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Note 42 Impairment Or Reversal Of Impairment On Non Financial Assets (Details) - EUR (€)
€ in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Disclosure of Impairment Or Reversal Of Impairment On Non Financial Assets [Line Items]    
Impairment tangible assets € (3) € (22)
Impairment loss recognised in profit or loss, intangible assets other than goodwill 10 5
Other impairment non financial assets 6 17
Impairment or reversal of impairment on non financial assets € 13 € 0