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Leases - Schedule of lease liability (Detail) $ in Millions, $ in Millions | Jun. 30, 2019 MXN ($) | Jun. 30, 2019 USD ($) | [2] | Jan. 01, 2019 MXN ($)
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Disclosure Of Leases [Line items] |  |  |  |
Total undiscounted lease liabilities |  | $ 82,952 |  |
Lease liabilities included in the statement of financial position at June 30, |  | 51,345 |  | $ 50,220
Current | [1] | 5,919 | $ 308 |
Non-Current | [1] | 45,426 | $ 2,365 |
0-1 years [member] |  |  |  |
Disclosure Of Leases [Line items] |  |  |  |
Total undiscounted lease liabilities |  | 10,112 |  |
1-5 years [Member] |  |  |  |
Disclosure Of Leases [Line items] |  |  |  |
Total undiscounted lease liabilities |  | 39,119 |  |
Later than five years and not later than ten years [member] |  |  |  |
Disclosure Of Leases [Line items] |  |  |  |
Total undiscounted lease liabilities |  | 22,274 |  |
Later than 10 years [member] |  |  |  |
Disclosure Of Leases [Line items] |  |  |  |
Total undiscounted lease liabilities |  | $ 11,447 |  |
[1] | 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
[2] | Convenience translation to U.S. dollars ($) - See Note 2.2.3

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- Definition Disclosure Of Leases. + References No definition available. + Details
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- Definition The amount of current lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_47_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2018-01-01 -Paragraph 58 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_58&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2019-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph B11D -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_B11D_a&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_47_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of non-current lease liabilities. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2019-01-01 -Name IFRS -Number 16 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=16&date=2018-03-01&anchor=para_47_b&doctype=Standard -URIDate 2018-03-16 + Details
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