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v3.20.1

Risks and Financial Instruments - summary of foreign exchange hedging instruments designated as fair value hedge (Detail) R$ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2019 BRL (R$) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 BRL (R$) | Dec. 31, 2018 USD ($)
Disclosure of detailed information about hedges [line items] |  |  |  |
Notional amount - R$ | R$ 90.0 |  |  |
Result of hedging instruments - gain/(loss) - R$ | 0.6 |  |  |
Fair value adjustment of debt - R$ | (0.2) |  |  |
Financial expense in the statements of profit or loss - R$ | R$ (0.4) |  |  |
Average effective cost - DI % | 99.90% | 99.90% |  |
Foreign exchange hedging instruments [member] |  |  |  |
Disclosure of detailed information about hedges [line items] |  |  |  |
Notional amount - R$ | $ |  | $ 395.0 |  | $ 395.0
Result of hedging instruments - gain/(loss) - R$ | R$ 79.5 |  | R$ 149.2 |
Fair value adjustment of debt - R$ | (36.8) |  | (28.5) |
Financial expense in the statements of profit or loss - R$ | R$ (130.3) |  | R$ (215.9) |
Average effective cost - DI % | 104.40% | 104.40% | 104.40% | 104.40%
Interest rate hedging instruments [member] |  |  |  |
Disclosure of detailed information about hedges [line items] |  |  |  |
Notional amount - R$ | R$ 806.1 |  | R$ 806.1 |
Result of hedging instruments - gain/(loss) - R$ | 73.0 |  | 25.8 |
Fair value adjustment of debt - R$ | (77.0) |  | (13.3) |
Financial expense in the statements of profit or loss - R$ | R$ (68.1) |  | R$ (50.2) |
Average effective cost - DI % | 95.80% | 95.80% | 95.80% | 95.80%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Gain loss related to fair value adjustment of debt. + References No definition available. + Details
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- Definition Gain loss related to hedging instrument. + References No definition available. + Details
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- Definition Loss related to financial expense of debt. + References No definition available. + Details
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- Definition Notional amount designated as fair value hedge. + References No definition available. + Details
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- Definition Percentage of average effective cost. + References No definition available. + Details
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- Details
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- Details
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Balance Type: |
Period Type: |