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Right-of-use assets and liability related to right-of-use of assets - Schedule of detailed information about right-of-use assets and lease liabilities (Detail) $ in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2021 MXN ($)
Disclosure Right of use Assets and Lease liabilities [Line Items] |  |  |  |
As of January 1 | $ 121,874,096 |  | $ 90,372,393 |
As of January 1 | 121,874,096 |  | 90,372,393 | $ 101,976,844
Additions and release | 15,355,610 |  | 48,996,728 | 4,680,419
Business combinations |  |  | 4,252,773 |
Modifications | 23,807,386 |  | 17,235,004 | 12,968,719
Depreciation | (31,839,050) |  | (28,984,861) | (25,525,305)
Disposals |  |  | (821,901) |
Transfers |  |  | (404,843) |
Translation adjustment | (15,629,722) |  | (8,771,197) | (3,728,284)
Balance at December 31 | 113,568,320 | $ 6,723 | 121,874,096 | 90,372,393
As of January 1 | 134,148,811 |  |  |
Interest expense | 10,648,584 |  | 8,903,397 | 7,129,251
Payments | (39,498,197) | $ (2,338) | (33,823,287) | (30,544,750)
Balance at December 31 | 125,169,156 |  | 134,148,811 |
Towers and sites [member] |  |  |  |
Disclosure Right of use Assets and Lease liabilities [Line Items] |  |  |  |
As of January 1 | 106,219,649 |  | 76,557,028 | 85,218,875
Additions and release | 14,744,304 |  | 42,958,221 | 3,145,941
Business combinations |  |  | 4,247,042 |
Modifications | 25,773,865 |  | 11,859,492 | 10,945,985
Depreciation | (26,763,563) |  | (22,858,868) | (19,849,598)
Disposals |  |  | (696,904) |
Transfers |  |  | (165,779) |
Translation adjustment | (13,391,742) |  | (5,680,583) | (2,904,175)
Balance at December 31 | 106,582,513 |  | 106,219,649 | 76,557,028
Property [member] |  |  |  |
Disclosure Right of use Assets and Lease liabilities [Line Items] |  |  |  |
As of January 1 | 9,222,438 |  | 9,936,705 | 12,205,435
Additions and release | 464,791 |  | 574,801 | 482,456
Business combinations |  |  | 318 |
Modifications | 1,430,795 |  | 3,584,607 | 1,024,573
Depreciation | (3,122,468) |  | (3,369,095) | (3,086,201)
Disposals |  |  | (88,303) |
Transfers |  |  | (126,763) |
Translation adjustment | (1,358,124) |  | (1,289,832) | (689,558)
Balance at December 31 | 6,637,432 |  | 9,222,438 | 9,936,705
Office equipment [member] |  |  |  |
Disclosure Right of use Assets and Lease liabilities [Line Items] |  |  |  |
As of January 1 | 6,432,009 |  | 3,878,660 | 4,552,534
Additions and release | 146,515 |  | 5,463,706 | 1,052,022
Business combinations |  |  | 5,413 |
Modifications | (3,397,274) |  | 1,790,905 | 998,161
Depreciation | (1,953,019) |  | (2,756,898) | (2,589,506)
Disposals |  |  | (36,694) |
Transfers |  |  | (112,301) |
Translation adjustment | (879,856) |  | (1,800,782) | (134,551)
Balance at December 31 | 348,375 |  | 6,432,009 | 3,878,660
Liability related to right-of-use of assets [member] |  |  |  |
Disclosure Right of use Assets and Lease liabilities [Line Items] |  |  |  |
As of January 1 | 134,148,811 |  | 98,654,225 | 109,327,241
Additions and release | 12,244,019 |  | 44,134,101 | 3,060,042
Business Combinations |  |  | 9,129,255 |
Modifications | 39,109,007 |  | 19,038,741 | 12,535,394
Interest expense | 10,648,584 |  | 8,903,397 | 7,129,251
Payments | (39,498,197) |  | (33,823,287) | (30,544,750)
Disposals |  |  | (1,044,480) |
Transfers |  |  | (438,571) |
Translation adjustment | (31,483,068) |  | (10,404,570) | (2,852,953)
Balance at December 31 | $ 125,169,156 |  | $ 134,148,811 | $ 98,654,225

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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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