Cover - shares	3 Months Ended
	Mar. 31, 2022	May 16, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
File Number	333-216180
Registrant Name	CRONA CORP.
Entity Central Index Key	0001696411
Tax Identification Number	35-2574778
Incorporation State Country Code	NV
Address Line1	Street: Strada Jean-Louis Calderon 31
Address City	Bucharest
Address Country	RO
Postal Zip Code	030167
City Area Code	403
Local Phone Number	71700107
Current Reporting Status	Yes
Interactive Data Current	Yes
Filer Category	Non-accelerated Filer
Small Business	true
Emerging Growth Company	true
extended transition period	false
Shell Company	false
Common Stock Shares Outstanding		6,087,500
Email Address	management@corpcrona.com