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Segments - Summary of Operating Segments (Detail) - MXN ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | $ 615,300,254 | $ 628,539,367 |  |
Total revenues |  | 615,300,254 | 628,539,367 | [1] |
Depreciation and amortization |  | 115,327,084 | 118,564,551 | [1] |
Operating income |  | 125,975,990 | 126,185,361 |  |
Interest income |  | 6,644,562 | 3,112,308 | [1] |
Interest expense |  | 32,294,735 | 30,940,340 | [1] |
Income tax |  | 29,112,504 | 35,657,332 | [1] |
Equity interest in net income (loss) of associated companies |  | (3,731,486) | 48,014 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  | 58,048,606 | 59,778,075 | [1] |
Net profit attributable to equity holders of the parent discontinued operations |  | 0 | 2,671,630 | [1] |
Net profit (loss) attributable to equity holders of the parent |  | 58,048,606 | 62,449,705 |  |
Assets by segment |  | 1,592,142,075 | 1,630,303,568 |  | $ 1,618,099,344
Plant, property and equipment, net |  | 605,775,298 | 624,738,341 |  |
Revalued of assets |  | 27,812,945 | 39,658,170 |  |
Goodwill |  | 146,593,836 | 143,330,328 |  | 141,121,365
Trademarks, net |  | 2,732,409 | 2,924,187 |  |
Licenses and rights, net |  | 100,482,069 | 112,920,618 |  |
Investments in associated companies |  | 16,010,740 | 3,142,178 |  |
Liabilities by segments |  | 1,167,597,954 | 1,198,747,154 |  | $ 1,180,270,071
Operating segments [member] | Mexico [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 183,326,820 | 173,172,999 |  |
Intersegment revenues |  | 7,282,073 | 6,693,842 |  |
Total revenues |  | 190,608,893 | 179,866,841 |  |
Depreciation and amortization |  | 19,854,926 | 19,630,572 |  |
Operating income |  | 62,193,205 | 56,239,177 |  |
Interest income |  | 19,632,757 | 13,450,786 |  |
Interest expense |  | 20,369,944 | 18,595,453 |  |
Income tax |  | 22,039,911 | 21,757,834 |  |
Equity interest in net income (loss) of associated companies |  | (3,797,172) | 34,540 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | 53,728,501 |  |
Net profit (loss) attributable to equity holders of the parent |  | 28,946,397 | 53,728,501 |  |
Assets by segment |  | 1,030,522,792 | 1,050,721,746 |  |
Plant, property and equipment, net |  | 46,104,250 | 49,659,959 |  |
Goodwill |  | 26,450,092 | 23,296,674 |  |
Trademarks, net |  | 109,232 | 106,771 |  |
Licenses and rights, net |  | 10,751,301 | 10,870,850 |  |
Investments in associated companies |  | 21,458,537 | 3,750,083 |  |
Liabilities by segments |  | 651,378,535 | 633,866,917 |  |
Operating segments [member] | Telmex [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 63,385,410 | 59,941,741 |  |
Intersegment revenues |  | 12,447,157 | 12,078,536 |  |
Total revenues |  | 75,832,567 | 72,020,277 |  |
Depreciation and amortization |  | 10,661,824 | 9,815,473 |  |
Operating income |  | 9,478,594 | 9,804,633 |  |
Interest income |  | 1,090,456 | 555,563 |  |
Interest expense |  | 5,442,770 | 2,043,815 |  |
Income tax |  | (145,184) | 1,730,732 |  |
Equity interest in net income (loss) of associated companies |  | 28,384 | 22,459 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | (1,981,977) |  |
Net profit (loss) attributable to equity holders of the parent |  | (4,035,727) | (1,981,977) |  |
Assets by segment |  | 237,903,064 | 208,717,113 |  |
Plant, property and equipment, net |  | 145,781,937 | 128,057,776 |  |
Goodwill |  | 215,381 | 215,381 |  |
Trademarks, net |  | 95,212 | 126,442 |  |
Licenses and rights, net |  | 98,630 | 112,302 |  |
Investments in associated companies |  | 574,192 | 544,058 |  |
Liabilities by segments |  | 230,678,142 | 190,971,198 |  |
Operating segments [member] | Brazil [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 120,643,031 | 123,960,091 |  |
Intersegment revenues |  | 3,342,344 | 2,517,238 |  |
Total revenues |  | 123,985,375 | 126,477,329 |  |
Depreciation and amortization |  | 32,948,124 | 32,355,992 |  |
Operating income |  | 18,413,105 | 18,586,084 |  |
Interest income |  | 3,318,180 | 1,713,993 |  |
Interest expense |  | 19,273,742 | 17,643,103 |  |
Income tax |  | 654,368 | (107,876) |  |
