XML 144 R127.htm IDEA: XBRL DOCUMENT v3.20.2
Note 14 - Hedging derivatives and fair value changes of the hedged items in portfolio hedge of interest rate risk - Derivatives Hedging Accounting (Details) - EUR (€)
Jun. 30, 2020
Dec. 31, 2019
Assets    
HEDGING DERIVATIVES, ASSETS € 2,531,000,000 € 1,729,000,000
FAIR VALUE CHANGES OF THE HEDGED ITEMS IN PORTFOLIO HEDGES OF INTEREST RATE RISK, ASSETS 60,000,000 28,000,000
Liabilities Abstract    
HEDGING DERIVATIVES, LIABILITIES 2,368,000,000 2,233,000,000
FAIR VALUE CHANGES OF THE HEDGED ITEMS IN PORTFOLIO HEDGES OF INTEREST RATE RISK, LIABILITIES € 0 € 0