Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment, Net

Property and equipment, net was all located in the U.S. and consisted of the following (in millions):

	Useful Life (in years)	As of December 31,
		2025		2024
Leasehold improvements	6-10	$	57	$	56
Scientific equipment	5	28		27
Furniture and equipment	3-5	4		4
Construction in progress	—	1		1
Property and equipment, gross		90		88
Less: Accumulated depreciation and amortization		(50)		(41)
Property and equipment, net		$	40	$	47