Materials and supplies (Details) - MXN ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Materials and supplies [Abstract]
Spare parts	$ 43,335	$ 75,909
Fuels	14,361	29,722
Others	365	669
Materials and supplies	$ 58,061	$ 106,300

No definition available.

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- Definition

A classification of current inventory representing the amount of fuel. [Refer: Inventories]

+ References

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- Definition

The amount of current inventories. [Refer: Inventories]

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- Definition

The amount of inventory that the entity does not separately disclose in the same statement or note. [Refer: Inventories]

+ References

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- Definition

A classification of current inventory representing the amount of interchangeable parts that are kept in an inventory and are used for the repair or replacement of failed parts. [Refer: Inventories]

+ References

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