v3.25.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2025
Aug. 12, 2025
Document Information [Line Items]    
Document Type 10-Q  
Amendment false  
Document Period End Date Jun. 30, 2025  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 814-01603  
Entity Registrant Name Kennedy Lewis Capital Co  
Entity Central Index Key 0001911321  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-6117755  
Entity Address, Address Line One 225 Liberty St.  
Entity Address, Address Line Two Suite 4210  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10281  
City Area Code 212  
Local Phone Number 782-3842  
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  
Class I Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   29,609,797
Class S Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,931
Class D Shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0