Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2022	Dec. 31, 2023
Income Tax Contingency [Line Items]
Valuation allowance increased (decreased) value	$ 96	$ 83
Liability related to uncertain tax positions	0
Reserve for unrecognized tax benefits	24	19		$ 13
Interest or penalties accrued	0	$ 0
Unrecognized tax benefits that would impact effective tax rate	0
Federal
Income Tax Contingency [Line Items]
R&D costs amortization period			5 years
Net operating loss carryforwards	170
Federal | Research
Income Tax Contingency [Line Items]
Research tax credits	59
Foreign Tax Jurisdiction
Income Tax Contingency [Line Items]
R&D costs amortization period			15 years
Foreign Tax Jurisdiction | Research
Income Tax Contingency [Line Items]
Research tax credits	3
State
Income Tax Contingency [Line Items]
Net operating loss carryforwards	49
State | Research
Income Tax Contingency [Line Items]
Research tax credits	$ 25