| Cover | Mar. 29, 2024 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 29, 2024 |
| Entity File Number | 001-40878 |
| Entity Registrant Name | IX Acquisition Corp. |
| Entity Central Index Key | 0001852019 |
| Entity Tax Identification Number | 98-1586922 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 53 Davies Street |
| Entity Address, Country | GB |
| Entity Address, Postal Zip Code | W1K 5JH |
| City Area Code | 203 |
| Local Phone Number | 908-045 |
| 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 [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of Class A ordinary share, par value $0.0001 per share, and one-half of one redeemable warrant |
| Trading Symbol | IXAQU |
| Security Exchange Name | NASDAQ |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | IXAQ |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share |
| Trading Symbol | IXAQW |
| Security Exchange Name | NASDAQ |
