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v3.19.1

Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net Under Capital Leases (Detail) $ in Thousands, $ in Millions | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2016 MXN ($) | Dec. 31, 2015 MXN ($)
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Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment | $ 640,000,720 | $ 32,516 | $ 676,343,198 | $ 701,190,066 | $ 573,528,878
Cost [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment | 1,285,672,457 |  | 1,303,278,914 | 1,256,341,372 | 861,840,855
Accumulated depreciation [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment | (645,671,737) |  | (626,935,716) | $ (555,151,306) | $ (288,311,977)
Property, plant and equipment under capital leases [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment | 4,240,440 |  | 4,641,518 |  |
Property, plant and equipment under capital leases [member] | Cost [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment | 7,770,681 |  | 8,116,532 |  |
Property, plant and equipment under capital leases [member] | Accumulated depreciation [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment | $ 3,530,241 |  | $ 3,475,014 |  |

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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_a&doctype=Standard -URIDate 2018-03-16 + Details
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