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Note 8 - Fair Value Sesitivity Analysis Level 3 Liabilities (Details) - Financial Liabilities Held For Trading [Member] € in Millions | 12 Months Ended
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Dec. 31, 2018 EUR (€)
Results Member [Member] |
Disclosure Of Sensitivity Analysis Liabilities Line Items |
Increase In Fair Value Measurement Due To Change In One Or More Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions Liabilities | € 1
Decrease In Fair Value Measurement Due To Change In One Or More Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions Liabilities | (1)
Other Comprehensive Impact [Member] |
Disclosure Of Sensitivity Analysis Liabilities Line Items |
Increase In Fair Value Measurement Due To Change In One Or More Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions Liabilities | 1
Decrease In Fair Value Measurement Due To Change In One Or More Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions Liabilities | € (1)

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- Definition The amount of decrease in the fair value measurement of liabilities due to a change in one or more unobservable inputs to reflect reasonably possible alternative assumptions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2018-01-01 -Paragraph 93 -Subparagraph h -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_h_ii&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of increase in the fair value measurement of liabilities due to a change in one or more unobservable inputs to reflect reasonably possible alternative assumptions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2018-01-01 -Paragraph 93 -Subparagraph h -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_h_ii&doctype=Standard -URIDate 2018-03-16 + Details
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