liability Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Pension liabilities Liability, Defined Benefit Pension Plan, Current Semi-finished and finished goods Inventory, Finished Goods and Work in Process, Net of Reserves Income Tax Disclosure [Abstract] Unrecognized gain transferred from Holcim pension Other Comprehensive (Income) Loss, Gain Transferred From Pension, before Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Gain Transferred From Pension, before Reclassification Adjustment, after Tax Defined Benefit Pension Plans and Other Postretirement Benefit Plans Actuarial losses and prior service costs for defined benefit pension plans and other postretirement benefit plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Total principal Long-Term Debt, Gross Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Credit Facility [Domain] Credit Facility [Domain] Depreciation, depletion, accretion and amortization Depreciation, depletion, accretion and amortization Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other Other Sundry Liabilities, Noncurrent Other current receivables, net Other Receivables, Net, Current Net transfers from Holcim including Spin-Off related adjustments Net Transfers From Parent, Including Adjustments Net Transfers From Parent, Including Adjustments Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Diluted weighted-average number of shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Total identifiable net assets at fair value Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Disposal Group Name [Domain] Disposal Group Name [Domain] Credit Loss [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Dividends Dividends Property, plant and equipment, net Property, plant and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Commercial Paper Commercial Paper [Member] Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Short-term borrowings Short-Term Debt Outstanding commitments Guarantor Obligations, Current Carrying Value Derivative liability Derivative Liability, Subject to Master Netting Arrangement, before Offset Gross profit Gross Profit Revenue from Contract with Customer [Abstract] Less: accumulated depreciation, depletion and impairment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Indirect taxes Indirect Taxes, Current Indirect Taxes, Current Operating cash flows used for operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Revision of prior period financial statements Error Correction [Text Block] Treasury stock Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Various transaction costs Spin-Off Transaction Costs Spin-Off Transaction Costs Adjustments Revision of Prior Period, Error Correction, Adjustment [Member] Dilutive effect of share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Total lease assets, net Lease, Right-Of-Use Asset Lease, Right-Of-Use Asset All Executive Categories All Executive Categories [Member] 3.50% Unsecured Notes due 2026 3.50% Unsecured Notes [Member] 3.50% Unsecured Notes Schedule of Asset Retirement Obligations Schedule of Asset Retirement Obligations [Table Text Block] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Retained Retained Earnings, Excluding Net Parent Investment [Member] Retained Earnings, Excluding Net Parent Investment Long-term debt, fair value Long-Term Debt, Fair Value Accounts receivable, net Accounts and Nontrade Receivable [Text Block] Operating lease right-of-use assets, net Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Accounting Changes and Error Corrections [Abstract] Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Total estimated fair value of net assets Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment information Segment Reporting [Text Block] Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Beginning balance Ending balance Standard Product Warranty Accrual Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total Equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Related Party Notes Settled As Equity Contribution Related Party Notes Settled As Equity Contribution [Member] Related Party Notes Settled As Equity Contribution Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Nonrelated Party Nonrelated Party [Member] Number of shares issued (in shares) Disposal Group, Including Discontinued Operation, Equity Interest, Issued, Number Of Shares Disposal Group, Including Discontinued Operation, Equity Interest, Issued, Number Of Shares Buildings and installations Building and Building Improvements [Member] Business Combination [Line Items] Business Combination [Line Items] Net periodic pension benefit costs Defined Benefit Plan, Net Periodic Benefit Cost (Credit) 7.65% Private Placement due 2031 7.65% Unsecured Notes [Member] 7.65% Unsecured Notes Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Foreign currency translation adjustment and other Goodwill, Foreign Currency Translation and Measurement Period Adjustments Common stock, authorized (in shares) Common Stock, Shares Authorized Earnings per share Earnings Per Share Reconciliation [Abstract] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Purchase commitments Recorded Unconditional Purchase