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Financial Assets and Liabilities - Summary of Categorization of Financial Instruments, Excluding Cash and Cash Equivalents (Detail) - MXN ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financial Assets:
Financial Assets	$ 344,892,278	$ 451,228,622
Financial Liabilities:
Financial Liabilities	648,038,187	729,471,438
Loans and receivables [member]
Financial Assets:
Financial Assets	163,488,725	167,214,958
Loans and receivables [member] | Related parties [member]
Financial Assets:
Financial Assets	2,287,213	1,158,611
Fair value through profit or loss [member]
Financial Assets:
Financial Assets	2,602,680	10,130,806
Fair value through OCI [member]
Financial Assets:
Financial Assets	95,409,260	124,582,933
Equity investments at fair value through OCI and other short term investments [member]
Financial Assets:
Financial Assets	88,428,111	117,703,202
Equity investments at fair value through OCI and other short term investments [member] | Loans and receivables [member]
Financial Assets:
Financial Assets		15,026
Equity investments at fair value through OCI and other short term investments [member] | Fair value through OCI [member]
Financial Assets:
Financial Assets	88,428,111	117,688,176
Accounts receivable from subscribers distributors contractual assets and other net [member] | Loans and receivables [member]
Financial Assets:
Financial Assets	161,201,512	166,041,321
Financial instruments, class [member]
Financial Assets:
Financial Assets	2,602,680	10,130,806
Financial instruments, class [member] | Fair value through profit or loss [member]
Financial Assets:
Financial Assets	2,602,680	10,130,806
Liability Related to Right of Use of Assets [Member]
Financial Liabilities:
Financial Liabilities	134,148,811	98,654,225
Total Current Assets [Member] | Loans and receivables [member]
Financial Assets:
Financial Assets	163,488,725	167,214,958
Total Current Assets [Member] | Fair value through profit or loss [member]
Financial Assets:
Financial Assets	2,602,680	10,130,806
Total Current Assets [Member] | Fair value through OCI [member]
Financial Assets:
Financial Assets	88,428,111	117,688,176
Debt Instruments At Fair Value Through OCI [Member] | Fair value through OCI [member]
Financial Assets:
Financial Assets	6,981,149	6,894,757
Loans and receivables [member]
Financial Liabilities:
Financial Liabilities	826,435,278	873,388,890
Loans and receivables [member] | Related parties [member]
Financial Liabilities:
Financial Liabilities	7,224,218	4,216,882
Loans and receivables [member] | Debt [Member]
Financial Liabilities:
Financial Liabilities	510,589,480	564,030,102
Loans and receivables [member] | Accounts payable [Member]
Financial Liabilities:
Financial Liabilities	174,472,769	206,487,681
Loans and receivables [member] | Liability Related to Right of Use of Assets [Member]
Financial Liabilities:
Financial Liabilities	134,148,811	98,654,225
Fair value through profit or loss [Member]
Financial Liabilities:
Financial Liabilities	25,331,346	10,034,508
Fair value through profit or loss [Member] | Financial instruments, class [member]
Financial Liabilities:
Financial Liabilities	$ 25,331,346	$ 10,034,508

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The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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