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Note 7 - Risk Management - Impairment Losses Reconciliations II (Details) - EUR (€) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Recovery of written-off assets |  | € (919,000,000) | € (589,000,000) | € (558,000,000)
Expected Credit Losses Individually and Collective Assessed [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (8,703,000,000) | (10,937,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [1] |  |  | (7,484,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [1] |  |  | 2,878,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [1] |  |  | 4,503,000,000
Transfers Between Allowances | [1] |  |  | 1,810,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [1] |  |  | 526,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (8,703,000,000)
Recovery of written-off assets | [2] |  |  | 558,000,000
Expected Credit Losses Individually and Collective Assessed [Member] | Debt Securities [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (28,000,000) | (144,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | (26,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 6,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Transfers Between Allowances | [3] |  |  | 123,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 13,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (28,000,000)
Recovery of written-off assets | [4] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Debt Securities [Member] | Central Banks [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | 0 | 0
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Reversal Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Utilisation Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Transfers Between Allowances | [3] |  |  | 0
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | 0
Recovery of written-off assets | [4] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Debt Securities [Member] | General Government [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | 0 | 0
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Reversal Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Utilisation Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Transfers Between Allowances | [3] |  |  | 0
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | 0
Recovery of written-off assets | [4] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Debt Securities [Member] | Credit Institutions [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | 0 | (15,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | (5,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 4,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Transfers Between Allowances | [3] |  |  | 16,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | 0
Recovery of written-off assets | [4] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Debt Securities [Member] | Other Financial Institutions [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (16,000,000) | (26,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | (4,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 2,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Transfers Between Allowances | [3] |  |  | 0
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 13,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (16,000,000)
Recovery of written-off assets | [4] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Debt Securities [Member] | Corporate Entities [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (12,000,000) | (103,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | (17,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Utilisation Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Transfers Between Allowances | [3] |  |  | 107,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [3] |  |  | 0
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (12,000,000)
Recovery of written-off assets | [4] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (8,675,000,000) | (10,793,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (7,458,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 2,872,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 4,503,000,000
Transfers Between Allowances | [5] |  |  | 1,687,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 513,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (8,675,000,000)
Recovery of written-off assets | [6] |  |  | 558,000,000
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] | Central Banks [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | 0 | 0
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 0
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 0
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 0
Transfers Between Allowances | [5] |  |  | 0
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 0
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | 0
Recovery of written-off assets | [6] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] | General Government [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (42,000,000) | (39,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (70,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 37,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 14,000,000
Transfers Between Allowances | [5] |  |  | 1,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 15,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (42,000,000)
Recovery of written-off assets | [6] |  |  | 1,000,000
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] | Credit Institutions [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (6,000,000) | (7,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (2,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 2,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 0
Transfers Between Allowances | [5] |  |  | 0
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 1,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (6,000,000)
Recovery of written-off assets | [6] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] | Other Financial Institutions [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (7,000,000) | (25,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (287,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 3,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 38,000,000
Transfers Between Allowances | [5] |  |  | 227,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 38,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (7,000,000)
Recovery of written-off assets | [6] |  |  | 0
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] | Corporate Entities [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (5,599,000,000) | (7,402,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (3,627,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 1,993,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 3,029,000,000
Transfers Between Allowances | [5] |  |  | (228,000,000)
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 636,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (5,599,000,000)
Recovery of written-off assets | [6] |  |  | 345,000,000
Expected Credit Losses Individually and Collective Assessed [Member] | Loans and receivables [Member] | Households [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (3,022,000,000) | (3,319,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (3,472,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 837,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | 1,422,000,000
Transfers Between Allowances | [5] |  |  | 1,687,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [5] |  |  | (177,000,000)
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (3,022,000,000)
Recovery of written-off assets | [6] |  |  | 212,000,000
Collective Allowance Incurred But Not Recognized [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (4,130,000,000) | (5,270,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (4,130,000,000)
Collective Allowance Incurred But Not Recognized [Member] | Debt Securities [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | (21,000,000) | (46,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [7] |  |  | (8,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [7] |  |  | 30,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [7] |  |  | 1,000,000
Transfers Between Allowances | [7] |  |  | 0
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [7] |  |  | 3,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (21,000,000)
Recovery of written-off assets | [8] |  |  | 0
Collective Allowance Incurred But Not Recognized [Member] | Loans and receivables [Member] |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  | € (4,109,000,000) | (5,224,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [9] |  |  | (1,776,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [9] |  |  | 2,128,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [9] |  |  | 1,536,000,000
Transfers Between Allowances | [9] |  |  | (1,328,000,000)
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [9] |  |  | 554,000,000
Allowance Account For Credit Losses Of Financial Assets at the end |  |  |  | (4,109,000,000)
Recovery of written-off assets | [10] |  |  | 0
Total Member |  |  |  |
Reconciliation Of Changes In Allowance Account Fo rCredit Losses Of Financial Assets Line Items |  |  |  |
Allowance Account For Credit Losses Of Financial Assets at the beginning |  |  |  | (16,206,000,000)
Changes In Allowance Account For Credit Losses Of Financial Assets Abstract |  |  |  |
Additional Allowance Recognised In Profit Or Loss Allowance Account For Credit Losses Of Financial Assets | [11] |  |  | (9,267,000,000)
Reversal Allowance Account For Credit Losses Of Financial Assets | [11] |  |  | 5,037,000,000
Utilisation Allowance Account For Credit Losses Of Financial Assets | [11] |  |  | 6,038,000,000
Transfers Between Allowances | [11] |  |  | 482,000,000
Increase Decrease Through Other Changes Allowance Account For Credit Losses Of Financial Assets | [11] |  |  | 1,083,000,000
Recovery of written-off assets | [12] |  |  | € 558,000,000
[1] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[2] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[3] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[4] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[5] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[6] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[7] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[8] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[9] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[10] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[11] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .
[12] | (*) Figures originally reported in the year 2017 in accordan ce to the applicable regulation .

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