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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2020
Mar. 15, 2021
Jun. 30, 2020
Document and Entity Information [Abstract]      
Entity Registrant Name American BriVision (Holding) Corp    
Entity Central Index Key 0001173313    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Shell Company false    
Entity Current Reporting Status Yes    
Entity Emerging Growth Company false    
Entity Filer Number 333-91436    
Entity Interactive Data Current Yes    
Entity Incorporation State Country Code NV    
Entity Common Stock, Shares Outstanding   24,420,526  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Public Float     $ 73,261,578