Trade accounts payable (Tables)

12 Months Ended

Dec. 31, 2019

Trade accounts payable

Schedule of trade accounts payable

	December 31,
	2019		2018		2017
Suppliers and contractors	Ps.	140,806	Ps.	155,904	Ps.	200,598
Customer advances		43,102		39,877		42,317
Statutory employee profit sharing		12,883		8,218		6,475
	Ps.	196,791	Ps.	203,999	Ps.	249,390