Obligation Employee-related liabilities other than pension Accrued Employee Benefits, Current Asset Retirement Obligation Disclosure [Abstract] Schedule of Carrying Values and Estimated Fair Values of Debt Instruments Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Exercise Price Award Exercise Price Cash Flows from Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Share repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Income before income tax expense and income from equity method investments Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Debt Debt Disclosure [Text Block] Noncurrent portion of contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Disposal Group Classification [Domain] Disposal Group Classification [Domain] Unamortized premiums and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Foreign currency contracts Foreign Exchange Contract [Member] Recorded Unconditional Purchase Obligation, Category [Domain] Recorded Unconditional Purchase Obligation, Category [Domain] Trade receivables Accounts Receivable, before Allowance for Credit Loss, Current Adoption Date Trading Arrangement Adoption Date Tax matters agreement, term Tax Matters Agreement, Term Tax Matters Agreement, Term Debt instrument, interest rate Debt Instrument, Interest Rate, Stated Percentage Text Block [Abstract] Total equity attributable to the Company Equity, Attributable to Parent Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Less: allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Other financing activities, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance Shares Performance Shares [Member] Share repurchase program, authorized (in shares) Share Repurchase Program, Authorized, Number of Shares 4.20% Unsecured Notes due 2033 4.20% Unsecured Notes [Member] 4.20% Unsecured Notes Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Deferred tax benefit (expense) Deferred Income Tax Expense (Benefit) Selling, general and administrative expenses Selling, general and administrative expenses Selling, General and Administrative Expense Additional financial information Supplemental Balance Sheet Disclosures [Text Block] Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Business Combination [Domain] Business Combination [Domain] Interest expense, net Interest Income (Expense), Nonoperating O 2026 A Dividends O 2026 A Dividends [Member] O 2026 A Dividends Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Schedule of Goodwill Goodwill [Table Text Block] Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Finance lease liabilities Noncurrent portion of finance lease liabilities Finance Lease, Liability, Noncurrent Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Cement Cement [Member] Cement City Area Code City Area Code Total property, plant and equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Accumulated other comprehensive Total AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Subsequent events Subsequent Events [Text Block] Dividends paid Payments of Dividends 4.75% Unsecured Notes due 2046 4.75% Unsecured Notes [Member] 4.75% Unsecured Notes Pension liabilities Liability, Defined Benefit Pension Plan, Noncurrent Name Forgone Recovery, Individual Name Contingencies Commitments and Contingencies, Policy [Policy Text Block] As previously reported Previously Reported [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total Assets Assets Entity [Domain] Entity [Domain] Accrued environmental remediation obligations Accrual for Environmental Loss Contingencies Total Segment Adjusted EBITDA Adjusted Earnings Before Interest Tax Depreciation And Amortization Adjusted Earnings Before Interest Tax Depreciation And Amortization Spin-off and separation-related costs Spin-Off Related Costs Spin-Off Related Costs Operating Segments Operating Segments [Member] Interest expense Interest expense Interest Expense, Nonoperating Total costs Asset Retirement Obligation Costs Asset Retirement Obligation Costs Share-based compensation Share-Based Payment Arrangement [Text Block] Increase for warranties Standard Product Warranty Accrual, Increase for Warranties Issued Other assets Increase (Decrease) in Other Operating Assets PEO PEO [Member] Foreign currency translation adjustment Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) Self insurance reserves Self Insurance Reserve Building Envelope Building Envelope [Member] Building Envelope Measurement Basis [Axis] Measurement Basis [Axis] Total 2026 Acquisitions Business Combination, Series of Individually Immaterial Business Combinations [Member] Other noncurrent liabilities Total Other noncurrent liabilities Other Liabilities, Noncurrent Goodwill Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Retirement Plan Type [Axis] Retirement Plan Type [Axis] Inventories Business Combination, Recognized Asset Acquired, Inventory, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Acquisitions Goodwill, Acquired During Period Proceeds from debt-for-debt exchange with Holcim Proceeds From Debt-For-Debt Exchange With Parent Proceeds From Debt-For-Debt Exchange With Parent Depreciation Asset Retirement Obligation, Depreciation Asset Retirement