Other Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,862	$ 1,831	$ 2,270	$ 4,037
Grant revenue
Disaggregation of Revenue [Line Items]
Total revenue	7	44	27	96
Collaboration revenue
Disaggregation of Revenue [Line Items]
Total revenue	28	30	35	63
Licensing and royalty revenue
Disaggregation of Revenue [Line Items]
Total revenue	7	0	37	0
Total other revenue
Disaggregation of Revenue [Line Items]
Total revenue	$ 42	$ 74	$ 99	$ 159