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Information by Segment - Summary of Inter Segment Policies for Segment (Detail) $ in Millions, $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 MXN ($) | Jun. 30, 2019 USD ($) | [1],[2] | Jun. 30, 2018 MXN ($) | Jun. 30, 2019 USD ($) | [2],[6] | Dec. 31, 2018 MXN ($)
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | $ 244,371 | [1] | $ 12,722 | $ 226,939 | [3],[4] |  |
Gross profit |  | 90,792 | [1] | 4,727 | 83,287 | [3],[4] |  |
Administrative expenses |  | 9,519 | [1] | 496 | 8,513 | [3],[4] |  |
Selling expenses |  | 58,992 | [1] | 3,071 | 55,299 | [3],[4] |  |
Other income |  | 935 | [1] | 49 | 605 | [3],[4] |  |
Other expenses |  | 2,454 | [1] | 128 | 1,867 | [3],[4] |  |
Interest expense |  | 6,970 | [1] | 363 | 4,878 | [3],[4] |  |
Interest income |  | 1,528 |  |  | 1,254 |  |  |
Other net finance expenses (3) |  | (1,897) |  |  | 375 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 13,423 |  |  | 14,963 |  |  |
Income taxes |  | 4,109 | [1] | 214 | 4,821 | [3],[4] |  |
Share of the profit of equity accounted investees, net of tax |  | 3,052 | [1] | 159 | 2,999 | [3],[4] |  |
Net income from continuing operations |  | 12,366 | [1] | 644 | 13,141 | [3],[4] |  |
Net income from discontinued operations | [3],[4] |  |  |  | 166 |  |  |
Consolidated net income |  | 12,366 | [1] | $ 644 | 13,307 | [3],[4],[5] |  |
Depreciation and a amortization |  |  |  |  | 8,087 |  |  |
Non-cash items other than depreciation and amortization |  | 1,094 |  |  | 636 |  |  |
Investments in equity accounted investees |  | 94,855 | [6] |  | 94,315 |  | $ 4,938 | $ 94,315
Total assets |  | 632,013 | [6] |  | 576,381 |  | 32,902 | 576,381
Total liabilities |  | 300,291 | [6] |  | 240,839 |  | $ 15,633 | $ 240,839
Investments in fixed assets (4) |  | 10,220 |  |  | 24,266 |  |  |
Operating segments [member] | Coca-Cola FEMSA [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | 94,444 |  |  | 88,692 |  |  |
Gross profit |  | 43,095 |  |  | 41,073 |  |  |
Interest expense |  | 3,475 |  |  | 3,688 |  |  |
Interest income |  | 551 |  |  | 426 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 8,939 |  |  | 8,175 |  |  |
Income taxes |  | 2,519 |  |  | 2,499 |  |  |
Share of the profit of equity accounted investees, net of tax |  | (64) |  |  | (110) |  |  |
Depreciation and a amortization |  |  |  |  | 4,802 |  |  |
Non-cash items other than depreciation and amortization |  | 360 |  |  | 372 |  |  |
Investments in equity accounted investees |  | 10,618 |  |  | 10,518 |  |  |
Total assets |  | 259,728 |  |  | 263,787 |  |  |
Total liabilities |  | 130,538 |  |  | 132,037 |  |  |
Investments in fixed assets (4) |  | 3,961 |  |  | 11,069 |  |  |
Operating segments [member] | FEMSA comercio proximity division [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Gross profit |  | 34,636 |  |  | 29,569 |  |  |
Interest expense |  | 2,706 |  |  | 833 |  |  |
Interest income |  | 171 |  |  | 176 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 4,824 |  |  | 4,987 |  |  |
Income taxes |  | 40 |  |  | 139 |  |  |
Share of the profit of equity accounted investees, net of tax |  | (22) |  |  | (12) |  |  |
Depreciation and a amortization |  |  |  |  | 2,324 |  |  |
Non-cash items other than depreciation and amortization |  | 159 |  |  | 177 |  |  |
Investments in equity accounted investees |  | 252 |  |  | 84 |  |  |
Total assets |  | 109,392 |  |  | 75,146 |  |  |
Total liabilities |  | 90,709 |  |  | 56,468 |  |  |
Investments in fixed assets (4) |  | 4,505 |  |  | 9,441 |  |  |
Operating segments [member] | FEMSA Comercio Health Retail Division [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Gross profit |  | 8,202 |  |  | 7,789 |  |  |
Interest expense |  | 578 |  |  | 396 |  |  |
Interest income |  | 8 |  |  | 58 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 420 |  |  | 573 |  |  |
Income taxes |  | 65 |  |  | 363 |  |  |
Depreciation and a amortization |  |  |  |  | 494 |  |  |
Non-cash items other than depreciation and amortization |  | 9 |  |  | 9 |  |  |
Total assets |  | 53,694 |  |  | 35,881 |  |  |
Total liabilities |  | 40,948 |  |  | 23,357 |  |  |
