{"cik":2035989,"taxonomy":"us-gaap","tag":"ShareBasedCompensation","label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","entityName":"Amrize Ltd","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":5000000,"accn":"0002035989-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-18","frame":"CY2023"},{"start":"2024-01-01","end":"2024-06-30","val":4000000,"accn":"0002035989-25-000004","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2024-01-01","end":"2024-09-30","val":5000000,"accn":"0002035989-25-000037","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-29"},{"start":"2024-01-01","end":"2024-12-31","val":6000000,"accn":"0002035989-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-18","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":1000000,"accn":"0002035989-26-000057","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":3000000,"accn":"0002035989-25-000004","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2025-01-01","end":"2025-09-30","val":6000000,"accn":"0002035989-25-000037","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-29"},{"start":"2025-01-01","end":"2025-12-31","val":14000000,"accn":"0002035989-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-18","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":9000000,"accn":"0002035989-26-000057","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-07","frame":"CY2026Q1"}]}}