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Segment information - Geographic (Detail) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Geographical information      
Net sales € 22,202 € 21,852 € 23,315
Non-current assets 9,859 9,615  
Finland      
Geographical information      
Net sales 1,605 1,480 1,552
Non-current assets 1,348 1,382  
United States      
Geographical information      
Net sales 6,791 6,792 6,645
Non-current assets 5,083 4,843  
Japan      
Geographical information      
Net sales 1,030 904 977
France      
Geographical information      
Non-current assets 2,029 1,857  
India      
Geographical information      
Net sales 1,022 945 1,350
Other countries      
Geographical information      
Net sales 11,754 11,731 € 12,791
Non-current assets € 1,399 € 1,533