v3.25.4
Equity Incentive Plans (Tables)
 12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Restricted Stock Unit Activity
RSUs granted under the Plan and the 2017 Plan were as follows:
Twelve Months Ended December 31,
202520242023
RSUs granted (in millions)67 41 63 
Weighted average grant date fair value$6.98 $2.56 $1.74 
RSU activity under the Plan and the 2017 Plan was as follows (in millions, except per share amounts):
Number of
shares		Weighted-
average grant
date fair value
Unvested at December 31, 2024
76 $2.67 
Granted
67 6.98 
Vested(51)4.20 
Forfeited
(12)3.96 
Unvested at December 31, 2025
80 $5.12 
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions
Stock options granted under the Plan and the 2017 Plan were as follows:
Twelve Months Ended December 31,
202520242023
Stock options granted (in millions)2 41 62 
Weighted average grant date fair value$6.48 $1.41 $0.97 
Weighted average grant date fair value assumptions:
Expected term
6.2 years6.0 years5.8 years
Risk-free interest rates
4.3 %4.1 %4.3 %
Expected volatility88.8 %53.1 %55.0 %
Schedule of Share-Based Payment Arrangement, Option, Activity
Stock option activity under the Plan and the 2017 Plan was as follows (in millions, except per share amounts):
Number of
shares		Weighted
average
exercise price		Weighted average remaining contractual term (in years)Aggregate intrinsic value
Outstanding at December 31, 2024
117 $2.07 
Granted2 8.47 
Exercised (a)
(21)1.96 
Forfeited
(7)2.34 
Outstanding at December 31, 2025
91 $2.21 6.7$164 
Exercisable at December 31, 2025
62 $1.95 6.0$123 
(a) The amount of cash received from exercised stock options was $42 million for the twelve months ended December 31, 2025
Schedule of Stock-Based Compensation Expense
Total stock-based compensation expense by function was as follows (in millions):
Twelve Months Ended
December 31,
202520242023
Research and development
$153 $122 $139 
Selling, general, and administrative
35 22 21 
Total
$188 $144 $160