XML 220 R200.htm IDEA: XBRL DOCUMENT v3.19.1
Note 15 - Hedging derivatives and fair value changes of the hedged items in portfolio hedge of interest rate risk- Hedging Derivatives Breakdown (Details) - EUR (€)
€ in Millions
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS € 2,892 € 2,485 € 2,833
HEDGING DERIVATIVES, LIABILITIES 2,680 2,880 2,347
Interest Rate Risk Member | OTC Options [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 5 100 125
HEDGING DERIVATIVES, LIABILITIES 158 111 118
Interest Rate Risk Member | OTC Options [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Interest Rate Risk Member | OTC Others [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 978 1,041 1,029
HEDGING DERIVATIVES, LIABILITIES 355 739 856
Interest Rate Risk Member | OTC Others [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 219 242 186
HEDGING DERIVATIVES, LIABILITIES 562 533 358
Interest Rate Risk Member | Organized Market Options [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Interest Rate Risk Member | Organized Market Options [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Interest Rate Risk Member | Organized Market Other [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Interest Rate Risk Member | Organized Market Other [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 2 2 8
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Interest Rate Risk Member | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 982 1,141 1,154
HEDGING DERIVATIVES, LIABILITIES 513 850 974
Interest Rate Risk Member | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 221 244 194
HEDGING DERIVATIVES, LIABILITIES 562 533 358
Equity Risk [Member] | OTC Options [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 6 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 50
Equity Risk [Member] | OTC Others [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Equity Risk [Member] | Organized Market Options [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Equity Risk [Member] | Organized Market Other [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Equity Risk [Member] | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 6 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 50
Equity Risk [Member] | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Foreign Exchange And Gold Risk [Member] | OTC Options [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Foreign Exchange And Gold Risk [Member] | OTC Options [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 89
HEDGING DERIVATIVES, LIABILITIES 0 0 70
Foreign Exchange And Gold Risk [Member] | OTC Others [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 587 625 817
HEDGING DERIVATIVES, LIABILITIES 398 511 553
Foreign Exchange And Gold Risk [Member] | OTC Others [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 955 119 160
HEDGING DERIVATIVES, LIABILITIES 873 714 48
Foreign Exchange And Gold Risk [Member] | Organized Market Options [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Foreign Exchange And Gold Risk [Member] | Organized Market Options [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Foreign Exchange And Gold Risk [Member] | Organized Market Other [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Foreign Exchange And Gold Risk [Member] | Organized Market Other [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Foreign Exchange And Gold Risk [Member] | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 587 625 817
HEDGING DERIVATIVES, LIABILITIES 398 511 553
Foreign Exchange And Gold Risk [Member] | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 955 119 248
HEDGING DERIVATIVES, LIABILITIES 873 714 118
Credit Risk Member | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Credit Risk Member | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Commodities Risk [Member] | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Commodities Risk [Member] | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Other Risk [Member] | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Other Risk [Member] | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 0 0 0
HEDGING DERIVATIVES, LIABILITIES 0 0 0
Total [Member] | Total [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 2,892 2,485 2,833
HEDGING DERIVATIVES, LIABILITIES 2,680 2,880 2,347
Total [Member] | Total [Member] | Fair Value Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 1,575 1,766 1,970
HEDGING DERIVATIVES, LIABILITIES 912 1,362 1,577
Total [Member] | Total [Member] | Cash Flow Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 1,176 363 442
HEDGING DERIVATIVES, LIABILITIES 1,435 1,247 476
Total [Member] | Total [Member] | Hedge Of Net Investments In A Foreign Operation [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 92 301 362
HEDGING DERIVATIVES, LIABILITIES 231 15 79
Total [Member] | Total [Member] | Portfolio Fair Value Hedges Of Interest Rate Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 33 46 55
HEDGING DERIVATIVES, LIABILITIES 90 256 214
Total [Member] | Total [Member] | Portfolio Cash Flow Hedges Of Interest Rate Risk [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 15 9 4
HEDGING DERIVATIVES, LIABILITIES 12 0 0
Total [Member] | Total [Member] | OTC Credit Institutions [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 2,534 1,829 2,381
HEDGING DERIVATIVES, LIABILITIES 2,462 2,527 2,103
Total [Member] | Total [Member] | OTC Other Financial Corporations [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 355 651 435
HEDGING DERIVATIVES, LIABILITIES 216 234 165
Total [Member] | Total [Member] | OTC Other [Member]      
Disclosure Of Detailed Information About Hedging Instruments Line Items      
HEDGING DERIVATIVES, ASSETS 2 2 9
HEDGING DERIVATIVES, LIABILITIES € 2 € 120 € 79