| Cover | Nov. 17, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 17, 2022 |
| Entity File Number | 001-40372 |
| Entity Registrant Name | ION ACQUISITION CORP 3 LTD. |
| Entity Central Index Key | 0001844579 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Address, Address Line One | 89 Medinat Hayhudim Street |
| Entity Address, City or Town | Herzliya |
| Entity Address, Country | IL |
| Entity Address, Postal Zip Code | 4676672 |
| City Area Code | +975 (9) |
| Local Phone Number | 970-3620 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class A ordinary shares, par value $0.0001 per share |
| Trading Symbol | IACC |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
