Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Receivable from collaboration partners	$ 20	$ 4
Other assets	15	(1)
Deferred revenue	(81)	(19)
Proceeds from issuance of common stock	228	20
Related Party
Receivable from collaboration partners	6	7
Other assets	(6)	3
Deferred revenue	(90)	(19)
Proceeds from issuance of common stock	$ 228	$ 20