v3.25.3
N-2 - USD ($)
$ / shares in Units, $ in Millions
Oct. 20, 2025
Sep. 30, 2025
Cover [Abstract]    
Entity Central Index Key 0001982701  
Amendment Flag false  
Securities Act File Number 814-01744  
Document Type 8-K  
Entity Registrant Name AB PRIVATE LENDING FUND  
Entity Address, Address Line One 405 Colorado Street  
Entity Address, Address Line Two Suite 1500  
Entity Address, City or Town Austin  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 78701  
City Area Code 512  
Local Phone Number 721-2900  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
General Description of Registrant [Abstract]    
Share Price [Table Text Block]
Net Asset Value
The net asset value (“
NAV
”) per share of each class of the Fund as of September 30, 2025, as determined in accordance with the Fund’s valuation policy, is set forth below.
 
    
NAV per Share as of
September 30, 2025
  
Class I shares
    $
25.30
  
Class S shares
     
— 
  
Class D shares
      —   
As of September 30, 2025, the Fund’s aggregate NAV was approximately $149.9 million, the fair value of its investm
e
nt portfolio was approximately $307.5 million, and it had approximately $164.5 million of debt outstanding (at principal).
 
Capital Stock, Long-Term Debt, and Other Securities [Abstract]    
Long Term Debt, Principal   $ 149.9
Class I Shares [Member]    
General Description of Registrant [Abstract]    
NAV Per Share   $ 25.3
Class S shares [Member]    
General Description of Registrant [Abstract]    
NAV Per Share   0
Class D shares [Member]    
General Description of Registrant [Abstract]    
NAV Per Share   $ 0