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Trade Accounts Receivable, Net - Disclosure of Trade Accounts Receivable, Net (Detail) - MXN ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Trade and other current receivables [abstract]
Trade accounts receivables	$ 28,890	$ 30,278
Allowance for expected credit losses	(2,668)	(2,114)
Trade accounts receivable, Net	$ 26,222	$ 28,164

X

- Definition

The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
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+ Details

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Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X

- References

No definition available.

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X

- Definition

The amount due from customers for goods and services sold.

+ References

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