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Other Liabilities, Provisions, Contingencies and Commitments - Schedule of Provisions and Other Non-Current Liabilities (Detail) - MXN ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Disclosure of financial liabilities [abstract]
Contingencies	$ 8,854	$ 9,928
Payable taxes	710	873
Others	879	767
Total	$ 10,443	$ 11,568

X

- Definition

Others provisions and other long term liabilities.

+ References

No definition available.

+ Details

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X

- Definition

Provisions and other long term liabilities.

+ References

No definition available.

+ Details

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- Definition

Taxes payable.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

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X

- Definition

The amount of liabilities of uncertain timing or amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 54
-Subparagraph l
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-URIDate 2019-03-27

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