XML 79 R70.htm IDEA: XBRL DOCUMENT v3.24.2

PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - EUR (€) € in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Property, plant and equipment [abstract]
Expense related to short-term leases, low value asset leases and variable lease still recognized as operating expenses	€ 9	€ 8

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

- References

No definition available.

+ Details

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