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Share-Based Awards (Tables) | 9 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Option Award Activity | The following table summarizes option award activity for the nine months ended September 30, 2025:
| Number of Shares Subject to Existing Options (in thousands) |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Life (in years) |  | Aggregate Intrinsic Value (in millions)
Outstanding at January 1, 2025 | 29,941 |  |  | $ | 46.58 |  |  | 6.3 |  | $ | 861 |
Granted | 2,299 |  |  | 76.44 |  |  |  |  |
Exercised | (4,193) |  |  | 41.74 |  |  |  |  |
Forfeited or canceled | (422) |  |  | 52.66 |  |  |  |  |
Outstanding at September 30, 2025 | 27,625 |  |  | 49.71 |  |  | 6.0 |  | 793 |
Vested and exercisable at September 30, 2025 | 20,839 |  |  | 47.32 |  |  | 5.3 |  | 656 |
Schedule of Fair Value of Options Granted, Estimated at Date of Grant Using Black Scholes Merton Option Pricing Model | The following assumptions were used to determine the fair value of option awards granted for the periods presented:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Expected volatility | 54% |  | 55% |  | 54% - 60% |  | 55% - 61%
Risk-free interest rate | 3.82% |  | 3.74% |  | 3.82% - 4.17% |  | 3.74% - 4.50%
Weighted-average expected life | 5.3 years |  | 5.5 years |  | 5.3 - 6.8 years |  | 5.5 - 6.8 years
Weighted-average fair value of options granted | $46.43 |  | $30.96 |  | $43.34 |  | $31.80
Schedule of Restricted Stock Units Activity | The following table summarizes activity for restricted stock units for the nine months ended September 30, 2025:
| Restricted Stock Units (in thousands) |  | Weighted-Average Grant Date Fair Value
Unvested outstanding at January 1, 2025 | 11,729 |  |  | $ | 50.31 |
Granted | 4,568 |  |  | 76.32 |
Vested | (4,551) |  |  | 51.45 |
Forfeited | (849) |  |  | 54.06 |
Unvested outstanding at September 30, 2025 | 10,897 |  |  | $ | 60.43 |
Schedule of Effects of Share Based Compensation in Consolidated Statements of Operations | The following table presents the effects of share-based compensation expense in our condensed consolidated statements of operations during the periods presented (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Cost of revenue | $ | 3 |  |  | $ | 3 |  |  | $ | 9 |  |  | $ | 11 |
Sales and marketing | 18 |  |  | 19 |  |  | 55 |  |  | 57 |
Technology and development | 41 |  |  | 40 |  |  | 119 |  |  | 124 |
General and administrative | 37 |  |  | 46 |  |  | 112 |  |  | 137 |
Total share-based compensation | $ | 99 |  |  | $ | 108 |  |  | $ | 295 |  |  | $ | 329 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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