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Organization and basis of presentation | 12 Months Ended
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Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization and basis of presentation | Organization and basis of presentation Organization Amrize Ltd (the “Company”) is a building solutions company focused on the North American market, offering customers a broad range of advanced building solutions from foundation to rooftop. The Company earns revenue from the sale of cement, aggregates, ready-mix concrete, asphalt, roofing systems and other building solutions. The Company is organized into two reportable segments — Building Materials and Building Envelope — that are aligned with the products and services it provides and based upon the information used by the chief operating decision maker (“CODM”) in evaluating the performance of the business and allocating resources and capital. •Building Materials: The building materials segment offers a range of branded solutions delivering high-quality products for a wide range of applications. These include cement and aggregates, as well as a variety of downstream products and solutions such as ready-mix concrete, asphalt and other construction materials. •Building Envelope: The building envelope segment offers advanced roofing and wall systems, including single-ply membranes, insulation, shingles, sheathing, waterproofing and protective coatings, along with adhesives, tapes and sealants that are critical to the application of roofing and wall systems. On June 23, 2025 (the “Separation and Distribution Date”), Holcim Ltd (“Holcim”) completed the previously announced Spin-Off of the Company (the “Spin-Off”) through a distribution of 100% of the Company’s outstanding shares (the “Distribution”) to holders of record of Holcim’s ordinary shares, on a pro rata basis as a dividend-in-kind, as of the close of business on June 20, 2025, which resulted in the issuance of 553,082,069 Ordinary Shares. This amount is based on 566,875,513 Holcim shares outstanding at the Separation and Distribution Date and 13,793,444 shares not distributed to Holcim shareholders that are held by the Company as treasury stock. In connection with the Distribution, the Company and Holcim consummated a series of internal reorganization transactions resulting in the Company becoming the holder, directly or through its subsidiaries, of the business, activities and operations of Holcim and its affiliates in the United States, Canada, Switzerland, and Jamaica, as well as certain support operations in Colombia. As a result of the Distribution, the Company became an independent public company. The Company’s common stock is listed under the symbol “AMRZ” on the New York Stock Exchange and the SIX Swiss Exchange. Unless the context otherwise requires, references to “we,” “our,” “us,” and the “Company” refer to (i) Amrize Ltd’s business prior to the Spin-Off as a carve-out business of Holcim and (ii) Amrize Ltd and its subsidiaries following the Spin-Off. Basis of presentation These consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) and pursuant to the rules and regulations of the United States Securities and Exchange Commission (“SEC”). Prior to the Spin-Off, the Company operated as a wholly-owned subsidiary of Holcim and not as a standalone company. These consolidated financial statements and footnotes reflect the historical financial position, results of operations and cash flows of the Company as historically managed within Holcim for periods prior to the completion of the Spin-Off and reflect the financial position, results of operations and cash flows of the Company as a standalone company for periods after the completion of the Spin-Off. The historical consolidated financial statements and footnotes for periods prior to the completion of the Spin-Off were prepared on a “carve-out” basis in connection with the Spin-Off, and were derived from the consolidated financial statements and historical accounting records of Holcim. For periods prior to the Spin-Off, the consolidated balance sheet reflects all of the assets and liabilities of Holcim that are specifically identifiable or directly attributable to the Company, including Net parent investment as a component of equity. Net parent investment represents Holcim’s historical investment in the Company and includes accumulated net income attributable to the Company and the net effect of transactions with Holcim and its subsidiaries. See Note 18 (Related party) for additional information. All intercompany balances and transactions within the Company have been eliminated in these consolidated financial statements. Prior to the Spin-Off, the Company and Holcim had intercompany activity resulting in revenues and expenses for both parties. As described in Note 18 (Related party), certain related party transactions between the Company and Holcim have been included in these consolidated financial statements. Pursuant to the Spin- Off, Holcim ceased to be a related party to the Company and accordingly, no related party transactions or balances have been reported subsequent to the Separation and Distribution Date. Prior to the Spin-Off, the consolidated statements of operations included expense allocations for certain corporate, infrastructure and other shared services provided by Holcim on a centralized basis, including but not limited to accounting and financial reporting, treasury, tax, legal, human resources, information technology, insurance, employee benefits and other shared services that are either specifically identifiable or directly attributable to the Company. These expenses had been allocated to the Company on the basis of direct usage when