Stock-Based Compensation - Additional Information (Details) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended |
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Mar. 31, 2021
USD ($)
$ / shares
shares
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| Stock-based compensation | |
| Total unrecognized compensation cost related to unvested Awards | $ | $ 159 |
| Weighted average period of recognition related to unvested equity awards (in years) | 2 years 2 months 12 days |
| Common Class A | |
| Stock-based compensation | |
| Shares reserved for future issuance upon exercise of stock options | 39.0 |
| Common Class B | |
| Stock-based compensation | |
| Shares reserved for future issuance upon exercise of stock options | 3.2 |
| Restricted Stock Units (RSUs) | |
| Stock-based compensation | |
| RSUs Outstanding | 14.0 |
| RSUs GDFV | $ / shares | $ 9.76 |
| Restricted Stock Units (RSUs) | Common Class A | |
| Stock-based compensation | |
| RSUs GDFV | $ / shares | $ 12.90 |
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for 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 The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. 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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