| Cover | Dec. 21, 2022 |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | Explanatory Note |
| Document Period End Date | Dec. 21, 2022 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 001-40648 |
| Entity Registrant Name | BELONG ACQUISITION CORP. |
| Entity Central Index Key | 0001842384 |
| Entity Tax Identification Number | 86-1450752 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 202 Washington Street |
| Entity Address, Address Line Two | Suite 401 |
| Entity Address, City or Town | Brookline |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02445 |
| City Area Code | (215) |
| Local Phone Number | 731-9450 |
| 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 share of Class A common stock, $0.0001 par value per share, and one-half of one redeemable warrant | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, $0.0001 par value per share, and one-half of one redeemable warrant |
| Trading Symbol | BLNGU |
| Security Exchange Name | NASDAQ |
| Class A common stock, par value $0.0001 per share | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | BLNG |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one share of Class A common stock | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Class A common stock |
| Trading Symbol | BLNGW |
| Security Exchange Name | NASDAQ |
