Cover - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2022	Feb. 14, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-37686
Entity Registrant Name	BEIGENE, LTD.
Entity Incorporation, Country Code	E9
Entity Tax Identification Number	98-1209416
Entity Address, Address	c/o Mourant Governance Services (Cayman) Limited
Entity Address, Address	94 Solaris Avenue, Camana Bay
Entity Address, Town	Grand Cayman
Entity Address, Country	KY
Entity Address, Postal Zip Code	KY1-1108
City Area Code	345
Local Phone Number	949 4123
Title of each class	American Depositary Shares, each representing 13 Ordinary Shares, par value $0.0001 per share
Trading Symbol(s)	BGNE
Name of each exchange on which registered	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 16.8
Entity Common Stock, Shares Outstanding		1,356,140,180
Documents Incorporated by Reference	The registrant intends to file a definitive proxy statement pursuant to Regulation 14A within 120 days of the end of the fiscal year ended December 31, 2022. Portions of such definitive proxy statement are incorporated by reference into Part III of this Annual Report on Form 10‑K.
Entity Central Index Key	0001651308
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY