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Note 15 - Investments in subsidiaries, joint ventures and associates - Associates Entities and joint ventures - Breakdown by entities (Details) - EUR (€) € in Millions | Jun. 30, 2018 | Dec. 31, 2017
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Investments in subsidiaries, joint ventures and associates |  |
Joint ventures | € 228 | € 256
Associates | 1,242 | 1,332
INVESTMENTS IN SUBSIDIARIES JOINT VENTURES AND ASSOCIATES | € 1,470 | € 1,588

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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 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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