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Inventories - Inventories (Detail) - EUR (€)
€ in Millions
Dec. 31, 2021
Dec. 31, 2020
Inventories [Abstract]    
Current raw materials and current production supplies € 1,143 € 992
Current work in progress 646 537
Current finished goods 1,660 1,464
Current inventories € 3,450 € 2,993