Equity interest in net income (loss) of associated companies |  | 24,249 | 10,642 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | 4,110,728 |  |
Net profit (loss) attributable to equity holders of the parent |  | 4,346,285 | 4,110,728 |  |
Assets by segment |  | 388,792,356 | 401,470,870 |  |
Plant, property and equipment, net |  | 152,498,377 | 156,556,259 |  |
Revalued of assets |  |  | 0 |  |
Goodwill |  | 29,800,253 | 31,068,497 |  |
Trademarks, net |  | 1,221 |  |  |
Licenses and rights, net |  | 33,300,938 | 37,967,828 |  |
Investments in associated companies |  | 49,427 | 86,784 |  |
Liabilities by segments |  | 322,742,258 | 294,931,188 |  |
Operating segments [member] | Southern Cone [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues | [2] | 25,589,086 | 31,364,649 |  |
Intersegment revenues | [2] | 37,453 | (76,302) |  |
Total revenues | [2] | 25,626,539 | 31,288,347 |  |
Depreciation and amortization | [2] | 7,138,235 | 7,573,737 |  |
Operating income | [2] | 836,693 | 2,662,681 |  |
Interest income | [2] | 486,484 | 612,437 |  |
Interest expense | [2] | 1,474,895 | 2,199,390 |  |
Income tax | [2] | (2,325,567) | 1,532,415 |  |
Equity interest in net income (loss) of associated companies | [2] | (2,815) | (528) |  |
Net profit (loss) attributable to equity holders of the parent continues operations | [2] |  | 848,256 |  |
Net profit (loss) attributable to equity holders of the parent | [2] | (143,764) | 848,256 |  |
Assets by segment | [2] | 81,116,527 | 133,019,538 |  |
Plant, property and equipment, net | [2] | 39,540,047 | 62,710,762 |  |
Revalued of assets | [2] |  | 0 |  |
Goodwill | [2] | 201,265 | 2,295,155 |  |
Licenses and rights, net | [2] | 12,018,537 | 15,372,115 |  |
Investments in associated companies | [2] | (12,872) | (22,937) |  |
Liabilities by segments | [2] | 46,077,687 | 73,669,413 |  |
Operating segments [member] | Colombia [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 45,573,769 | 55,577,412 |  |
Intersegment revenues |  | 246,029 | 284,947 |  |
Total revenues |  | 45,819,798 | 55,862,359 |  |
Depreciation and amortization |  | 9,687,040 | 10,016,934 |  |
Operating income |  | 7,317,594 | 11,232,978 |  |
Interest income |  | 645,925 | 504,971 |  |
Interest expense |  | 2,489,576 | 1,969,055 |  |
Income tax |  | 835,905 | 2,250,229 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | 5,057,140 |  |
Net profit (loss) attributable to equity holders of the parent |  | 3,180,166 | 5,057,140 |  |
Assets by segment |  | 114,451,892 | 105,867,593 |  |
Plant, property and equipment, net |  | 49,660,991 | 46,760,727 |  |
Revalued of assets |  | 7,990,278 | 8,647,734 |  |
Goodwill |  | 9,134,535 | 12,742,478 |  |
Licenses and rights, net |  | 8,156,321 | 9,134,619 |  |
Liabilities by segments |  | 58,557,943 | 55,487,418 |  |
Operating segments [member] | Andean [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 40,784,677 | 40,900,522 |  |
Intersegment revenues |  | 50,594 | 56,598 |  |
Total revenues |  | 40,835,271 | 40,957,120 |  |
Depreciation and amortization |  | 7,705,756 | 7,973,246 |  |
Operating income |  | 8,582,308 | 5,750,496 |  |
Interest income |  | 1,620,722 | 633,511 |  |
Interest expense |  | 1,222,209 | 702,871 |  |
Income tax |  | 3,330,258 | 1,775,276 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | 4,290,589 |  |
Net profit (loss) attributable to equity holders of the parent |  | 6,476,390 | 4,290,589 |  |
Assets by segment |  | 92,960,971 | 83,344,448 |  |
Plant, property and equipment, net |  | 29,654,941 | 32,923,637 |  |
Revalued of assets |  |  | 6,691,780 |  |
Goodwill |  | 4,620,773 | 4,680,898 |  |
Trademarks, net |  | 570 |  |  |
Licenses and rights, net |  | 3,339,628 | 4,593,871 |  |
Liabilities by segments |  | 40,753,768 | 35,050,731 |  |
Operating segments [member] | Central America [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues | [3] | 32,815,550 | 35,271,222 |  |
Intersegment revenues | [3] | 73,754 | 131,015 |  |
Total revenues | [3] | 32,889,304 | 35,402,237 |  |
Depreciation and amortization | [3] | 7,774,150 | 8,217,529 |  |
Operating income | [3] | 4,826,064 | 6,760,634 |  |
Interest income | [3] | 466,514 | 274,680 |  |
