Income Taxes - Reconciliation of the (Benefit) Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax expense (benefit) at the federal statutory rate			$ 5	$ 6
State income taxes, net of effect of federal tax benefit			2	3
Unrecognized tax benefits and related interest			1	4
Stock-based compensation			4	6
Research tax credit			(2)	(1)
Change in valuation allowance			(2)	5
IRS audit settlement			45	31
Transfer pricing reserves adjustment			(4)	24
Other, net			8	0
Provision (benefit) for income taxes	$ 14	$ 20	$ 57	$ 78