XML 161 R125.htm IDEA: XBRL DOCUMENT
v3.22.1

Schedule of composition of intangible assets (Details) - BRL (R$) R$ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | R$ 12,953 | R$ 11,810 | R$ 11,624 | R$ 10,777
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] | (9,822) |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 12,953 | 11,810 |  |
Accumulated depreciation and amortisation [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  | (9,194) |  |
Onerous Concession [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 13 | 19 |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] | (8) | (13) |  |
Temporary Easement Intangible Assets [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 15 | 13 |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] | (5) |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 10 | 9 |  |
Temporary Easement Intangible Assets [Member] | Accumulated depreciation and amortisation [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  | (4) |  |
Onerous Concession [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 5 | 6 |  |
Service concession rights [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 21,476 | 20,781 |  |
Assets Of Concession [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] | (9,669) |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 11,807 | 11,674 |  |
Assets Of Concession [Member] | Accumulated depreciation and amortisation [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  | (9,107) |  |
Assets Of Concession G S F [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 1,032 | 0 |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] | (66) |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 966 | 0 |  |
Assets Of Concession G S F [Member] | Accumulated depreciation and amortisation [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  | 0 |  |
Other intangible assets [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 78 | 78 |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] | (74) |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 4 | 8 |  |
Other intangible assets [member] | Accumulated depreciation and amortisation [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  | (70) |  |
Intangible assets under development [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 161 | 113 | 82 | 63
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillResidualValue-0] | 161 | 113 |  |
Intangible assets under development [member] | Gross carrying amount [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 22,614 | 20,891 |  |
Useful Life Defined Intangible Asset [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | 12,792 | 11,697 | R$ 11,542 | R$ 10,714
Useful Life Defined Intangible Asset [Member] | Accumulated depreciation and amortisation [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets | R$ (9,822) | (9,194) |  |
Useful Life Defined Intangible Asset [Member] | Intangible assets under development [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
[custom:IntangibleAssetsOtherThanGoodwillAccumulatedAmortization-0] |  |  |  |

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