Segment Information - Net sales from external customers (Details) - MXN ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Information
Services	$ 70,408,764	$ 72,915,848	$ 67,452,100
Royalties	8,533,751	8,526,197	7,097,435
Goods	2,133,122	2,317,315	2,415,371
Leases	13,198,598	12,528,003	11,086,923
Total revenue	$ 94,274,235	$ 96,287,363	$ 88,051,829

The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants.

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+ Details