Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Receivable from collaboration partners	$ 32	$ 15
Other assets	16	(12)
Deferred revenue	(14)	(51)
Proceeds from issuance of common stock	228	25
Related Party
Receivable from collaboration partners	18	17
Other assets	(6)	4
Deferred revenue	(20)	(47)
Proceeds from issuance of common stock	$ 228	$ 20