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Income tax receivables and payables (Details) - EUR (€)
€ in Millions
Dec. 31, 2020
Dec. 31, 2019
Income tax receivables and payables    
Income tax receivables, Current € 184 € 192
Income taxes receivables, Non current 153 173
Income tax payables, Current 243 456
Income tax payables, Non current € 360 € 454