Stock Based Compensation - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
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Dec. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Payment of Option Cash Consideration | $ 0 | $ 4,075,000,000 | |
| Stock Issued During Period, Shares, New Issues | 432,500 | ||
| Risk-free rate | 1.58% | ||
| Term (in years) | 2 years | ||
| Dividend yield | 0.00% | ||
| Volatility | 86.30% | ||
| Net Option Cash Consideration | $ 4,075,000,000 | ||
| Common Stock [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Stock Issued During Period, Shares, New Issues | 200,426 | ||
| Stock issued during the period value new issues | $ 432,500,000 | ||
| Cancellation Agreements [Member] | Common Stock [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Stock issued during the period value new issues | $ 4,325,000,000 | ||
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- Definition Net option cash consideration. No definition available.
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- Definition Payment of Option Cash Consideration. No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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