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Valuation of derivatives interest cost from labor obligations and other financial items net - Schedule of Valuation of Derivatives and Other Financial Items (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 of detailed information about financial instruments [abstract] |  |  |  |  |
Loss in valuation of derivatives, net (Note 7) |  | $ (10,268,520) |  | $ (28,639,687) | $ (6,755,214)
Capitalized interest expense (Note 10 b) |  | 1,442,077 |  | 1,514,654 | 1,527,259
Commissions |  | (1,190,435) |  | (1,061,278) | (1,067,381)
Interest cost of labor obligations (Note 18) |  | (13,573,881) |  | (12,376,939) | (14,375,520)
Contractual earn-out from business combination (Note 4) |  | 2,206,671 |  | 4,271,250 |
Interest expense on taxes |  | (220,983) |  | (190,822) | (243,075)
Recognized dividend income (3) (Note 4) | [1] | 4,551,827 |  | 6,155,993 | 2,628,600
Contractual compensation from business combination |  | (647,013) |  |  |
Impairment to notes receivable from joint venture |  | (12,184,562) |  |  |
Impairment of joint venture |  | (4,677,782) |  |  |
Allowance of doubtful accounts | [2] | (1,051,288) |  |  |
Gain on net monetary positions |  | 9,321,480 | $ 552 | 11,538,061 | 4,876,842
Other financial cost | [3] | (522,259) |  | (327,451) | (835,028)
Total |  | $ (26,814,668) | $ (1,586) | $ (19,116,219) | $ (14,243,517)
[1] | Dividend received during 2021, 2022 and 2023 by Ps. 2,628,600, Ps, 5,426,370 and Ps. 4,590,313, respectively.
[2] | This figure is related to certain uncollectible balances.
[3] | Excludes discontinued operations of TracFone, Chile and Panama for the years ended 2021 and 2022. (See note 2ac)

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