v3.10.0.1
Document and Entity Information
6 Months Ended
Jun. 30, 2018
$ / shares
Aug. 08, 2018
shares
Document and Entity Information [Abstract]    
Entity Registrant Name BeiGene, Ltd.  
Entity Central Index Key 0001651308  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding | shares   767,163,184
Entity Listing, Par Value Per Share | $ / shares $ 0.0001  
Entity Listing, Depository Receipt Ratio   13
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2