Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2023

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 (in years)	As of December 31,
		2023		2022
Leasehold improvements	5-10	$	54	$	34
Scientific equipment	5	24		17
Furniture and equipment	3-5	3		3
Construction in progress	—	1		4
Property and equipment, gross		82		58
Less: Accumulated depreciation and amortization		(31)		(23)
Property and equipment, net		$	51	$	35