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TRADE RECEIVABLES AND OTHER - Narrative (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2021 EUR (€) | Dec. 31, 2020 EUR (€)
Disclosure of trade and other receivables [line items] |  |  |
Total factored assets |  | € 639,000,000 | € 514,000,000
Factored assets derecognized |  | 345,000,000 | 398,000,000
Debt due factor |  | 0 | € 0
United States | Factoring of receivables | Muscle Shoals factoring facility |  |  |
Disclosure of trade and other receivables [line items] |  |  |
Factoring maximum capacity | $ | $ 300,000,000 |  |
United States | Factoring of receivables | Constellium automotive |  |  |
Disclosure of trade and other receivables [line items] |  |  |
Factoring maximum capacity | $ | $ 25,000,000 |  |
France | Factoring of receivables |  |  |
Disclosure of trade and other receivables [line items] |  |  |
Factoring maximum capacity |  | 255,000,000 |
France | Factoring Receivable, Recourse Line |  |  |
Disclosure of trade and other receivables [line items] |  |  |
Factoring maximum capacity |  | 20,000,000 |
Germany, Switzerland and Czech Republic | Factoring of receivables |  |  |
Disclosure of trade and other receivables [line items] |  |  |
Factoring maximum capacity |  | € 150,000,000 |

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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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