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Note 8 Financial Assets at Fair Value By Levels (Details) - EUR (€) € in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Financial assets at fair value by levels [Line Items] |  |  |
Assets | € 662,885 | € 733,797 | € 695,471
Financial assets held for trading [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Observable inputs | - Exchange rates- Market quoted future prices- Market interest rates- Underlying assets prices: shares, funds, commodities- Market observable volatilities - Issuer credit spread levels- Quoted dividends- Market listed correlations |  |
Financial assets held for trading [Member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Comparable pricing (Observable price in a similar market)Net asset value |  |
Observable inputs | - Brokers quotes- Market operations- NAVs published |  |
Unobservable inputs | -NAV provided by the administrator of the fund |  |
Financial assets held for trading [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Present-value method(Discounted future cash flows)Observed prices in non-active markets |  |
Observable inputs | - Issuer´s credit risk- Current market interest rates- Non active markets prices |  |
Unobservable inputs | - Prepayment rates- Issuer´s credit risk- Recovery rates |  |
Financial assets held for trading [Member] | loans and advances [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Present-value method(Discounted future cash flows) |  |
Observable inputs | - Issuer´s credit risk- Current market interest rates- Funding interest rates observed in the market or in consensus services- Exchange rates |  |
Unobservable inputs | - Prepayment rates- Issuer´s credit risk- Recovery rates- Funding interest rates not observed in the market or in consensus services |  |
Financial assets held for trading [Member] | Interest rate [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Interest rate products (Interest rate Swaps, Call money Swaps y FRA): Discounted cash flowsCaps/Floors: Black 76, Hull-White y SABRBond options: Black 76Swaptions: Black, Hull-White y LGMOther Interest rate Options: Black 76, Hull-White y LGMConstant Maturity Swaps: SABR |  |
Unobservable inputs | - Beta- Implicit correlations between tenors- interest rates volatility |  |
Financial assets held for trading [Member] | Equity [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Future and Equity Forward: Discounted future cash flowsEquity Options: Local Volatility, Momentum adjustment and Heston |  |
Unobservable inputs | - Volatility of volatility- Implicit assets correlations- Long term implicit correlations- Implicit dividends and long term repos |  |
Financial assets held for trading [Member] | Foreign exchange and gold [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Future and Equity Forward: Discounted future cash flowsForeign exchange Options: Local volatility, momentum adjustment |  |
Unobservable inputs | - Volatility of volatility- Implicit assets correlations- Long term implicit correlations |  |
Financial assets held for trading [Member] | Credit [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Credit Derivatives: Default model and Gaussian copula |  |
Unobservable inputs | - Correlation default- Credit spread- Recovery rates- Interest rate yield- Default volatility |  |
Financial assets held for trading [Member] | Commodities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Commodities: Momentum adjustment and discounted cash flows |  |
Non trading financial assets mandatorily at fair value through profit or loss [Member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Comparable pricing (Observable price in a similar market)Net asset value |  |
Observable inputs | - Brokers quotes- Market operations- NAVs published |  |
Unobservable inputs | - NAV provided by the administrator of the fund |  |
Non trading financial assets mandatorily at fair value through profit or loss [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Present-value method(Discounted future cash flows) |  |
Observable inputs | - Issuer credit risk- Current market interest rates |  |
Unobservable inputs | - Prepayment rates- Issuer credit risk- Recovery rates |  |
Non trading financial assets mandatorily at fair value through profit or loss [Member] | loans and advances [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Specific liquidation criteria regarding losses of the EPA proceedingsPD and LGD of the internal models, valuations and specific criteria of the EPA proceedings Discounted future cash flows |  |
Unobservable inputs | - Prepayment rates- Business plan of the underlying asset, WACC, macro scenario- Property valuation |  |
Financial assets designated at fair value through profit or loss [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Present-value method(Discounted future cash flows) |  |
Observable inputs | - Issuer credit risk- Current market interest rates |  |
Financial assets at fair value through other comprehensive income, category [member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Comparable pricing (Observable price in a similar market)Net asset value |  |
Observable inputs | - Brokers quotes- Market operations- NAVs published |  |
Unobservable inputs | - NAV provided by the administrator of the fund |  |
Financial assets at fair value through other comprehensive income, category [member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Present-value method(Discounted future cash flows)Observed prices in non-active markets |  |
Observable inputs | - Issuer´s credit risk- Current market interest rates- Non active market prices |  |
Unobservable inputs | - Prepayment rates- Issuer credit risk- Recovery rates |  |
Hedging derivatives [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Observable inputs | - Exchange rates- Market quoted future prices- Market interest rates- Underlying assets prices: shares, funds, commodities- Market observable volatilities - Issuer credit spread levels- Quoted dividends- Market listed correlations |  |
Hedging derivatives [Member] | Interest rate [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Interest rate products (Interest rate Swaps, Call money Swaps y FRA): Discounted cash flowsCaps/Floors: Black, Hull-White y SABRBond options: Black 76Swaptions: Black 76, Hull-White y LGMOther Interest rate Options: Black 76, Hull-White y LGMConstant maturity Swaps: SABR |  |
Unobservable inputs | - Beta- Implicit correlations between tenors- interest rates volatility |  |
Hedging derivatives [Member] | Equity [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Future and Equity Forward: Discounted future cash flowsEquity Options: Local volatility, Black 76, Momentum adjustment and Heston |  |
Unobservable inputs | - Volatility of volatility- Implicit assets correlations- Long term implicit correlations- Implicit dividends and long term repos |  |
