v3.26.3
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2026
Nov. 09, 2026
Document Information:    
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Period End Date Sep. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q3  
CIK 0002112554  
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Registrant Name Fidelity Private Credit Company LLC  
Securities Act File Number 000-56854  
Entity Tax Identification Number 41-3806186  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 245 Summer Street  
Entity Address, City or Town Boston  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02210  
City Area Code 617  
Local Phone Number 563-7000  
Title of 12(g) Security Class I Common Units  
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  
Entity Common Stock, Shares Outstanding   78,944,382