v3.26.3
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2026
Nov. 03, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
Document Transition Report false  
Securities Act File Number 814-01684  
Entity Central Index Key 0001959604  
Current Fiscal Year End Date --12-31  
Entity Registrant Name Jefferies Credit Partners BDC Inc.  
Entity Incorporation, State or Country Code MD  
Entity Address, Address Line One 520 Madison Avenue  
Entity Address, Address Line Two 12th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Tax Identification Number 92-1852483  
Entity Address, Postal Zip Code 10022  
City Area Code 212  
Local Phone Number 284-3474  
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    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   68,021,694
Common Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   38,271
Common Class D    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0