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Balances and Transactions in Foreign Currencies - Summary of Balances and Transactions in Foreign Currencies (Detail) $ in Millions, $ in Millions | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 MXN ($)
--- | --- | --- | ---
Disclosure of Balances and Transactions in Foreign Currencies [line items] |  |  |
Current assets | $ 57,490 | $ 2,928 | $ 55,657
Noncurrent assets | 206,297 | 10,508 | 230,020
Current liabilities | 45,524 | 2,321 | 55,594
Noncurrent liabilities | 86,513 | $ 4,405 | 89,373
U.S. dollars [member] |  |  |
Disclosure of Balances and Transactions in Foreign Currencies [line items] |  |  |
Current assets | 14,572 |  | 5,852
Noncurrent assets | 0 |  | 0
Current liabilities | 2,985 |  | 2,783
Noncurrent liabilities | 43,411 |  | 53,093
Euros [member] |  |  |
Disclosure of Balances and Transactions in Foreign Currencies [line items] |  |  |
Noncurrent assets | 0 |  | 0
Current liabilities | $ 93 |  | $ 1,547

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- Definition The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_i&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_66&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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