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Cover - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Mar. 16, 2022
Jun. 30, 2021
Cover [Abstract]        
Entity Registrant Name CELSIUS HOLDINGS, INC      
Entity Central Index Key 0001341766      
Document Type 10-K      
Document Period End Date Dec. 31, 2021      
Amendment Flag false      
Current Fiscal Year End Date --12-31      
Entity File Number 001-34611      
Entity Incorporation, State or Country Code NV      
Entity Tax Identification Number 20-2745790      
Entity Address, Address Line One 2424 N Federal Highway      
Entity Address, Address Line Two Suite 208      
Entity Address, City or Town Boca Raton      
Entity Address, State or Province FL      
Entity Address, Postal Zip Code 33431      
City Area Code 561      
Local Phone Number 276-2239      
Title of 12(b) Security Common Stock, $.001 par value      
Trading Symbol CELH      
Security Exchange Name NASDAQ      
Entity Current Reporting Status Yes      
Entity Interactive Data Current Yes      
Entity Filer Category Large Accelerated Filer      
Entity Small Business false      
Entity Emerging Growth Company false      
Auditor Name Ernst & Young LLP Assurance Dimensions    
Auditor Location Boca Raton, Florida Margate, Florida    
Auditor Firm ID 42 5036    
Entity Shell Company false      
Entity Common Stock, Shares Outstanding     75,337,539  
Well Known Seasoned Issuer Yes      
Document Annual Report true      
Document Transition Report false      
Entity Voluntary Filers No      
Entity Public Float       $ 2,900,279,235
Document Fiscal Period Focus FY      
Document Fiscal Year Focus 2021      
ICFR Auditor Attestation Flag true      
Documents Incorporated by Reference

Portions of the registrant’s Definitive Proxy Statement to be filed subsequent to the date hereof with the Securities and Exchange Commission (the “SEC”) pursuant to Regulation 14A in connection with the registrant’s 2022 Annual Meeting of Stockholders are incorporated by reference into Part III of this Report. Such Definitive Proxy Statement will be filed with the SEC no later than 120 days after the conclusion of the registrant’s fiscal year ended December 31, 2021.