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Taxes - Schedule of Deferred Income Tax (Detail) $ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 MXN ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2019 USD ($) | [2] | Dec. 31, 2016 MXN ($)
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | $ (13,575) |  | $ (10,657) | $ (9,720) |  | $ (1,016)
Deferred tax asset |  | (20,521) | [1] | (16,543) |  | $ (1,088) |
Deferred tax liability |  | 6,946 | [1] | 5,886 |  | $ 368 |
Deferred income tax related to consolidated statement of income |  | (1,583) |  | (296) | (8,355) |  |
Deferred tax income net recorded in share of the profit of equity accounted investees |  | 407 |  | (15) | (24) |  |
Deferred tax income, net |  | (1,176) |  | (311) | (8,379) |  |
Allowance for doubtful accounts [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (437) |  | (416) |  |  |
Deferred income tax related to consolidated statement of income |  | (43) |  | 93 | 16 |  |
Inventory [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | 76 |  | 80 |  |  |
Deferred income tax related to consolidated statement of income |  | (6) |  | (27) | (71) |  |
Other current assets [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | 256 |  | 75 |  |  |
Deferred income tax related to consolidated statement of income |  | 182 |  | (31) | 34 |  |
Property, plant and equipment [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (4,068) |  | (3,841) |  |  |
Deferred income tax related to consolidated statement of income |  | (320) |  | (851) | (2,349) |  |
Investments in equity accounted investees [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (5,482) |  | (5,979) |  |  |
Deferred income tax related to consolidated statement of income |  | 7 |  | 40 | (5,094) |  |
Other assets [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | 137 |  | 212 |  |  |
Deferred income tax related to consolidated statement of income |  | 59 |  | (82) | (155) |  |
Finite useful lived intangible assets [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (111) |  | 271 |  |  |
Deferred income tax related to consolidated statement of income |  | (345) |  | 627 | 207 |  |
Indefinite lived intangible assets [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | 10,788 |  | 10,331 |  |  |
Deferred income tax related to consolidated statement of income |  | 1,220 |  | 758 | 968 |  |
Post-employment and other long-term employee benefits [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (1,067) |  | (1,058) |  |  |
Deferred income tax related to consolidated statement of income |  | (2) |  | (148) | (77) |  |
Derivative financial instruments [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (9) |  | 21 |  |  |
Deferred income tax related to consolidated statement of income |  | (31) |  | (63) | (171) |  |
Provisions [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (1,216) |  | (2,761) |  |  |
Deferred income tax related to consolidated statement of income |  | 1,359 |  | 1,122 | (636) |  |
Temporary non-deductible provision [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (3,183) |  | (1,400) |  |  |
Deferred income tax related to consolidated statement of income |  | (1,797) |  | (293) | (144) |  |
Employee profit sharing payable [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (430) |  | (403) |  |  |
Deferred income tax related to consolidated statement of income |  | 8 |  | (27) | (11) |  |
Tax loss carry forwards [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (10,309) |  | (9,558) |  |  |
Deferred income tax related to consolidated statement of income |  | (1,201) |  | (927) | (547) |  |
Tax credits to recover [Member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net | [3] | (1,855) |  | (1,855) |  |  |
Deferred income tax related to consolidated statement of income | [3] | (122) |  | (109) | (1,059) |  |
Other comprehensive income [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net | [4] | (596) |  | 229 |  |  |
Deferred income tax related to consolidated statement of income | [4] | 29 |  | (54) | (224) |  |
Exchange differences on translation of foreign operations in OCI [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | 3,959 |  | 5,202 |  |  |
Other liabilities [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | 533 |  | 193 |  |  |
Deferred income tax related to consolidated statement of income |  | (3) |  | $ (324) | $ 948 |  |
Right of use assets from leases [member] |  |  |  |  |  |  |
Disclosure of income taxes [Line Items] |  |  |  |  |  |  |
Deferred income taxes, net |  | (561) |  |  |  |  |
Deferred income tax related to consolidated statement of income |  | $ (577) |  |  |  |  |
[1] | The Company initially adopted IFRS 16 at January 1st, 2019 using the modified retrospectively approach under which the comparative information is not restated. – See Note 2.4.1
[2] | Convenience translation to U.S. dollars ($) – See Note 2.2.3
[3] | Correspond to income tax credits arising from dividends received from foreign subsidiaries to be recovered within the next ten years accordingly to the Mexican Income Tax law as well as effects of the exchange of foreign currencies with a related and non-related parties.
[4] | Deferred tax related to derivative financial instruments and remeasurements of the net defined benefit liability.

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