Interest expense | [3] | 933,496 | 811,202 |  |
Income tax | [3] | 1,314,679 | 1,808,111 |  |
Equity interest in net income (loss) of associated companies | [3] | (645) |  |  |
Net profit (loss) attributable to equity holders of the parent continues operations | [3] |  | 4,283,706 |  |
Net profit (loss) attributable to equity holders of the parent | [3] | 3,191,646 | 4,283,706 |  |
Assets by segment | [3] | 90,174,355 | 85,906,325 |  |
Plant, property and equipment, net | [3] | 40,204,241 | 38,481,018 |  |
Revalued of assets | [3] |  | 0 |  |
Goodwill | [3] | 6,290,086 | 6,323,205 |  |
Licenses and rights, net | [3] | 4,967,979 | 3,803,556 |  |
Investments in associated companies | [3] | 21,139 | 24,894 |  |
Liabilities by segments | [3] | 34,556,739 | 31,004,610 |  |
Operating segments [member] | Caribbean [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 28,317,264 | 29,352,658 |  |
Intersegment revenues |  | 899,205 | 1,465,986 |  |
Total revenues |  | 29,216,469 | 30,818,644 |  |
Depreciation and amortization |  | 5,272,622 | 5,357,477 |  |
Operating income |  | 6,309,274 | 6,657,361 |  |
Interest income |  | 1,147,198 | 406,424 |  |
Interest expense |  | 1,229,509 | 754,293 |  |
Income tax |  | 1,535,248 | 2,279,688 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | 3,727,793 |  |
Net profit (loss) attributable to equity holders of the parent |  | 4,365,631 | 3,727,793 |  |
Assets by segment |  | 103,282,962 | 102,864,039 |  |
Plant, property and equipment, net |  | 36,373,908 | 42,377,462 |  |
Revalued of assets |  |  | 1,592,140 |  |
Goodwill |  | 14,186,723 | 14,186,723 |  |
Trademarks, net |  | 199,664 | 241,987 |  |
Licenses and rights, net |  | 9,112,039 | 10,773,291 |  |
Liabilities by segments |  | 49,060,210 | 53,039,683 |  |
Operating segments [member] | Europe [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
External revenues |  | 74,864,647 | 78,998,073 |  |
Total revenues |  | 74,864,647 | 78,998,073 |  |
Depreciation and amortization |  | 15,611,301 | 17,256,032 |  |
Operating income |  | 12,140,762 | 12,976,982 |  |
Interest income |  | 307,387 | 156,211 |  |
Interest expense |  | 1,432,444 | 979,499 |  |
Income tax |  | 2,300,165 | 2,573,925 |  |
Equity interest in net income (loss) of associated companies |  | 16,513 | (19,099) |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | 9,529,969 |  |
Net profit (loss) attributable to equity holders of the parent |  | 8,535,407 | 9,529,969 |  |
Assets by segment |  | 147,490,187 | 149,230,066 |  |
Plant, property and equipment, net |  | 67,032,522 | 68,193,484 |  |
Revalued of assets |  | 19,822,667 | 22,726,516 |  |
Goodwill |  | 55,694,728 | 48,521,317 |  |
Trademarks, net |  | 2,326,510 | 2,448,987 |  |
Licenses and rights, net |  | 18,736,696 | 20,292,186 |  |
Investments in associated companies |  | 18,463 | 21,536 |  |
Liabilities by segments |  | 92,192,262 | 95,495,024 |  |
Eliminations [member] |  |  |  |  |
Disclosure of Operating Segments [Line Items] |  |  |  |  |
Intersegment revenues |  | (24,378,609) | (23,151,860) |  |
Total revenues |  | (24,378,609) | (23,151,860) |  |
Depreciation and amortization |  | (1,326,894) | (367,559) |  |
Operating income |  | (4,121,609) | (4,485,665) |  |
Interest income |  | (22,071,061) | (15,196,268) |  |
Interest expense |  | (21,573,850) | (14,758,341) |  |
Income tax |  | (427,279) | 56,998 |  |
Net profit (loss) attributable to equity holders of the parent continues operations |  |  | (23,816,630) |  |
Net profit (loss) attributable to equity holders of the parent |  | 3,186,175 | (23,816,630) |  |
Assets by segment |  | (694,553,031) | (690,838,170) |  |
Plant, property and equipment, net |  | (1,075,916) | (982,743) |  |
Investments in associated companies |  | (6,098,146) | (1,262,240) |  |
Liabilities by segments |  | $ (358,399,590) | $ (264,769,028) |  |
[1] | Restated for discontinued operations.
[2] | Restated for discontinued operations for the nine-month period ended September 30, 2022 ClaroVTR.
[3] | Restated for discontinued operations for the nine-month period ended September 30, 2022 (Panama disposal).

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