Cover - shares	9 Months Ended
	Jun. 30, 2021	Aug. 09, 2021
Cover [Abstract]
Entity Registrant Name	CEL-SCI CORPORATION
Entity Central Index Key	0000725363
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Jun. 30, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		43,028,150
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	CO
Entity Tax Identification Number	84-0916344
Entity Address Address Line 1	8229 Boone Boulevard
Entity Address Address Line 2	Suite 802
Entity Address City Or Town	Vienna
Entity Address State Or Province	VA
Entity Address Postal Zip Code	22182
Security 12b Title	Common Stock
Trading Symbol	CVM
Security Exchange Name	NYSEAMER
Entity File Number	001-11889
City Area Code	703
Local Phone Number	506-9460