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CURRENCY GAINS / (LOSSES) (Tables) | 12 Months Ended
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Dec. 31, 2023
Analysis of income and expense [abstract] |
Schedule of Currency Gains and Losses Included in Income from Operations |
|  |  |  | Year ended December 31,
(in millions of Euros) |  | Notes |  | 2023 |  | 2022 |  | 2021
Included in Revenue |  | 22 |  | (6) |  | (8) |  | (4)
Included in Cost of sales |  |  |  | (1) |  | 2 |  | 1
Included in Other gains and losses - net |  |  |  | 2 |  | 5 |  | 16
Total |  |  |  | (5) |  | (1) |  | 13
Realized exchange gains / (losses) on foreign currency derivatives - net |  | 22 |  | 10 |  | (8) |  | (1)
Unrealized (losses) / gains on foreign currency derivatives - net |  | 22 |  | (12) |  | 6 |  | 13
Exchange (losses) / gains from the remeasurement of monetary assets and liabilities - net |  |  |  | (3) |  | 1 |  | 1
Total |  |  |  | (5) |  | (1) |  | 13
Schedule of Foreign Currency Translation Reserve |
|  | At December 31,
(in millions of Euros) |  | 2023 |  | 2022
Foreign currency translation reserve at January 1, |  | 41 |  | 19
Effect of currency translation differences |  | (25) |  | 22
Foreign currency translation reserve at December 31, |  | 16 |  | 41

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