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Measurement of recoverable value (Details) | 12 Months Ended
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Dec. 31, 2021
Cash Flow Projection One [Member] |
IfrsStatementLineItems [Line Items] |
Cash flow projection | Gross margin
Measurement of recoverable value by 2057 | Estimated based on market study to capture cargo and operating costs according to market trend studies
Cash Flow Projection Two [Member] |
IfrsStatementLineItems [Line Items] |
Cash flow projection | Cost estimate
Measurement of recoverable value by 2057 | Study-based costs and market trends
Cash Flow Projection Three [Member] |
IfrsStatementLineItems [Line Items] |
Cash flow projection | Perpetuity growth rate
Measurement of recoverable value by 2057 | Growth rate was not considered as a result of the projection model until the end of the concession
Cash Flow Projecti Four [Member] |
IfrsStatementLineItems [Line Items] |
Cash flow projection | Discount rate
Measurement of recoverable value by 2057 | Range from 5.18% to 7.50% in real terms

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