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26 Accounts Payable Related to Concessions (Details 2) - BRL (R$) R$ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	R$ 731,864	R$ 612,587	R$ 584,163
Present value [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	731,864
Present value [member] | 2021 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	88,951
Present value [member] | 2022 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	78,757
Present value [member] | 2022 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	71,101
Present value [member] | 2023 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	64,195
Present value [member] | After 2024 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	428,860
Nominal value [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	1,505,293
Nominal value [member] | 2021 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	87,432
Nominal value [member] | 2022 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	87,432
Nominal value [member] | 2022 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	87,432
Nominal value [member] | 2023 [member]
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	87,432
Nominal value [member] | After 2024
DisclosureOfAccountsPayableRelatedToConcessionsLineItems [Line Items]
Accounts payable related to concession	R$ 1,155,565

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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.

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No definition available.

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- Definition

The amount of trade payables and other payables. [Refer: Trade payables; Other payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 54
-Subparagraph k
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_k&doctype=Standard
-URIDate 2020-01-01

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