XML 65 R57.htm IDEA: XBRL DOCUMENT v3.23.2

OPERATING SEGMENT INFORMATION - Segment Capital Expenditures (Details) - EUR (€) € in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Disclosure of operating segments [line items]
Capital expenditures	€ (134)	€ (84)
P&ARP
Disclosure of operating segments [line items]
Capital expenditures	(71)	(40)
A&T
Disclosure of operating segments [line items]
Capital expenditures	(37)	(20)
AS&I
Disclosure of operating segments [line items]
Capital expenditures	(25)	(22)
H&C
Disclosure of operating segments [line items]
Capital expenditures	€ (1)	€ (2)

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

X

- Definition

The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2022-03-24
-Paragraph 16
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	ifrs-full_SegmentsAxis=cstm_PackagingAndAutomotiveRolledProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SegmentsAxis=cstm_AerospaceAndTransportationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SegmentsAxis=cstm_AutomotiveStructuresAndIndustryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SegmentsAxis=cstm_HoldingsAndCorporateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: