v3.26.1
Document And Entity Information
Aug. 14, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 14, 2026
Entity Registrant Name 26North BDC, Inc.
Entity Central Index Key 0001950976
Entity Emerging Growth Company true
Entity File Number 000-56594
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 93-2305832
Entity Address, Address Line One 600 Madison Avenue
Entity Address, Address Line Two 26th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10022
City Area Code (212)
Local Phone Number 224-0626
Entity Information, Former Legal or Registered Name Not Applicable
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Ex Transition Period true
Title of 12(b) Security None
No Trading Symbol Flag true
Security Exchange Name NONE