XML 48 R38.htm IDEA: XBRL DOCUMENT
v3.21.2

INVENTORIES (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Subclassifications of assets, liabilities and equities [abstract] |
Schedule of Inventories |
(in millions of Euros) |  | At June 30, 2021 |  | At December 31, 2020
Finished goods |  | 196 |  | 149
Work in progress |  | 428 |  | 280
Raw materials |  | 137 |  | 118
Stores and supplies |  | 87 |  | 80
Inventories write down |  | (46) |  | (45)
Total inventories |  | 802 |  | 582

X
- Definition Disclosure of information about inventories explanatory. + References No definition available. + Details
Name: | cstm_DisclosureOfInformationAboutInventoriesExplanatoryTableTextBlock
Namespace Prefix: | cstm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration