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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2025
Stockholders' Equity Note [Abstract] |
Schedule of reserved shares of common stock for issuance | The Company had reserved shares of common stock for issuance as follows:
|  | As of December 31,
|  | 2025 |  | 2024
Stock options issued and outstanding |  | 902,120 |  |  | 1,322,176 |
Unvested restricted stock units issued and outstanding |  | 13,663,977 |  |  | 18,386,271 |
Shares of Class A common stock reserved for Twilio.org |  | 265,225 |  |  | 353,633 |
Stock-based awards available for grant under 2016 Plan |  | 28,543,969 |  |  | 23,292,678 |
Shares of Class A common stock reserved for issuance pursuant to ESPP |  | 10,836,938 |  |  | 9,709,326 |
Total |  | 54,212,229 |  |  | 53,064,084 |

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