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Stock-Based Compensation | 3 Months Ended
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Mar. 31, 2026
Share-Based Payment Arrangement [Abstract] |
Stock-Based Compensation | Stock-based compensation Stock-based Compensation Expense The following table reflects the components of stock-based compensation expense recognized in our Condensed Consolidated Statements of Operations (in millions):
|  |  | Three Months Ended March 31,
|  |  |  |  | 2026 |  | 2025
Research and development |  |  |  |  | $ | 9 |  |  | $ | 8 |
General and administrative |  |  |  |  | 10 |  |  | 8 |
Total stock-based compensation |  |  |  |  | $ | 19 |  |  | $ | 16 |

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