XML 371 R97.htm IDEA: XBRL DOCUMENT v3.24.1

PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [line items]
Expense related to short-term leases, low value asset leases and variable lease still recognized as operating expenses	€ 18	€ 15	€ 12

X

- Definition

Expense Relating To Short-Term Leases, Leases Of Low-Value Assets And Variable Lease Payments For Which Recognition Exemption Has Been Used

+ References

No definition available.

+ Details

Name:	cstm_ExpenseRelatingToShortTermLeasesLeasesOfLowValueAssetsAndVariableLeasePaymentsForWhichRecognitionExemptionHasBeenUsed
Namespace Prefix:	cstm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration