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Current and non-current inventories (Details) - EUR (€)
€ in Millions
Dec. 31, 2021
Dec. 31, 2020
Current and non-current inventories    
Raw and auxiliary materials and consumables € 1,001 € 706
Consumables for infrastructure and facility maintenance of perforation activities 1,611 1,580
Finished products and goods 3,452 1,603
Other 8 4
Inventories € 6,072 € 3,893