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Presentation of Financial Statements and Summary of Significant Accounting Policies - Summary of Foreign Subsidiaries (Detail) | 12 Months Ended
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Dec. 31, 2018
Oxiteno Mexico S.A. de C.V. [member] |
Disclosure of foreign subsidiaries [line items] |
Functional currency | Mexican Peso
Location | Mexico
Oxiteno servicios corporativos S.A. de C.V.[member] |
Disclosure of foreign subsidiaries [line items] |
Functional currency | Mexican Peso
Location | Mexico
Oxiteno servicios industriales S.A. de C.V.[member] |
Disclosure of foreign subsidiaries [line items] |
Functional currency | Mexican Peso
Location | Mexico
Oxiteno USA LLC [member] |
Disclosure of foreign subsidiaries [line items] |
Functional currency | U.S. Dollar
Location | United States
Oxiteno Uruguay [member] |
Disclosure of foreign subsidiaries [line items] |
Functional currency | U.S. Dollar
Location | Uruguay
Oxiteno Andina [member] |
Disclosure of foreign subsidiaries [line items] |
Functional currency | Bolivar Soberano
Location | Venezuela

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- Definition The description of the currency of the primary economic environment in which the entity operates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2018-01-01 -Paragraph 53 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2018-03-01&anchor=para_53&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2018-01-01 -Paragraph 57 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2018-03-01&anchor=para_57_c&doctype=Standard -URIDate 2018-03-16 + Details
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