Other Balance Sheet Components - Deferred Revenue (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Change In Contract with Customer Liability [Roll Forward]
Beginning balance	$ 2,711
Additions	47
Deductions	(866)
Ending balance	1,892
Product sales
Change In Contract with Customer Liability [Roll Forward]
Beginning balance	2,626
Additions	45
Deductions	(855)
Ending balance	1,816
Grant revenue
Change In Contract with Customer Liability [Roll Forward]
Beginning balance	4
Additions	0
Deductions	(1)
Ending balance	3
Collaboration revenue
Change In Contract with Customer Liability [Roll Forward]
Beginning balance	81
Additions	2
Deductions	(10)
Ending balance	$ 73