Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 29, 2024	Jun. 30, 2023
Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Document Transition Report	false
Entity File Number	000-50264
Entity Registrant Name	CAMPBELL FUND TRUST
Entity Central Index Key	0001043951
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-6260018
Entity Address, Address Line One	2850 Quarry Lake Drive
Entity Address, City or Town	Baltimore
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21209
City Area Code	410
Local Phone Number	413-2600
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Document Financial Statement Error Correction [Flag]	false
Entity Public Float			$ 0
Auditor Firm ID	34
Auditor Name	Deloitte & Touche LLP
Auditor Location	McLean, Virginia
Series A [Member]
Entity Information [Abstract]
Entity Common Stock, Shares Outstanding		98,151.943
Series B [Member]
Entity Information [Abstract]
Entity Common Stock, Shares Outstanding		9,063.595
Series D [Member]
Entity Information [Abstract]
Entity Common Stock, Shares Outstanding		18,859.634
Series W [Member]
Entity Information [Abstract]
Entity Common Stock, Shares Outstanding		11,037.208