| Cover | May 18, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | Unico American Corporation |
| Entity Central Index Key | 0000100716 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | May 18, 2022 |
| Entity File Number | 000-03978 |
| Entity Incorporation State Country Code | NV |
| Entity Tax Identification Number | 95-2583928 |
| Entity Address Address Line 1 | 5230 Las Virgenes Road |
| Entity Address City Or Town | Calabasas |
| Entity Address State Or Province | CA |
| Entity Address Postal Zip Code | 91302 |
| City Area Code | 818 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Local Phone Number | 591-9800 |
| Security 12b Title | Common Stock, No Par Value |
| Trading Symbol | UNAM |
| Security Exchange Name | NASDAQ |