Hedging derivatives [Member] | Foreign exchange and gold [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Future and Equity Forward: Discounted future cash flowsForeign exchange Options: Local volatility, momentum adjustment |  |
Unobservable inputs | - Volatility of volatility- Implicit assets correlations- Long term implicit correlations |  |
Hedging derivatives [Member] | Credit [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Credit Derivatives: Default model and Gaussian copula |  |
Unobservable inputs | - Correlation default- Credit spread- Recovery rates- Interest rate yield- Default volatility |  |
Hedging derivatives [Member] | Commodities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Valuation techniques | Commodities: Momentum adjustment and Discounted cash flows |  |
Unobservable inputs |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | € 87,736 | 71,938 | 69,092
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 0 | 31 | 0
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 13,725 | 11,123 | 8,178
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | loans and advances [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 47,279 | 26,741 | 30,491
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Derivatives [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 26,732 | 34,043 | 28,593
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Interest rate [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Equity [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Foreign exchange and gold [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Credit [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Commodities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 522 | 381 | 92
Level 2 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 394 | 57 | 1
Level 2 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 128 | 324 | 91
Level 2 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] | loans and advances [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 0 | 0 | 0
Level 2 Of Fair Value Hierarchy [Member] | Financial assets designated at fair value through profit or loss [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 176 | 178 | 0
Level 2 Of Fair Value Hierarchy [Member] | Financial assets designated at fair value through profit or loss [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 176 | 178 | 0
Level 2 Of Fair Value Hierarchy [Member] | Financial assets at fair value through other comprehensive income, category [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 7,545 | 7,866 | 9,203
Level 2 Of Fair Value Hierarchy [Member] | Financial assets at fair value through other comprehensive income, category [member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 36 | 34 | 146
Level 2 Of Fair Value Hierarchy [Member] | Financial assets at fair value through other comprehensive income, category [member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 7,509 | 7,832 | 9,057
Level 2 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 1,733 | 1,862 | 1,685
Level 2 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Interest rate [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Equity [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Foreign exchange and gold [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Credit [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 2 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Commodities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 3,386 | 1,386 | 1,508
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 37 | 60 | 59
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 189 | 57 | 55
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | loans and advances [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 2,913 | 1,148 | 849
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Derivatives [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 247 | 121 | 109
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Interest rate [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Equity [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Foreign exchange and gold [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Credit [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Financial assets held for trading [Member] | Commodities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 1,186 | 992 | 1,160
Level 3 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 751 | 465 | 103
Level 3 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 0 | 28 | 19
Level 3 Of Fair Value Hierarchy [Member] | Non trading financial assets mandatorily at fair value through profit or loss [Member] | loans and advances [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 435 | 499 | 1,038
Level 3 Of Fair Value Hierarchy [Member] | Financial assets designated at fair value through profit or loss [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 0 | 0 | 0
Level 3 Of Fair Value Hierarchy [Member] | Financial assets designated at fair value through profit or loss [Member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 0 | 0 | 0
Level 3 Of Fair Value Hierarchy [Member] | Financial assets at fair value through other comprehensive income, category [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 719 | 598 | 1,084
Level 3 Of Fair Value Hierarchy [Member] | Financial assets at fair value through other comprehensive income, category [member] | equity instruments [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 106 | 105 | 480
Level 3 Of Fair Value Hierarchy [Member] | Financial assets at fair value through other comprehensive income, category [member] | Debt securities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 613 | 493 | 604
Level 3 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets | 9 | 8 | 0
Level 3 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Interest rate [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Equity [member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Foreign exchange and gold [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Credit [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |
Level 3 Of Fair Value Hierarchy [Member] | Hedging derivatives [Member] | Commodities [Member] |  |  |
Financial assets at fair value by levels [Line Items] |  |  |
Assets |  |  |

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- Definition The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 28 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_28_c&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_b&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2021-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_e&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard -URIDate 2021-03-24 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2021-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_23&doctype=Standard -URIDate 2021-03-24 + Details
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