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Acquisitions, Investments, Dispositions and Assets Held for Sale - Ocen (Details) - OCEN and subsidiaries - MXN ($) $ in Thousands	1 Months Ended	6 Months Ended	12 Months Ended
	Jul. 31, 2019	Dec. 31, 2019	Dec. 31, 2019
Disclosure of associates [line items]
Proportion of sale of ownership interest in associate	40.00%
Cash consideration received for the disposal of assets and liabilities	$ 5,206,000
Dividends received		$ 350,000	$ 772,400
Assets held for sale		694,239	694,239
Carrying value of investments in OCEN		$ 693,970	$ 693,970

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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- Definition

The amount of dividends received.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2019-01-01
-Paragraph B12
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_B12_a&doctype=Appendix&subtype=B
-URIDate 2019-03-27

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- Definition

The amount of current assets held for sale.

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- Definition

The amount of current investments held for sale.

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- Definition

The amount of cash consideration received for the disposal of assets and liabilities.

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- Definition

The proportion of sale of ownership interest in an associate attributable to the entity.

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