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Derivative Financial Instruments - Additional Information (Detail) | 12 Months Ended |  |
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Dec. 31, 2021 USD ($) R$ / Number | Dec. 31, 2021 BRL (R$) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 R / Number | Dec. 31, 2021 ZAR (R) | Dec. 31, 2020 USD ($) R / Number | Dec. 31, 2020 ZAR (R) R / Number
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |
Derivative Instruments in Hedges, Assets, at Fair Value |  |  | $ 32,226 |  |  | $ 45,438 |
Financial Instrument, Net Premium Terms | zero-net premium |  |  |  |  |  |
Maximum length of time hedged in cash flow hedge | 1 year |  |  |  |  |  |
Derivative instruments, Gain loss reclassification from accumulated OCI to income, Estimated net amount to be transferred | $ 32,226 |  |  |  |  |  |
Derivative instruments, Gain loss reclassification from accumulated OCI to income, Estimate of time to transfer | 12 months |  |  |  |  |  |
Derivative Instruments in Hedges, Liabilities, at Fair Value |  |  | 32,226 |  |  |  |
Cash flow hedges discontinued during period | $ 0 |  |  |  |  |  |
Zerocost collar [Member] |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | 1,745,687 |  |  | $ 487,702 |
Zerocost collar [Member] | Eve Holdings [Member] |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | $ 1,393,512 |  |  |  |
Zerocost collar [Member] | Minimum [Member] |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  | R$ 7,246,263 |  |  | R 9,077,572 |  | R 1,851,414
Derivative, Average Price Risk Option Strike Price | 5.2 |  |  | 5.2 |  | 3.7962 | 3.7962
Zerocost collar [Member] | Maximum [Member] |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  | R$ 8,524,671 |  |  | R 10,693,380 |  | R 2,145,840
Derivative, Average Price Risk Option Strike Price | 6.1174 |  |  | 6.1256 |  | 4.3999 | 4.3999

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- Definition Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80845-113994 + Details
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