v3.26.3
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Jun. 30, 2025
Cover [Abstract]    
Entity Registrant Name CRONA CORP.  
Entity Central Index Key 0001696411  
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 false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Dec. 31, 2025  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2025  
Entity Common Stock Shares Outstanding 16,587,600  
Entity Public Float   $ 0
Document Annual Report true  
Document Transition Report false  
Document Fin Stmt Error Correction Flag false  
Entity File Number 333-216180  
Entity Incorporation State Country Code WY  
Entity Tax Identification Number 35-2574778  
Entity Address Address Line 1 422 Richards Street  
Entity Address Address Line 2 Unit 170  
Entity Address City Or Town Vancouver  
Entity Address State Or Province BC  
Entity Address Postal Zip Code V6B 2Z4  
City Area Code 888  
Auditor Name Boladale Lawal & CO  
Auditor Location Lagos, Nigeria  
Auditor Firm Id 6993  
Local Phone Number 998-9449  
Security 12b Title Common stock  
Trading Symbol CCCP  
Entity Interactive Data Current Yes