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Other Current Assets and Other Current Financial Assets - Other Current Assets (Details) - MXN ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure Of Other Current Assets [abstract] |  |
Prepaid expenses | $ 3,115 | $ 2,424
Recoverable taxes |  | 5
Agreements with customers | 111 | 115
Licenses | 218 | 261
Assets classified as held for sale | 10 | 30
Other | 77 | 84
Other current assets | $ 3,531 | $ 2,919

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- Definition Agreement with customers. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Current recoverable taxes. + References No definition available. + Details
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- Definition Disclosure Of Other Current Assets [abstract] + References No definition available. + Details
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- Definition Licenses + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Other current assets other. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition The amount recognised as a current asset for expenditures made prior to the period when the economic benefit will be realised. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2021-01-01 -Paragraph 38 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2021-en-r&anchor=para_38&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 + Details
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