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Derivative Financial Instruments - Additional Information (Detail)	12 Months Ended
	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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Financial instrument, net premium terms.

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The average strike price on the group of price risk option contracts such as put options or call options.

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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.

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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.

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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

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- Definition

Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

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Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

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Nominal or face amount used to calculate payment on derivative.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from discontinuance of cash flow hedge included in assessment of hedge effectiveness.

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