Revenues - Summary of Revenues by Collaboration, Category of Revenue and Method of Recognition (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 39	$ 29	$ 184	$ 54
License and R&D services
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	27	20	160	37
Access rights
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	9	9	17	17
R&D services
License And Collaboration Agreements [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 3	$ 0	$ 7	$ 0