v3.26.1
DocumentAndEntityInformation
Aug. 28, 2026
Document Information Line Items  
Entity Central Index Key 0002035989
Document Type 8-K
Document Period End Date Aug. 28, 2026
Entity Registrant Name Amrize Ltd
Entity Incorporation, State or Country Code V8
Entity File Number 1-42542
Entity Tax Identification Number 98-1807904
Entity Address, Address Line One Grafenauweg 8
Entity Address, City or Town Zug
Entity Address, Postal Zip Code 6300
Entity Address, Country CH
City Area Code 41
Local Phone Number 562 3490
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Ordinary Shares, par value $0.01 per share
Trading Symbol AMRZ
Security Exchange Name NYSE
Entity Emerging Growth Company false
Amendment Flag false