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Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of Analysis Of Single Amount Of Discontinued Operations Table (Detail)
$ in Thousands, $ in Millions
 9 Months Ended 12 Months Ended
Oct. 06, 2022
MXN ($)
Dec. 31, 2022
MXN ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
MXN ($)
Dec. 31, 2020
MXN ($)
Revenue [abstract]          
Revenues services   $ 712,985,548 $ 36,725 $ 694,300,431 [1] $ 688,029,934 [1]
Sales of equipment   131,515,849 6,774 136,387,021 [1] 127,369,153 [1]
Operating revenues   844,501,397 43,499 830,687,452 [1] 815,399,087 [1]
Total costs and expenses   330,532,450 17,025 328,510,002 [1] 323,468,972 [1]
Operating income   170,870,752 8,802 167,556,250 [1] 148,812,807 [1]
Profit before income tax   134,269,499 6,916 104,807,649 [1] 52,617,349 [1]
Tax expense:          
Income taxes   46,044,089 2,372 32,717,477 [1] 13,178,171 [1]
Net profit for the year from discontinued operations   $ (6,719,015) $ (346) 124,235,942 [1] 11,587,779 [1]
Joint ventures [member] | Discontinued operations [member]          
Revenue [abstract]          
Revenues services $ 10,500,087     17,276,464 17,521,377
Sales of equipment 2,626,823     4,508,925 3,536,505
Operating revenues 13,126,910     21,785,389 21,057,882
Total costs and expenses 14,954,526     22,892,415 22,418,969
Operating income (1,827,616)     (1,107,026) (1,361,087)
Financial cost (685,129)     (533,899) (1,647,069)
Profit before income tax (2,512,745)     (1,640,925) (3,008,156)
Tax expense:          
Income taxes (1,805,500)     (4,578,004) 316,386
Net profit for the year from discontinued operations $ (707,245)     $ 2,937,079 $ (3,324,542)
[1] Restated for discontinued operations