| Cover | Feb. 21, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 21, 2023 |
| Entity File Number | 001-39341 |
| Entity Registrant Name | BRILLIANT ACQUISITION CORPORATION |
| Entity Central Index Key | 0001787518 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | D8 |
| Entity Address, Address Line One | 99 Dan Ba Road |
| Entity Address, Address Line Two | C-9, Putuo District |
| Entity Address, City or Town | Shanghai |
| Entity Address, Country | CN |
| City Area Code | 86 |
| Local Phone Number | 021-80125497 |
| 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 |
| Units, each consisting of one Ordinary Share, one Right and one Redeemable Warrant | |
| Title of 12(b) Security | Units, each consisting of one Ordinary Share, one Right and one Redeemable Warrant |
| Trading Symbol | BRLIU |
| Security Exchange Name | NASDAQ |
| Ordinary Shares, no par value per share | |
| Title of 12(b) Security | Ordinary Shares, no par value per share |
| Trading Symbol | BRLI |
| Security Exchange Name | NASDAQ |
| Rights, each right entitling the holder to 1/10 of one Ordinary Share | |
| Title of 12(b) Security | Rights, each right entitling the holder to 1/10 of one Ordinary Share |
| Trading Symbol | BRLIR |
| Security Exchange Name | NASDAQ |
| Warrants, each warrant exercisable for one Ordinary Share for $11.50 per share | |
| Title of 12(b) Security | Warrants, each warrant exercisable for one Ordinary Share for $11.50 per share |
| Trading Symbol | BRLIW |
| Security Exchange Name | NASDAQ |
