Income Taxes - Schedule of Income Tax Paid (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]
Federal	$ 0	$ 0	$ 4
State	0	0	1
Total cash paid for income taxes, net of refunds	0	0	5
Pennsylvania
Effective Income Tax Rate Reconciliation [Line Items]
State	$ 0	$ 0	$ 1