v3.25.2
Fair Value of Financial Instruments - Schedule of Changes in Warrants (Details) - Level 3 - Root Warrants - Root Warrants - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Opening balance $ 278 $ 80 $ 120 $ 5
Unrealized (loss) gain (35) (22) 123 53
Ending balance $ 243 $ 58 $ 243 $ 58