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Bank Loans and Notes Payable - Summary of Liabilities Arising from Financing Activities (Detail) - MXN ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | $ 131,348 | $ 139,248
Cash Flows | (1,027) | (4,531)
Non-cash flows, Acquisition | 1,147 |
Non-cash flows, Foreign Exchange movement | (362) | 5,144
Non-cash flows, Others | (2,442) | (8,513)
Ending balance | 128,664 | 131,348
Bank loans [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | 13,669 | 14,497
Cash Flows | 8,313 | (949)
Non-cash flows, Acquisition | 1,147 |
Non-cash flows, Foreign Exchange movement | 417 | 190
Non-cash flows, Others | (602) | (69)
Ending balance | 22,944 | 13,669
Notes payable [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | 117,551 | 123,859
Cash Flows | (9,314) | (3,574)
Non-cash flows, Foreign Exchange movement | (769) | 4,954
Non-cash flows, Others | (1,840) | (7,688)
Ending balance | 105,628 | 117,551
Lease liabilities [member] |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | 128 | 892
Cash Flows | (26) | (8)
Non-cash flows, Foreign Exchange movement | (10) |
Non-cash flows, Others |  | (756)
Ending balance | $ 92 | $ 128

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_25&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B_c&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from obtaining or losing control of subsidiaries or other businesses. [Refer: Liabilities arising from financing activities; Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Section A Statement of cash flows for an entity other than a financial institution -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=sect_AStatementofcashflowsforanentityotherthanafinancialinstitution&doctype=Illustrative%20Examples -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2018-01-01 -Paragraph 44B -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_44B&doctype=Standard -URIDate 2018-03-16 + Details
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