v3.26.1
Document And Entity Information
Mar. 20, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 20, 2026
Entity Registrant Name Diameter Credit Company
Entity Central Index Key 0001916099
Entity Emerging Growth Company true
Entity File Number 000-56624
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 88-1389797
Entity Address, Address Line One 50 Hudson Yards, Suite 6600A
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10001
City Area Code (212)
Local Phone Number 655-1419
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Ex Transition Period false
Title of 12(b) Security N/A
No Trading Symbol Flag true
Security Exchange Name NONE