Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Receivable from collaboration partners	$ 28	$ 15	$ 704
Other assets	22	(14)	2
Deferred revenue	(56)	(68)	(112)
Proceeds from issuance of common stock	228	25	0
Related Party
Receivable from collaboration partners	14	19	704
Other assets	(6)	4	2
Deferred revenue	(56)	(77)	(107)
Proceeds from issuance of common stock	$ 228	$ 20	$ 0