| Cover | Aug. 26, 2024 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 26, 2024 |
| Entity File Number | 001-40130 |
| Entity Registrant Name | BRAND ENGAGEMENT NETWORK INC. |
| Entity Central Index Key | 0001838163 |
| Entity Tax Identification Number | 98-1574798 |
| Entity Incorporation, State or Country Code | DE |
| 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 | (312) |
| Local Phone Number | 810-7422 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Common Stock, par value $0.0001 per share | |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | BNAI |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share | |
| 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 |
