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Restructuring - Narrative (Details) $ in Millions |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Feb. 09, 2024 employee | Sep. 21, 2023 USD ($) | Sep. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Restructuring and related cost, number of positions eliminated | employee | 250 |  |  |  |  |  |
Restructuring and related cost, number of positions eliminated, expected percent | 7.00% |  |  |  |  |  |
Total stock-based compensation expense |  | $ 2,581 | $ 69 |  | $ 2,605 | $ 214 | $ 2,614
Restructuring and related cost, expected cost remaining |  |  | $ 0 |  |  | $ 0 |
2024 Restructuring Plan |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |
Total stock-based compensation expense |  |  |  | $ 0 |  |  |
Benefit amount, reversal of previously recognized stock-based compensation expense |  |  |  | $ 46 |  |  |

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