Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2025	May 14, 2025
Document Information [Line Items]
Document Type	10-Q
Amendment	false
Document Period End Date	Mar. 31, 2025
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q1
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 S Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		0
Class D Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		0
Class I Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		27,399,102