| Cover | Feb. 15, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | DESEO SWIMWEAR INC. |
| Entity Central Index Key | 0001670196 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | true |
| Document Period End Date | Feb. 15, 2022 |
| Entity Ex Transition Period | false |
| Entity File Number | 333-210419 |
| Entity Incorporation State Country Code | NV |
| Entity Tax Identification Number | 47-3812711 |
| Entity Address Address Line 1 | 1001 Yamato Road |
| Entity Address Address Line 2 | Suite 100A |
| Entity Address City Or Town | Boca Raton |
| Entity Address State Or Province | FL |
| Entity Address Postal Zip Code | 33496 |
| City Area Code | 1-800 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Local Phone Number | -390-3013 |
| Security 12b Title | Common Shares |
| Trading Symbol | DSWR |
