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Business Combinations, Discontinued Operations, Sale of Other Disposal Groups and Selected Financial Information by Reportable Segment and Line of Business - Summary of Condensed Combined Information of the Statement of Operations of Discontinued Operations (Detail) - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Discontinued Operations [line items] |  |  |
Sales | $ 276,855 | $ 257,437 | $ 249,477
Other products (expenses), net | (1) | 14 | (3)
Earnings before income tax | 15,511 | 13,700 | 17,616
Net result of discontinued operations | 212 | 3,461 | 713
Discontinued Operations [member] |  |  |
Disclosure of Discontinued Operations [line items] |  |  |
Sales | 503 | 2,235 | 9,445
Discontinued Operations [member] | Croatia [Member] |  |  |
Disclosure of Discontinued Operations [line items] |  |  |
Sales | 503 | 2,235 | 9,445
Cost of sales and operating expenses | (495) | (2,257) | (8,983)
Other products (expenses), net | (1) | 14 | (3)
Financial expenses, net and others | (5) | 0 | (32)
Earnings before income tax | 2 | (8) | 427
Income tax | (6) | (1) | (102)
Result of discontinued operations | (4) | (9) | 325
Disposal result, withholding taxes and reclassification of currency translation effects | 216 | 3,470 | 388
Net result of discontinued operations | $ 212 | $ 3,461 | $ 713

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