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Note 12 - Available for sale Financial Assets - Accumulated other comprehensive income items that may be reclassified to profit or loss available for sale financial assets (Details) - EUR (€) € / shares in Units, € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Available for sale Financial Assets |  |  |
Debt Securities Available For Sale Accumulated Comprehensive Incomer | € 4 | € 157 | € 1
Equity Instumentess Available For Sale Accumulated Comprehensive Incomer | 1,123 |  |
Impairment Available For Sale Financial Assets Line Items |  |  |
Available-for-sale financial assets balance at the Beginning | 947 | 1,674 | 3,816
Changes In Accumulated Other Comprehensive Income Available For Sale Abstract |  |  |
Available for sale financial assests, Valuation gains or losses taken to equity | 321 | 400 | (1,222)
Income tax, avalilable for sale financial assets | 27 | (62) | 924
Available for sale financial assests, Transferred to profit or loss | 356 | (1,181) | (1,844)
Other reclasifications, Financial Assets Available for Sale | (10) | 116 | 0
Available-for-sale financial assets balance at the End | 1,641 | 947 | 1,674
Available-for-sale financial assets, impairment or reversal of impairment | € (1,127) | (202) | (23)
Percentage of unrealized losses recognized under the heading Accumulated other comprehensive income Items that may be reclassified to profit or loss Available for sale financial assets and originating in debt securities that were generated over more than twelve months | 94.7% |  |
Percentage of participation in Telefonica, S.A. in terms of the total portfolio of equity instruments classified as available for sale financial assets | 70% |  |
Price per share Telefonica, S.A. | € 8.125 |  |
Debt Securities [Member] |  |  |
Impairment Available For Sale Financial Assets Line Items |  |  |
Available-for-sale financial assets balance at the Beginning | € 1,629 | 1,769 |
Changes In Accumulated Other Comprehensive Income Available For Sale Abstract |  |  |
Available-for-sale financial assets balance at the End | 1,557 | 1,629 | 1,769
Equity instruments [Member] |  |  |
Impairment Available For Sale Financial Assets Line Items |  |  |
Available-for-sale financial assets balance at the Beginning | (682) | (95) |
Changes In Accumulated Other Comprehensive Income Available For Sale Abstract |  |  |
Available-for-sale financial assets balance at the End | € 84 | € (682) | € (95)

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- Definition The amount of other comprehensive income associated to debt securities available for sale held by the Entity that has been transferred to profit and loss during the exercise. + References No definition available. + Details
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- Definition The amount of comprehensive income associated to available for sale instruments transferred to equity. + References No definition available. + Details
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- Definition The total amount of other comprehensive income associated to instruments available for sale held by the Entity. + References No definition available. + Details
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- Definition The amount of other comprehensive income associated to debt securities available for sale held by the Entity that has been reclassified due to ther reasong during the exercise. + References No definition available. + Details
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- Definition The Percentage of participation in telefonica, S.A. in terms of the total portfolio of equity instruments classified as available for sale financial assets. + References No definition available. + Details
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- Definition The Percentage of unrealized losses recognized under the heading accumulated other comprehensive income items that may be reclassified to profit or loss that wer egenerated over more than twelve months. + References No definition available. + Details
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