v3.26.1
INCOME TAXES - Schedule of effective income tax rate reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]      
Tax Jurisdiction of Domicile [Extensible Enumeration] UNITED STATES UNITED STATES UNITED STATES
Amount      
Income taxes at federal statutory rate $ 11 $ 1 $ 5
State income taxes, net of federal benefit 0 2 1
Unrecognized tax benefits 1 0 (4)
Research and development credit (1) (2) 1
Meals and entertainment 2 1 1
Stock based compensation expense 1 1 0
Total $ 14 $ 3 $ 4
Percent      
Income taxes at federal statutory rate 21.00% 21.00% 21.00%
State income taxes, net of federal benefit 0.00% 34.00% 5.00%
Unrecognized tax benefits 1.00% 0.00% (14.00%)
Research and development credit (2.00%) (38.00%) 3.00%
Nondeductible meals, entertainment and parking expenses 4.00% 23.00% 5.00%
Stock based compensation expense 1.00% 11.00% 0.00%
Total income tax provision 25.00% 51.00% 20.00%