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10. BASIS OF CONSOLIDATION AND INVESTMENTS IN SUBSIDIARIES AND AFFILIATES (Details 5) | 12 Months Ended
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Dec. 31, 2020
Cash Flow Projection One [member] |
BasisOfConsolidationAndInvestmentsInSubsidiariesAndAffiliatesLineItems [Line Items] |
Cash Flow Projection | Gross margin
By 2057 | Estimated based on market study to capture cargo and operating costs according to market trend studies
Cash Flow Projection Two [member] |
BasisOfConsolidationAndInvestmentsInSubsidiariesAndAffiliatesLineItems [Line Items] |
Cash Flow Projection | Cost estimate
By 2057 | Study-based costs and market trends
Cash Flow Projection Three [member] |
BasisOfConsolidationAndInvestmentsInSubsidiariesAndAffiliatesLineItems [Line Items] |
Cash Flow Projection | Perpetuity growth rate
By 2057 | Growth rate was not considered as a result of the projection model until the end of the concession.
Cash Flow Projection Four [member] |
BasisOfConsolidationAndInvestmentsInSubsidiariesAndAffiliatesLineItems [Line Items] |
Cash Flow Projection | Discount rate
By 2057 | Range from 5.83% to 7.41% in real terms

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- Definition The amount of cash flow projection. + References No definition available. + Details
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- Definition Represent information about the measurement of recoverable value by2057. + References No definition available. + Details
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