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Schedule I - Condensed Financial Information of Registrant (Condensed Statements of Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net loss	$ (644,786)	$ (881,708)	$ (2,003,815)
Other comprehensive (loss) income, net of tax of nil:
Foreign currency translation adjustments	(47,565)	(25,464)	(90,421)
Pension liability adjustments, net	(1,942)	(5,611)	365
Unrealized holding (loss) gain, net	(35)	9,046	(5,311)
Comprehensive loss attributable to BeiGene, Ltd.	(694,328)	(903,737)	(2,099,182)
Parent Company
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
Net loss	(644,786)	(881,708)	(2,003,815)
Other comprehensive (loss) income, net of tax of nil:
Foreign currency translation adjustments	(47,565)	(25,464)	(90,421)
Pension liability adjustments, net	(1,942)	(5,611)	365
Unrealized holding (loss) gain, net	(35)	9,046	(5,311)
Comprehensive loss attributable to BeiGene, Ltd.	$ (694,328)	$ (903,737)	$ (2,099,182)

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