XML 201 R117.htm IDEA: XBRL DOCUMENT
v3.22.1

Schedule of assumptions adopted for the calculation of contract assets (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Concession Assets [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Construction income | 1.65% |
Operating And Maintenance Margin [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Operating and maintenance margin | 1.65% | 1.65%
Remuneration Rate [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Remuneration rate | 9.56% | 9.58%
Contract correction index | IPCA (b) | IPCA (b)
R B S E Assets [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Remuneration rate | 9.54% | 9.54%
Contract correction index |  | IPCA
Annual RAP, according to Homologatory Resolution |  | R$ 279,406
R B S E Assets One [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Contract correction index | IPCA |
Annual Rap [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Annual RAP, according to Homologatory Resolution | R$ 456,499 | R$ 415,455
R B S E Assets Two [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Annual RAP, according to Homologatory Resolution | R$ 192,288 |

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