Long-Term Debt - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Aug. 27, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Mar. 31, 2025
Debt Instrument [Line Items]
Interest expense, debt		$ 4	$ 1	$ 7	$ 1
Debt instrument, interest rate, effective percentage		13.08%		13.08%			13.39%
Hercules Agreement | Secured Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 250
Proceeds from issuance of secured debt	50
Debt Instrument, additional committed amount	50					$ 50
Debt Instrument, minimum increments amount	25
Debt instrument, face amount, contingently available	$ 100
Debt instrument, periodic payment, interest, term	48 months
Debt instrument, interest rate, stated percentage	10.45%
Debt Instrument, variable interest rate, Type [Extensible Enumeration]	Prime Rate [Member]
Debt instrument, basis spread on variable rate	1.95%
Debt instrument, payment in kind	2.00%
Debt instrument, payment in kind, principal	110.00%