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Costs (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Costs      
Production costs - raw, ancillary and consumable materials and goods € 58,170 € 85,139 € 41,174
Production costs - services 11,512 10,303 10,646
Lease expense and other 1,432 2,301 1,233
Net provisions for contingencies 1,369 2,985 707
Other expenses 1,746 2,069 1,983
Purchase, services and other charges gross 74,229 102,797 55,743
capitalized direct costs associated with self-constructed assets - tangible assets (367) (246) (185)
capitalized direct costs associated with self-constructed assets - intangible assets (26) (22) (9)
Purchases, services and other € 73,836 € 102,529 € 55,549