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Summary of Significant Accounting Policies - Additional Information (Detail) | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2022 USD ($) NUMBER $ / shares shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) NUMBER $ / shares shares | Sep. 30, 2021 USD ($) | Dec. 31, 2021
Income tax examination likelihood of unfavorable settlement |  |  | greater than 50% |  | greater than 50%
Number of operating segments |  |  | 3 |  |
New Warrants Expenses | $ | $ 17,424,230 | $ 0 | $ 104,776,230 | $ 0 |
Stock Incentive Plan 2022 [Member] |  |  |  |  |
Number Of Tranches Granted Under Share Based Payment Award | NUMBER |  |  | 6 |  |
Number of tranches granted under share-based payment award for performance conditions | NUMBER |  |  | 4 |  |
Number of tranches granted under share-based payment award for service conditions | NUMBER |  |  | 1 |  |
Number of tranches granted under share-based payment award for market and service conditions | NUMBER | 1 |  | 1 |  |
eVTOL [Member] |  |  |  |  |
Period of incubation stage |  |  | 4 years |  |
Software licenses |  |  |  |  |
Finite lived intangible asset useful life |  |  | 5 years |  |
Common Stock [Member] |  |  |  |  |
Stock issued during period for warrants exercised, shares | shares | 800,000 |  |  |  |
Common Stock [Member] | Strategic Warrants One [Member] |  |  |  |  |
Warrants exercisable to purchase common stock | shares | 24,095,072 |  | 24,095,072 |  |
Common Stock, Exercise price | $ / shares | $ / shares | $ 0.01 |  | $ 0.01 |  |
Common Stock [Member] | Strategic Warrants One [Member] | Parent Company [Member] |  |  |  |  |
Common Stock, Exercise price | $ / shares | $ / shares | $ 8,000 |  | $ 8,000 |  |
Common Stock [Member] | Strategic Warrants Two [Member] |  |  |  |  |
Warrants exercisable to purchase common stock | shares | 12,000,000 |  | 12,000,000 |  |
Common Stock, Exercise price | $ / shares | $ / shares | $ 15 |  | $ 15 |  |
Common Stock [Member] | Strategic Warrants Three [Member] |  |  |  |  |
Warrants exercisable to purchase common stock | shares | 5,000,000 |  | 5,000,000 |  |
Common Stock, Exercise price | $ / shares | $ / shares | $ 11.5 |  | $ 11.5 |  |

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