Cover	Dec. 02, 2025
Document Type	8-K
Amendment Flag	false
Document Period End Date	Dec. 02, 2025
Entity File Number	000-00000
Entity Registrant Name	CSLM DIGITAL ASSET ACQUISITION CORP III, LTD
Entity Central Index Key	0002068454
Entity Tax Identification Number	00-0000000
Entity Incorporation, State or Country Code	E9
Entity Address, Address Line One	2400 E. Commercial Boulevard
Entity Address, Address Line Two	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	true
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one-half of one redeemable warrant
Title of 12(b) Security	Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one-half of one redeemable warrant
Trading Symbol	KOYNU
Security Exchange Name	NASDAQ
Class A ordinary shares, par value $0.0001 per share
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	KOYN
Security Exchange Name	NASDAQ
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol	KOYNW
Security Exchange Name	NASDAQ