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Note 43 - Impairment or reversal of impairment on non-financial assets (Details) - EUR (€)
€ in Millions
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Impairment or reversal of impairment on non-financial assets    
Tangible assets, impairment or reversal of impairment € (18) € (17)
Intangible assets, impairment or reversal of impairment (3) (10)
Other non-financial assets, impairment or reversal of impairment 21 (53)
Total impairment (reversal of impairment) of non-financial assets € 0 € 80