Obligation, Depreciation Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Noncurrent operating lease liabilities Noncurrent portion of operating lease liabilities Operating Lease, Liability, Noncurrent Amrize Ltd Amrize Ltd [Member] Amrize Ltd Due to related party Increase (Decrease) in Due to Related Parties, Current Revolving Credit Facility Revolving Credit Facility [Member] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Asset retirement obligations Asset Retirement Obligation Disclosure [Text Block] Fair value measurements Fair Value Measurement, Policy [Policy Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Shares, beginning balance (in shares) Shares, ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Payments of debt issuance costs Payments of Debt Issuance Costs Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Shares withheld for employees’ income tax obligations and other Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Country Region Country Region Amortization of long-lived intangible assets Intangible Asset, Finite-Lived, Amortization Expense Schedule of Business Combination Business Combination [Table Text Block] Adjustments to reconcile net income to net cash used in operating activities: Adjustments to reconcile net (loss) income to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Charge-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Share-Based Payment Arrangement [Abstract] Cash Flows from Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Revenues Total Revenues Revenue from Contract with Customer, Excluding Assessed Tax S 2026 A Dividends S 2026 A Dividends [Member] S 2026 A Dividends Total lease liabilities Lease, Liability Lease, Liability Inventories, net Inventory Disclosure [Text Block] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Goodwill and intangible assets, net Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive loss attributable to noncontrolling interests Comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair value Estimate of Fair Value Measurement [Member] Revenues Revenue from Contract with Customer [Text Block] Other non-cash activities with Parent, net Other Non-Cash Activities With Parent, Net Other Non-Cash Activities With Parent, Net Construction in progress Construction in Progress [Member] Raw materials, parts, and supplies Inventory, Raw Materials and Supplies, Net of Reserves Other investing activities, net Payment for (Proceeds from) Other Investing Activity Inventories, net Increase (Decrease) in Inventories Standard warranty reserves Product Warranty Accrual, Current Segment Reporting [Table] Segment Reporting [Table] Related Party Transaction [Table] Related Party Transaction [Table] Schedule of Lease Cost Lease, Cost [Table Text Block] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Land and mineral reserves Land And Mineral Reserves [Member] Land And Mineral Reserves Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Related Party Transaction [Domain] Related Party Transaction [Domain] Acquisitions Business Combination [Text Block] Revision of prior period financial statements Comparability of Prior Year Financial Data, Policy [Policy Text Block] Due from related party Increase (Decrease) in Due from Related Parties, Current Issuance of Common stock, Treasury stock and reclassification of Net parent investment (in shares) Issuance Of Common Stock, Treasury Stock And Reclassification Of Net Parent Investment, Shares Issuance Of Common Stock, Treasury Stock And Reclassification Of Net Parent Investment, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Share-based compensation expense Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Net transfers from Parent including Spin-off-related adjustments Net Transfers To Parent Net Transfers To Parent Other comprehensive income (loss), cash flow hedge, gain (loss), reclassification, before tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Loss on impairments Impairment charges Asset, Impairment Loss Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Restructuring and other costs Restructuring And Other Costs Restructuring And Other Costs Treasury stock (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Environmental remediation liabilities Accrued Environmental Loss Contingencies, Noncurrent Asset retirement obligations Noncurrent ARO liability Asset Retirement Obligations, Noncurrent Revision of Prior Period, Adjustment Revision of Prior Period, Adjustment [Member] Accumulated other comprehensive loss Comprehensive Income (Loss) Note [Text Block] Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Related Party Related Party [Member] Income taxes paid, net Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Finance lease liabilities Current portion of finance lease liabilities Finance Lease, Liability, Current Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Deferred income tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Defined contribution plan, cost Defined Contribution Plan, Cost Entity Small Business Entity Small Business Transition services agreement, term Transition Services Agreement, Term Transition Services Agreement, Term Net decrease in short-term