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Improvements to Concession Assets - Summary of the Net Amounts of Improvements to Concession Assets (Detail) - MXN ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure Of Service Concession Arrangements [Abstract] |  |  |
Improvements to concession assets | $ 11,079,211 | $ 11,281,378 | $ 8,600,742
Construction in-progress | 2,684,629 | 782,005 | 2,382,118
Total amounts | $ 13,763,840 | $ 12,063,383 | $ 10,982,860

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- Definition The amount of expenditure capitalised during the construction of non-current assets that are not yet available for use. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 37 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_37&doctype=Standard -URIDate 2020-01-01 + Details
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- References No definition available. + Details
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- Definition Improvements to concession assets. + References No definition available. + Details
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- Definition Improvements to concession assets net. + References No definition available. + Details
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