Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment, Net

Property and equipment, net was all located in the United States and consisted of the following (in millions):

	Useful Life	As of December 31,
	(in years)	2022			2021
Leasehold improvements	10	$	34		$	32
Scientific equipment	5		17			14
Furniture and equipment	3-5		3			2
Construction in progress	-		4			2
Total			58			50
Less: Accumulated depreciation and amortization			(23	)		(18	)
Property and equipment, net		$	35		$	32