v3.25.4
Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2025
Equity [Abstract]  
Schedule of Stock Options and SAR Activity
A summary of stock option and SAR activity for the year ended December 31, 2025 is as follows (in millions, except share amounts which are reflected in thousands, per share amounts, and years):
SARs Outstanding Number of SARsOptions Outstanding Number of SharesWeighted-Average Exercise Price Per ShareWeighted-Average Remaining Contractual Life (in years)Aggregate Intrinsic Value
As of December 31, 202433 7,198 $40.16 4.90$153 
Granted— 484 $74.44 
Exercised(14)(1,606)$18.73 
Canceled and forfeited(3)(208)$46.59 
As of December 31, 202516 5,868 $48.72 4.79$194 
Exercisable as of December 31, 202516 2,160 $27.68 3.17$118 
Schedule of Restricted Stock Units Activity
The following table summarizes the activity related to our RSUs for the year ended December 31, 2025 (in thousands, except per share amounts):
Number of SharesWeighted-Average
 Grant-Date Fair
 Value per Share
Unvested and outstanding as of December 31, 202466,202 $48.49 
Granted35,464 $77.19 
Vested(35,155)$47.28 
Canceled and forfeited(8,857)$56.25 
Unvested and outstanding as of December 31, 202557,654 $65.69 
Schedule of Stock-Based Compensation Expense by Function The following table summarizes total stock-based compensation expense by function for the years ended December 31, 2023, 2024, and 2025 (in millions):
Year Ended December 31,
202320242025
Operations and support$184 $218 $225 
Sales and marketing96 91 103 
Research and development1,215 1,104 1,101 
General and administrative440 383 397 
Total$1,935 $1,796 $1,826