Investments in fixed assets (4) |  | 595 |  |  | 1,162 |  |  |
Operating segments [member] | FEMSA Comercio Fuel Retail Division [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | 23,268 |  |  | 22,104 |  |  |
Gross profit |  | 2,324 |  |  | 1,803 |  |  |
Interest expense |  | 593 |  |  | 101 |  |  |
Interest income |  | 64 |  |  | 128 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 94 |  |  | 244 |  |  |
Income taxes |  | 33 |  |  | 73 |  |  |
Depreciation and a amortization |  |  |  |  | 71 |  |  |
Non-cash items other than depreciation and amortization |  | 72 |  |  | 6 |  |  |
Total assets |  | 16,092 |  |  | 7,015 |  |  |
Total liabilities |  | 15,154 |  |  | 6,142 |  |  |
Investments in fixed assets (4) |  | 244 |  |  | 520 |  |  |
Operating segments [member] | Heineken investment [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Interest income |  | 4 |  |  | 4 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 1 |  |  |  |  |  |
Income taxes |  | (493) |  |  | 1 |  |  |
Share of the profit of equity accounted investees, net of tax |  | 3,138 |  |  | 3,120 |  |  |
Investments in equity accounted investees |  | 83,724 |  |  | 83,461 |  |  |
Total assets |  | 85,674 |  |  | 86,340 |  |  |
Total liabilities |  | 3,297 |  |  | 4,054 |  |  |
Operating segments [member] | Other [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  |  |  |  | 20,443 |  |  |
Gross profit |  | 4,965 |  |  | 5,158 |  |  |
Interest expense |  | 1,188 |  |  | 1,051 |  |  |
Interest income |  | 2,253 |  |  | 1,653 |  |  |
Income before income taxes and share of the profit of equity accounted investees |  |  |  |  | 960 |  |  |
Income taxes |  | 1,945 |  |  | 1,746 |  |  |
Share of the profit of equity accounted investees, net of tax |  |  |  |  | 1 |  |  |
Depreciation and a amortization |  |  |  |  | 396 |  |  |
Non-cash items other than depreciation and amortization |  | 494 |  |  | 72 |  |  |
Investments in equity accounted investees |  | 261 |  |  | 252 |  |  |
Total assets |  | 158,582 |  |  | 150,674 |  |  |
Total liabilities |  | 70,887 |  |  | 61,340 |  |  |
Investments in fixed assets (4) |  | 998 |  |  | 2,391 |  |  |
Consolidation adjustments [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | (9,934) |  |  | (10,268) |  |  |
Gross profit |  | (2,430) |  |  | (2,105) |  |  |
Interest expense |  | (1,570) |  |  | (1,191) |  |  |
Interest income |  | (1,523) |  |  | (1,191) |  |  |
Income before income taxes and share of the profit of equity accounted investees |  | 180 |  |  | 24 |  |  |
Total assets |  | (51,149) |  |  | (42,462) |  |  |
Total liabilities |  | (51,242) |  |  | (42,559) |  |  |
Investments in fixed assets (4) |  | (83) |  |  | (317) |  |  |
Consolidation adjustments [member] | Coca-Cola FEMSA [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | 2,697 |  |  | 2,456 |  |  |
Consolidation adjustments [member] | FEMSA comercio proximity division [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | 157 |  |  | 117 |  |  |
Consolidation adjustments [member] | FEMSA Comercio Fuel Retail Division [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | 7 |  |  |  |  |  |
Consolidation adjustments [member] | Other [member] |  |  |  |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |  |  |  |
Total revenues |  | $ 7,073 |  |  | $ 7,695 |  |  |
[1] | The Company initially adopted IFRS 16 at January 1st, 2019 using the modified retrospectively effect method 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] | Revised to reflect the discontinued Philippines operations of Coca-Cola FEMSA - See Note 4.2.1
[4] | The information herein was not restated with the adjustment, which was not material, to reflect the financial information of its subsidiary in Argentina that operates in a hyperinflationary economic environment.
[5] | Revised to reflect the discontinued operations of Coca-Cola FEMSA Philippines- See Note 4.2.1
[6] | The Company initially adopted IFRS 16 at January 1st, 2019 using the modified retrospective method under which the comparative information is not restated. - See Note 2.4.1

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