Investment in associate - Schedule of Condensed Statements of Financial Position (Detail) - MXN ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disclosure Of Significant Investments In Associates [Line Items]
Current assets	$ 9,367,484	$ 7,840,207	$ 8,980,159
Total	41,577,804	39,550,502	39,517,532
Total liabilities	20,908,361	17,778,352	17,440,763
Shareholders´ equity	20,669,443	21,772,150	22,076,769	$ 22,404,569
SCL Terminal Aerea De Santiago S. A. [Member]
Disclosure Of Significant Investments In Associates [Line Items]
Current assets	11,935	47,681	142,672
Total	11,935	47,681	142,672
Total liabilities	7,354	37,845	51,189
Shareholders´ equity	$ 4,581	$ 9,836	$ 91,483

Expiry date 2020-01-01: The amount of resources: (a) controlled by the entity as a result of past events; and (b) from which future economic benefits are expected to flow to the entity. Effective 2020-01-01: The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits.

The amount of residual interest in the assets of the entity after deducting all its liabilities.

+ References + Details

- Definition

Expiry date 2020-01-01: The amount of present obligations of the entity arising from past events, the settlement of which is expected to result in an outflow from the entity of resources embodying economic benefits. Effective 2020-01-01: The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits.

+ References + Details