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Intangible assets, airport concessions and goodwill - Net: (Details 3)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Aerostar segment [Member]
Discount rate	10.93%	10.00%
Discount rate for the value in use method	11.75%	11.75%
Annual average of revenue growth	4.14%	2.44%
Output Passenger Growth Rate	2.50%	1.88%
Level of the fair value hierarchy of value recoverable from the CGU	3	3
Airplan segment [Member]
Discount rate	10.46%	10.07%
Discount rate for the value in use method	15.12%	15.12%
Annual average of revenue growth	3.10%	3.10%
Output Passenger Growth Rate	4.50%	3.80%
Level of the fair value hierarchy of value recoverable from the CGU	3	3

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No definition available.

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- Definition

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

+ References

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- Definition

The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

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The description of the level of the fair value hierarchy within which the fair value measurement is categorised in its entirety (without giving regard to the observability of 'costs of disposal') for a cash-generating unit (group of units'). [Refer: Cash-generating units [member]]

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