v3.25.2
Document and Entity Information
Jul. 31, 2025
Document And Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 31, 2025
Entity Registrant Name CSLM Acquisition Corp.
Entity Incorporation State Country Code E9
Entity File Number 001-41219
Entity Tax Identification Number 98-1602789
Entity Address Address Line 1 2400 E. Commercial Boulevard
Entity Address Address Line 2 Suite 900
Entity Address City Or Town Ft. Lauderdale
Entity Address State Or Province FL
Entity Address Postal Zip Code 33308
City Area Code 954
Local Phone Number 315-9381
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001875493
Amendment Flag false
Capital Units [Member]  
Document And Entity Information [Line Items]  
Trading Symbol CSLFU
Security 12g Title Units, each consisting of one Class A ordinary share, one right and one-half of one redeemable warrant
Security Exchange Name NONE
Warrant [Member]  
Document And Entity Information [Line Items]  
Trading Symbol CSLWF
Security 12g Title Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Security Exchange Name NONE
Rights To Acquire One Tenth Of One Class A Ordinary Share [Member]  
Document And Entity Information [Line Items]  
Trading Symbol CSLRF
Security 12g Title Rights to acquire one-tenth of one Class A ordinary share
Security Exchange Name NONE
Class A Ordinary Shares Par Value 0.0001 Per Share [Member]  
Document And Entity Information [Line Items]  
Trading Symbol CSLMF
Security 12g Title Class A ordinary shares, par value $0.0001 per share
Security Exchange Name NONE