Cover - shares	3 Months Ended
	Mar. 31, 2024	May 10, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-40130
Entity Registrant Name	Brand Engagement Network Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	98-1574798
Entity Address, Address Line One	145 E. Snow King Ave
Entity Address, Address Line Two	PO Box 1045
Entity Address, City or Town	Jackson
Entity Address, State or Province	WY
Entity Address, Postal Zip Code	83001
City Area Code	307
Local Phone Number	699-9371
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		33,321,955
Entity Central Index Key	0001838163
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	BNAI
Security Exchange Name	NASDAQ
Warrant
Document Information [Line Items]
Title of 12(b) Security	Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share
Trading Symbol	BNAIW
Security Exchange Name	NASDAQ