v3.25.4
Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]      
Current income tax expense (benefit) $ 0 $ 0 $ 0
Deferred income tax expense (benefit) 0 0 0
Operating Loss Carryforwards [Line Items]      
Income Taxes Paid 0 $ 0 $ 0
Federal      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 2,688    
Federal | Research Tax Credit Carryforward      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforward 248    
State      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 3,142    
State | Research Tax Credit Carryforward      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforward $ 63