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Stockholders' Equity: (Tables)

12 Months Ended

Dec. 31, 2018

Share capital, reserves and other equity interest [Abstract]

Disclosure of classes of share capital [text block]

										Capital Stock as of
		Total shares								December 31,
Description		2017				2018				2017				2018
“B” Series			277,050,000				277,050,000			Ps	7,173,079			Ps	7,173,079
“BB” Series			22,950,000				22,950,000				594,197				594,197
Total			300,000,000				300,000,000			Ps	7,767,276			Ps	7,767,276

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- References

No definition available.

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- Definition

The disclosure of classes of share capital. [Refer: Share capital [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 79
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-URIDate 2018-03-16

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