XML 12 R1.htm IDEA: XBRL DOCUMENT v3.25.2
Cover
 6 Months Ended
Jun. 30, 2025
shares
Cover [Abstract]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Jun. 30, 2025
Document Transition Report false
Entity File Number 1-42542
Registrant Name Amrize Ltd
Entity Incorporation, State or Country Code V8
Entity Tax Identification Number 98-1807904
Entity Address, Address Line One Grafenauweg 8
Entity Address, City or Town Zug
Entity Address, Country CH
Entity Address, Postal Zip Code 6300
Country Region 41
City Area Code 41
Local Phone Number 562 3490
Title of 12(b) Security Ordinary Shares, par value $0.01 per share
Trading Symbol AMRZ
Security Exchange Name NYSE
Entity Current Reporting Status No
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 553,082,069
Central Index Key 0002035989
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus Q2