v3.25.2
Document and Entity Information
Jul. 28, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001876255
Document Type 8-K
Document Period End Date Jul. 28, 2025
Entity Registrant Name AB COMMERCIAL REAL ESTATE PRIVATE DEBT FUND, LLC
Entity Incorporation State Country Code DE
Entity File Number 000-56320
Entity Tax Identification Number 87-1137341
Entity Address, Address Line One 66 Hudson Boulevard East
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 486-5800
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