Award Timing Disclosure |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Award Timing Disclosures [Line Items] | |
| Award Timing MNPI Disclosure | Equity grants to executive officers currently are made pursuant to our Constellium SE 2013 Equity Incentive Plan. We do not coordinate the grant of equity awards to the timing of releases of material non-public information. Grants of equity awards are typically made in March, following the Company’s release of full-year earnings for the prior fiscal year and the filing of the Annual Report.
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| Award Timing MNPI Considered | false |