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Investments in Associates and Joint Ventures - Summary of Investments in Associates and Joint Ventures at an Aggregate Level (Detail) - ARS ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Investments in subsidiaries, joint ventures and associates [abstract] |  |  |  |
Amount of investments in associates | $ 911 | $ 1,478 | $ 1,248 |
Amount of investments in joint ventures | 5,146 | 4,022 | 3,135 |
Provision for impairment of investments in associates and joint ventures | (12) | (12) | (12) |
Total investments | 6,045 | 5,488 | 4,371 | $ 3,175
Disclosed in investments in associates and joint ventures | $ 6,045 | $ 5,488 | 4,372 |
Disclosed in Other liabilities |  |  | $ 1 |

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- Definition The amount of investments in associates. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_10&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of investments in joint ventures. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_10&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Disclosed in investments in associates and joint ventures. + References No definition available. + Details
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