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Right-of-use assets and lease debt - Additional Information (Detail) $ in Thousands, $ in Millions | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 USD ($) | Jan. 01, 2019 MXN ($) | Dec. 31, 2018 MXN ($)
--- | --- | --- | --- | ---
Statement [line items] |  |  |  |
Right of use assets | $ 118,003,223 | $ 6,262 |  | $ 0
Lease liabilities | 120,596,733 |  | $ 119,387,660 |
Related Party [Member] |  |  |  |
Statement [line items] |  |  |  |
Right of use assets | 22,878,245 |  |  |
Lease liabilities | $ 23,805,275 |  |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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 -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_47_b&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_j&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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