specifically identifiable, with the remainder predominantly allocated on a pro rata basis using revenues. The Company’s management considers this allocation to be a reasonable reflection of the utilization of services provided or the benefit received by the Company during the periods presented. However, these expense allocations may not be indicative of the actual expenses that would have been incurred had the Company been a standalone company during the periods presented, and they may not reflect what the Company’s results of operations may be in the future. These costs are recorded in Cost of revenues and Selling, general and administrative expenses. See Note 18 (Related party) for additional information. Following the Spin-Off, a limited number of services that Holcim provided to the Company prior to the Spin-Off are continuing to be provided for a period of time under a Transition Services Agreement. The Company is now incurring certain costs as a standalone public company, including services provided by its own resources or through third-party service providers relating to corporate functions, including executive leadership, accounting and financial reporting, treasury, compliance and regulatory, human resources, information technology, marketing and communications, insurance, as well as ongoing additional costs associated with operating as an independent, publicly-traded company. Historically, Holcim used a centralized approach to cash management and financing of operations. Prior to the Spin-Off, a majority of the Company’s subsidiaries participated in Holcim’s centralized cash management and financing function. While the Company maintained bank accounts in the name of its respective legal entities in order to conduct day-to-day business, cash was managed centrally as part of the overall treasury function and Holcim oversaw a cash pooling program whereby cash was swept from any subsidiary accounts, including the Company’s accounts, on a daily basis. As such, cash and cash equivalents held by Holcim at the corporate level were not specifically identifiable or directly attributable to the Company and, therefore, have not been reflected in these consolidated financial statements prior to the Spin-Off. Rather, the Company’s residual cash pooling balances as of the end of each reporting period prior to the Spin-Off were recorded within Related-party notes receivable. See Note 18 (Related party) for more information. Further, prior to the Spin-Off, Holcim’s third-party debt and related interest expense was not attributed to the Company because the Company was not considered the primary obligor of the debt, and the Company was not a named guarantor or joint and severally liable for any of Holcim’s third-party debt. Prior to the Spin-Off, the Company had related-party note agreements in place with Holcim for the financing of its capital needs, which are reflected as Related-party notes payable on the consolidated balance sheet as of December 31, 2024. As part of the Spin-Off, the Company issued senior unsecured notes and completed a bond exchange as described in Note 10 (Debt). A portion of the proceeds from the issuance of the senior unsecured notes and completion of the bond exchange was used to repay the Company’s related-party indebtedness due to Holcim. Holcim also completed an equity contribution to the Company to settle the remaining related-party indebtedness due to Holcim as described in Note 18 (Related party). Interest expense, net in the consolidated statements of operations reflects interest on borrowing and funding associated with the related-party note agreements for periods prior to the Spin-Off. Subsequent to the Spin-Off, Interest expense, net in the consolidated statements of operations reflects interest expense primarily related to the newly issued senior unsecured notes, the notes obtained in the bond exchange with Holcim, the commercial paper program, and interest associated with other long-term debt. See Note 10 (Debt) for further detail. In connection with the Spin-Off, the Company entered or adopted several agreements, including a Separation and Distribution Agreement, Transition Services Agreement, and Tax Matters Agreement, among others, that provide a framework for the post separation relationship between the Company and Holcim. See Note 18 (Related party) for more information on these agreements. Additionally, in relation to the Spin-Off, Holcim allocated $11 million and $15 million of transaction costs to the Company for the years ended December 31, 2025 and 2024, respectively. There were no transaction costs related to the Spin-Off allocated for the year ended December 31, 2023. These allocated transaction costs correspond to the costs incurred by the Holcim that are directly attributable to the Company, such as rebranding costs, employee-related costs (i.e. recruitment and relocation expenses) and costs to establish certain standalone functions. These costs are recorded in Selling, general and administrative expenses and are deemed to be settled in the period in which the costs are included in Net parent investment on the consolidated balance sheet for periods prior to the Spin-Off. The Company also directly recorded certain non-recurring transaction costs related to the Spin-Off. See Note 14 (Segment and geographic information) for detail on total non-recurring Spin-Off and separation-related costs.

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- Definition The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/810/tableOfContent Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 205 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/205/tableOfContent + Details
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