v3.8.0.1

Earnings per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Earnings per share [Abstract] |  |  |
Profit/(loss) from continuing operations attributable to Atlantica Yield Plc. | $ (111,804) | $ (4,855) | $ (209,005)
Profit/(loss) from discontinuing operations attributable to Atlantica Yield Plc. | $ 0 | $ 0 | $ 0
Average number of ordinary shares outstanding (thousands) - basic and diluted (in shares) | 100,217 | 100,217 | 92,795
Earnings per share from continuing operations (US dollar per share) - basic and diluted (in dollars per share) | $ (1.12) | $ (0.05) | $ (2.25)
Earnings per share from discontinuing operations (US dollar per share) - basic and diluted (in dollars per share) | 0 | 0 | 0
Earnings per share from profit/ (loss) for the period (US dollar per share) - basic and diluted (in dollars per share) | $ (1.12) | $ (0.05) | $ (2.25)

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- Definition The amount of earnings per share when the basic and diluted measurements are equal. [Refer: Basic earnings (loss) per share; Diluted earnings (loss) per share] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_85&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition Basic and diluted earnings (loss) per share from continuing operations. [Refer: Basic and diluted earnings (loss) per share] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_85&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition Basic and diluted earnings (loss) per share from discontinued operations. [Refer: Basic and diluted earnings (loss) per share] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2016-01-13 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2016-03-30&anchor=para_85&doctype=Standard -URIDate 2016-03-31 + Details
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- References No definition available. + Details
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- Definition The profit (loss) from continuing operations attributable to ordinary equity holders of the parent equity. [Refer: Continuing operations [member]; Profit (loss) from continuing operations] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2016-01-13 -Paragraph 70 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2016-03-30&anchor=para_70_a&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition The profit (loss) from discontinued operations attributable to ordinary equity holders of the parent equity. [Refer: Profit (loss) from discontinued operations] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2016-01-13 -Paragraph 70 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2016-03-30&anchor=para_70_a&doctype=Standard -URIDate 2016-03-31 + Details
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2016-01-13 -Paragraph 70 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2016-03-30&anchor=para_70_b&doctype=Standard -URIDate 2016-03-31 + Details
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