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INVENTORIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract] |
Schedule of Inventories |
|  | At December 31,
(in millions of Euros) |  | 2021 |  | 2020
Finished goods |  | 225 |  | 149
Work in progress |  | 551 |  | 280
Raw materials |  | 226 |  | 118
Stores and supplies |  | 95 |  | 80
Inventories write down |  | (47) |  | (45)
Total inventories |  | 1,050 |  | 582

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