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Investment in joint ventures accounted for under the equity method: - Net income for the period (Details) - MXN ($) $ in Thousands		5 Months Ended		12 Months Ended
	May 26, 2017	May 26, 2017	May 25, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure of joint ventures [line items]
Net income for the period				$ 5,683,635	$ 5,119,806	$ 6,750,165
Equity method earnings						$ 112,345
Aerostar
Disclosure of joint ventures [line items]
Net income for the period		$ 224,690	$ 224,690
Equity percentage in joint venture	50.00%		50.00%
Equity method earnings			$ 112,345

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The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]

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The proportion of the voting rights in a joint venture held by the entity. [Refer: Joint ventures [member]]

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