Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue from contract with customer, excluding assessed tax	$ 32	$ 33	$ 86	$ 78
Related Party
Research and development expense, net of recoveries	22	27	89	93
License and Development Services Revenue
Revenue from contract with customer, excluding assessed tax	22	23	58	48
License and Development Services Revenue | Related Party
Revenue from contract with customer, excluding assessed tax	18	23	54	48
Other Collaboration Revenue
Revenue from contract with customer, excluding assessed tax	10	10	28	30
Other Collaboration Revenue | Related Party
Revenue from contract with customer, excluding assessed tax	$ 10	$ 8	$ 28	$ 25