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v3.21.1

Information by Segment - Summary of Segment Disclosure for Company's Consolidated Operations Narrative (Detail) $ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 MXN ($)
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total revenues | $ 9,231 | [1] | $ 183,615 | $ 194,471 | [2] | $ 182,342 |  |  |
Total assets | 13,225 | [3] |  | 257,839 | [4] |  | $ 263,066 |  | $ 263,787
Total liabilities | $ 7,069 | [3] |  | 128,154 | [4] |  | 140,609 |  | 132,037
Mexico and Central America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total assets |  |  |  | 147,374 |  |  | 165,887 |  | 147,748
Total liabilities |  |  |  | 95,694 |  |  | 113,727 |  | 96,525
South America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total assets |  |  |  | 110,465 |  |  | 97,179 |  | 116,039
Total liabilities |  |  |  | 32,460 |  |  | 26,882 |  | 35,512
Mexico | Mexico and Central America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total revenues |  |  | 87,833 | 91,358 |  | 84,352 |  |  |
Total assets |  |  |  | 130,045 |  |  | 148,068 |  | 130,865
Total liabilities |  |  |  | 91,427 |  |  | 109,086 |  | 92,340
Brazil | South America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total revenues |  |  | 56,191 | 61,554 |  | 56,523 |  |  |
Total assets |  |  |  | 82,667 |  |  | 70,376 |  | 86,007
Total liabilities |  |  |  | 24,103 |  |  | 19,148 |  | 26,851
Colombia | South America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total revenues |  |  | 12,049 | 13,522 |  | 14,580 |  |  |
Total assets |  |  |  | 16,518 |  |  | 15,993 |  | 17,626
Total liabilities |  |  |  | 4,154 |  |  | 3,262 |  | 4,061
Argentina | South America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total revenues |  |  | 5,468 | 6,725 |  | $ 9,152 |  |  |
Total assets |  |  |  | 5,341 |  |  | 5,039 |  | 6,021
Total liabilities |  |  |  | 1,637 |  |  | 1,842 |  | $ 2,059
Uruguay | South America Segment |  |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |  |
Total revenues |  |  | $ 3,124 | 3,421 |  |  |  |  |
Total assets |  |  |  | 5,939 |  |  | 5,771 | $ 6,385 |
Total liabilities |  |  |  | $ 2,566 |  |  | $ 2,630 | $ 2,541 |
[1] | Convenience translation to U.S. dollars ($) – See Note 2.2.3
[2] | The Company initially adopted IFRS 16 on January 1, 2019 using the modified retrospective approach under which the comparative information is not restated – See note 3.18
[3] | Convenience translation to U.S. dollars ($) – See Note 2.2.3
[4] | The Company initially adopted IFRS 16 on January 1, 2019 using the modified retrospective approach under which the comparative information is not restated. – See Note 3.18

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