Cover - USD ($)	12 Months Ended
	Dec. 31, 2021	Apr. 11, 2022	Jun. 30, 2021
Cover [Abstract]
Entity Registrant Name	DESEO SWIMWEAR INC.
Entity Central Index Key	0001670196
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	true
Entity Emerging Growth Company	false
Entity Current Reporting Status	No
Document Period End Date	Dec. 31, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		64,242,500
Entity Public Float			$ 0
Document Annual Report	true
Document Transition Report	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	800
Auditor Firm Id	5036
Local Phone Number	390-3013
Security 12b Title	Common
Trading Symbol	DSWR
Entity Interactive Data Current	No
Auditor Location	Margate, Florida
Auditor Name	ASSURANCE DIMENSIONS