Trade accounts payable (Tables)

12 Months Ended

Dec. 31, 2020

Trade accounts payable

Schedule of trade accounts payable

	December 31,
	2020		2019		2018
Suppliers and contractors	Ps.	107,507	Ps.	140,806	Ps.	155,904
Customer advances		91,841		43,102		39,877
Statutory employee profit sharing		4,700		12,883		8,218
	Ps.	204,048	Ps.	196,791	Ps.	203,999