related-party notes receivable from cash pooling program Payments For (Proceeds From) Change In Short-Term Related-Party Notes Receivable Payments For (Proceeds From) Change In Short-Term Related-Party Notes Receivable Comprehensive income attributable to the Company Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Share repurchase program, remaining authorized (in shares) Share Repurchase Program, Remaining Authorized, Number of Shares Accounts payable Increase (Decrease) in Accounts Payable, Trade Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Actuarial losses and prior service costs for defined benefit pension plans and other postretirement benefit plans, net of tax Actuarial (losses) gains and prior service (costs) credits for pension and other postretirement plans, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Total Other current liabilities Other Liabilities, Current Other noncurrent assets Other Assets, Noncurrent Document Type Document Type Acquisitions, net of cash acquired Cash consideration Payments to Acquire Businesses, Net of Cash Acquired Changes in equity attributable to noncontrolling interests Decrease In Net Parent Investment Attributable To Noncontrolling Interest Decrease In Net Parent Investment Attributable To Noncontrolling Interest Other Other Long-Term Debt [Member] Other Long-Term Debt Fair Value as of Grant Date Award Grant Date Fair Value Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Goodwill [Table] Goodwill [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Share repurchase program, remaining authorized, amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Contract liabilities Contract with Customer, Liability, Noncurrent Other Postretirement Benefits Plan Other Postretirement Benefits Plan [Member] Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Accrued purchases of property, plant and equipment Accrued Purchases Of Property, Plant And Equipment, Current Accrued Purchases Of Property, Plant And Equipment, Current 6.88% Unsecured Notes due 2039 6.88% Unsecured Notes [Member] 6.88% Unsecured Notes Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] 5.40% Unsecured Notes due 2035 5.40% Unsecured Notes [Member] 5.40% Unsecured Notes Commitments and contingencies (see Note 18) Commitments and Contingencies Schedule of Other Noncurrent Liabilities Other Noncurrent Liabilities [Table Text Block] Total property, plant and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Income from equity method investments Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount 6.50% Unsecured Notes due 2043 6.50% Unsecured Notes [Member] 6.50% Unsecured Notes Debt instrument, covenant, leverage ratio, maximum Debt Instrument, Covenant Terms, Leverage Ratio, Maximum Debt Instrument, Covenant Terms, Leverage Ratio, Maximum Executive Category: Executive Category [Axis] Amortization of leased assets Finance Lease, Right-of-Use Asset, Amortization Share-based payment arrangement, award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Goodwill [Roll Forward] Goodwill [Roll Forward] Liabilities and Equity Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Inventories, net Total inventories, net Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Repurchases of common stock (in shares) Treasury Stock, Shares, Acquired Share price (in dollars per share) Share Price PEO Name PEO Name Shares issued under employee share plans APIC, Share-Based Payment Arrangement, ESPP, Increase for Cost Recognition Contract liabilities Contract with Customer, Liability Cash Flow Hedges Net change in fair value of effective portion of cash flow hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Total other segment expenses Segment Reporting, Other Segment Item, Amount Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Legal Entity [Axis] Legal Entity [Axis] Interest expense, debt Interest Expense, Debt Other Commitments [Line Items] Other Commitments [Line Items] Self-insurance reserves Self Insurance Reserve, Current Repurchases of common stock Treasury Stock, Value, Acquired, Cost Method Cash and cash equivalents at the beginning of period Cash and cash equivalents at the end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Change in Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Schedule of Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Other liabilities assumed Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Share-based compensation Share-Based Payment Arrangement, Noncash Expense Total lease expense Lease, Cost Earnings per share attributable to the Company: Earnings Per Share, Basic And Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Disposal Group Name [Axis] Disposal Group Name [Axis] Related party, amounts of transaction Related Party Transaction, Amounts of Transaction Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic 4.95% Unsecured Notes due 2030 4.95% Unsecured Notes [Member] 4.95% Unsecured Notes Contract liabilities Contract with Customer, Liability, Current Repurchases of common stock Payments for Repurchase of Common Stock The Revolving Credit Facility The Revolving Credit Facility [Member] The Revolving Credit Facility Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification and tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Short term lease cost Short-Term Lease, Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) OCI, before reclassifications, before tax, attributable to parent Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax Commodity swaps Commodity Contract [Member] Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Pension Plan Pension Plan [Member] Common stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Litigation-related settlements (costs) Litigation Settlement, Fee Expense Operating lease expense Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Organization and basis of presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover [Abstract] Total reconciling items Segment Reporting, Segment Reconciling Items, Amount Segment Reporting, Segment Reconciling Items, Amount Unallocated corporate costs Unallocated Corporate Costs Unallocated Corporate Costs Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Total Liabilities and Equity Liabilities and Equity Variable lease cost Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Asset retirement obligations Current ARO liability Asset Retirement Obligation, Current Noncontrolling interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Proceeds from issuance of long-term debt, net of discount Proceeds from Issuance of Senior Long-Term Debt Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Earnings per share and shareholders’ equity Earnings Per Share And Stockholders' Equity Disclosure [Text Block] Earnings Per Share And Stockholders' Equity Disclosure Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other non-operating income, net Other non-operating income (expense), net Other non-operating income, net Other Nonoperating Income (Expense) Accretion Accretion expense Asset Retirement Obligation, Accretion Expense Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Name Awards Close in Time to MNPI Disclosures, Individual Name Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Entity Address, Country Entity Address, Country Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] 7.13% Unsecured Notes due 2036 7.13% Unsecured Notes [Member] 7.13% Unsecured Notes Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Amounts reclassified from Accumulated other comprehensive loss to Net income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows used for finance leases Finance Lease, Interest Payment on Liability Interest paid, net Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Other contractual commitments Other Commitment Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Income taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other items, net Other Noncash Income (Expense) Interproduct revenues Interproduct Revenues [Member] Interproduct Revenues Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Business Combination, Consideration Transferred Retirement Plan Type [Domain] Retirement Plan Type [Domain] Additional paid-in Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Dividends [Axis] Dividends [Axis] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Contributions to union-sponsored multiemployer pension plans Multiemployer Plan, Employer Contribution, Cost Company Selected Measure Amount Company Selected Measure Amount Depreciation and depletion expense Depreciation, Depletion and Amortization Standard warranty reserves Product Warranty Accrual, Noncurrent Net working capital Business Combination, Recognized Asset Acquired, Net Working Capital Business Combination, Recognized Asset Acquired, Net Working Capital Share-based compensation expense (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Net income Net income Net income (loss) Total amounts reclassified from Accumulated other comprehensive loss to Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Right-of-use assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current Assets: Assets, Current [Abstract] Net repayments of short-term related-party debt Proceeds From (Repayments Of) Short-Term Related Party Debt Proceeds From (Repayments Of) Short-Term Related Party Debt Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense Total income tax expense Income tax benefit (expense) Income Tax Expense (Benefit) Holcim Ltd Holcim Ltd [Member] Holcim Ltd Cost of revenues Cost of revenues: Cost of revenues Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Deferred tax liabilities Business Combination, Recognized Liability Assumed, Deferred Tax Liability New accounting standards Accounting Standards Update and Change in Accounting Principle [Text Block] Net income attributable to the Company Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Reconciling items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest income Interest income Investment Income, Interest Self-insurance reserves Self Insurance Reserve [Policy Text Block] Derivative asset Derivative Asset, Subject to Master Netting Arrangement, before Offset Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Proceeds from short-term borrowings, net Proceeds from Short-Term Debt Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]