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Taxes - Tax Loss Carryforwards Rollforward (Details) - MXN ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Taxes [Abstract] |  |  |
Tax loss carryforwards, beginning | $ 42,813,000,000 | $ 31,323,000,000 |
Derecognized | (8,874,000,000) | (932,000,000) |
Increase | 6,115,000,000 | 21,018,000,000 |
Usage of tax losses | (10,747,000,000) | (7,281,000,000) |
Translation effect of beginning balances | 1,985,000,000 | (1,315,000,000) |
Tax loss carryforwards, ending | 31,292,000,000 | 42,813,000,000 | $ 31,323,000,000
Taxes withheld on payment of dividends | 0 | 0 | 0
Temporary differences for which tax liability not recognized | 31,261,000,000 | 19,307,000,000 | 48,427,000,000
Increase (decrease) through loss of control of subsidiary, deferred tax liability (asset) | $ 1,472,000,000 | $ 0 | $ 0

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- Definition Deferred tax assets operating loss carry forwards foreign currency translation. + References No definition available. + Details
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- Definition The amount of tax loss carryforwards derecognized during the period. + References No definition available. + Details
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- Definition The amount of taxes withheld on dividends paid to shareholders during the period. + References No definition available. + Details
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- Definition The decrease in deferred tax liability (asset) resulting from the loss of control of a subsidiary. [Refer: Deferred tax liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Total for all associates [member]; Total for all subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries reported in separate financial statements] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_f&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_e&doctype=Standard -URIDate 2024-03-27 + Details
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