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Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of assets and liabilities deconsolidated on the date of the disposal (Detail) $ in Thousands, $ in Millions | Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2022 USD ($) | Jul. 01, 2022 MXN ($) | Dec. 31, 2021 MXN ($) | Nov. 23, 2021 MXN ($) | Dec. 31, 2020 MXN ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Current assets |  |  |  |  |  |  |  |
Cash | $ 26,597,773 | $ 1,574 | $ 33,700,949 | $ 1,995 |  | $ 38,679,891 |  | $ 35,917,907
Subscribers, distributors, recoverable taxes, contract assets and other, net | 206,802,150 | 12,242 | 199,424,202 |  |  |  |  |
Inventories, net | 19,271,625 | 1,141 | 23,995,133 |  |  |  |  |
Other current assets, net | 11,222,259 | 664 | 10,565,422 |  |  |  |  |
Total current assets | 340,166,988 | 20,136 | 361,003,710 |  |  |  |  |
Non-current assets: |  |  |  |  |  |  |  |
Property, plant and equipment | 628,650,904 | 37,213 | 657,226,210 |  |  | 731,196,679 |  | $ 722,929,631
Intangibles, net | 121,498,519 | 7,192 | 128,893,422 |  |  |  |  |
Goodwill | 146,078,897 | 8,647 | 141,121,365 |  |  | 136,578,194 |  |
Deferred income taxes | 137,883,622 | 8,162 | 128,717,811 |  |  |  |  |
Other assets, net | 37,643,712 | 2,228 | 39,581,622 |  |  |  |  |
Rights of use | 113,568,320 | 6,723 | 121,874,096 |  |  | 90,372,393 |  |
Total assets | 1,564,185,960 | 92,591 | 1,618,099,344 |  |  | 1,689,649,849 |  |
Non-current lease liabilities | 100,794,146 | 5,967 | 101,246,574 |  |  |  |  |
Current payables to related parties | 6,766,826 | 401 | 7,224,218 |  |  |  |  |
Short term liability related to rigth of use of assets | 24,375,010 | 1,443 | 32,902,237 |  |  |  |  |
Accounts payable | 162,097,416 | 9,595 | 174,472,769 |  |  |  |  |
Income tax | 29,516,162 | 1,747 | 29,174,066 |  |  |  |  |
Total liabilities | $ 1,142,483,578 | $ 67,629 | $ 1,180,270,071 |  |  | $ 1,235,608,123 |  |
Discontinued operations [member] | Tracfone Wireless Inc Tracfone [member] |  |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  |  |
Cash |  |  |  |  |  |  | $ 338,439 |
Subscribers, distributors, recoverable taxes, contract assets and other, net |  |  |  |  |  |  | 12,368,407 |
Inventories, net |  |  |  |  |  |  | 9,604,658 |
Other current assets, net |  |  |  |  |  |  | 389,052 |
Total current assets |  |  |  |  |  |  | 22,700,556 |
Non-current assets: |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  | 1,989,498 |
Intangibles, net |  |  |  |  |  |  | 555,012 |
Goodwill |  |  |  |  |  |  | 2,695,557 |
Deferred income taxes |  |  |  |  |  |  | 1,094,756 |
Other assets, net |  |  |  |  |  |  | 327,546 |
Rights of use |  |  |  |  |  |  | 1,625 |
Total assets |  |  |  |  |  |  | 29,364,550 |
Short term liability related to rigth of use of assets |  |  |  |  |  |  | 1,625 |
Accounts payable |  |  |  |  |  |  | 17,446,513 |
Income tax |  |  |  |  |  |  | 3,267,585 |
Deferred revenue |  |  |  |  |  |  | 13,187,667 |
Total liabilities |  |  |  |  |  |  | 33,903,390 |
Net assets directly associated with disposal group |  |  |  |  |  |  | $ (4,538,840) |
Discontinued operations [member] | Claro Panama [Member] |  |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  |  |
Cash |  |  |  |  | $ 24,202 |  |  |
Subscribers, distributors, recoverable taxes, contract assets and other, net |  |  |  |  | 666,114 |  |  |
Inventories, net |  |  |  |  | 169,851 |  |  |
Other current assets, net |  |  |  |  | 4,457 |  |  |
Total current assets |  |  |  |  | 864,624 |  |  |
Non-current assets: |  |  |  |  |  |  |  |
Property, plant and equipment |  |  |  |  | 1,102,062 |  |  |
Intangibles, net |  |  |  |  | 1,810,964 |  |  |
Deferred income taxes |  |  |  |  | 126,904 |  |  |
Other assets, net |  |  |  |  | 12,291 |  |  |
Rights of use |  |  |  |  | 975,019 |  |  |
Total assets |  |  |  |  | 4,807,328 |  |  |
Trade and other noncurrent receivables |  |  |  |  | 42,368 |  |  |
Non-current lease liabilities |  |  |  |  | 855,969 |  |  |
DeferredIncomeClassifiedNonCurrent |  |  |  |  | 129,062 |  |  |
Current payables to related parties |  |  |  |  | 1,159 |  |  |
Short term liability related to rigth of use of assets |  |  |  |  | 198,289 |  |  |
Accounts payable |  |  |  |  | 576,522 |  |  |
Income tax |  |  |  |  | 24,981 |  |  |
Total liabilities |  |  |  |  | 1,912,886 |  |  |
Net assets directly associated with disposal group |  |  |  |  | $ 2,894,442 |  |  |

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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. 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 2023-01-01 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_j&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph k -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_k&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of current payables due to related parties. [Refer: Related parties [member]; Payables to related parties] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph h -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_h&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_b&doctype=Standard -URIDate 2023-03-23 + Details
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