XML 65 R52.htm IDEA: XBRL DOCUMENT

Employee benefits (Tables)

12 Months Ended

Dec. 31, 2018

Employee benefits

Schedule of analysis of net period cost


		2018			2017			2016
Analysis of net period cost:
Current service cost		Ps.	4,977		Ps.	3,657		Ps.	2,421
Interest cost on benefit obligation			1,424			1,000			701
Net period cost		Ps.	6,401		Ps.	4,657		Ps.	3,122

Schedule of changes in defined benefit obligation


		2018			2017			2016
Defined benefit obligation at January 1,		Ps.	19,289		Ps.	13,438		Ps.	10,056
Net period cost charged to profit or loss:
Current service cost			4,977			3,657			2,421
Interest cost on benefit obligation			1,423			1,000			701
Remeasurement losses in other comprehensive income:
Actuarial changes arising from changes in assumptions			(5,989)			1,776			442
Payments made			(1,547)			(582)			(182)
Defined benefit obligation at December 31,		Ps.	18,153		Ps.	19,289		Ps.	13,438

Summary of significant assumptions used in the computation of the seniority premium obligations


		2018		2017		2016
Financial:
Discount rate		9.91	%	7.72	%	7.78	%
Expected rate of salary increases		5.65	%	5.50	%	5.50	%
Annual increase in minimum salary		4.15	%	4.00	%	4.00	%

Biometric:
Mortality (1)		EMSSA 09		EMSSA 09		EMSSA 09
Disability (2)		IMSS-97		IMSS-97		IMSS-97

(1)

Mexican Experience of social security (EMSSA).

(2)

Mexican Experience of Instituto Mexicano del Seguro Social (IMSS).

Schedule of accruals for short-term employee benefits


		2018			2017			2016
Employee profit-sharing (Note 15c)		Ps.	14,984		Ps.	9,063		Ps.	10,695