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Accounting information and policies - Disclosure Of Detailed Information about Effects of Hyperinflationary Economies (Details)
€ in Millions
 12 Months Ended
Dec. 31, 2022
EUR (€)
Disclosure Of Summary Of Significant Accounting Policies [Line Items]  
Total assets increase / (reduction) € 392
Opening retained profit increase / (reduction) 154
Turnover increase / (reduction) 34
Operating profit increase / (reduction) (39)
Net monetary gain / (loss) (157)
Argentina  
Disclosure Of Summary Of Significant Accounting Policies [Line Items]  
Total assets increase / (reduction) 167
Opening retained profit increase / (reduction) 0
Turnover increase / (reduction) (2)
Operating profit increase / (reduction) (33)
Net monetary gain / (loss) (184)
Turkey  
Disclosure Of Summary Of Significant Accounting Policies [Line Items]  
Total assets increase / (reduction) 225
Opening retained profit increase / (reduction) 154
Turnover increase / (reduction) 36
Operating profit increase / (reduction) (6)
Net monetary gain / (loss) € 27