Revenues - Summary of Revenues by Collaboration, Category of Revenue and Method of Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 145	$ 25
License and R&D services
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	133	17
Access rights
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	8	8
R&D services
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4	$ 0