Number of shares disposed.

No definition available.

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- Definition

Proceeds from disposal of discontinued operations.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

The gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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- Definition

The number of instruments or interests issued or issuable at acquisition date for equity interests of the acquirer transferred as consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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- Definition

The cash inflow from the disposal of non-current assets or disposal groups classified as held for sale and discontinued operations. [Refer: Discontinued operations [member]; Disposal groups classified as held for sale [member]; Non-current assets or disposal groups classified as held for sale]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

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

The cash outflow for the purchase of interests in investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

+ References

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- Definition

The weighted average share price. [Refer: Weighted average [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Equity Accounted Investees, Other Investments and Non-Current Accounts Receivable - Additional Information (Detail) $ in Millions			1 Months Ended	12 Months Ended
	Sep. 28, 2017 MXN ($) shares	Jan. 25, 2017 USD ($) shares	Apr. 30, 2018 MXN ($)	Dec. 31, 2018 MXN ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017
GCC [member]
Disclosure of detailed information about financial instruments [line items]
Ownership percentage	9.47%
Gain (loss) on sale of business	$ 1,682	$ 1,859,000,000
Number of shares sold \| shares	31,483,332
Share price		$ 95.00
Proceeds from sale	$ 3,012
GCC [member] \| Private Placements Offering [member]
Disclosure of detailed information about financial instruments [line items]
Ownership percentage		13.53%
Proceeds from sale of common stock		$ 4,094,000,000
Number of shares issued		76,483,332
Number of shares sold \| shares		45,000,000
Camcem [member]
Disclosure of detailed information about financial instruments [line items]
Ownership percentage				40.10%	40.10%
Camcem [member] \| Disposal groups classified as held for sale [member]
Disclosure of detailed information about financial instruments [line items]
Ownership percentage	20.00%
ABC Capital, S.A. Institucion de Banca Multiple [member]
Disclosure of detailed information about financial instruments [line items]
Ownership percentage			33.90%	0.00%	0.00%
Proceeds from sale of common stock			$ 105
Gain (loss) on sale of business			$ 157
Lehigh White Cement Company [member]
Disclosure of detailed information about financial instruments [line items]
Ownership percentage				36.80%	36.80%	24.50%
Equity method investment, additional investment				$ 707	$ 36,000,000