v3.26.1
Cover Page - shares
 6 Months Ended
Jun. 30, 2026
Aug. 14, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Securities Act File Number 814-01744  
Entity Registrant Name AB Private Lending Fund  
Entity Central Index Key 0001982701  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-6555027  
Entity Address, Address Line One 405 Colorado Street, 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 Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Common Class I [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,621,816
Common Class S [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Common Class D [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0