XML 89 R80.htm IDEA: XBRL DOCUMENT
v3.24.2

BORROWINGS - Currency Concentration of Total Borrowings (Details) - EUR (€) € in Millions | Jun. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |
Total Borrowings | € 1,895 | € 1,868 | € 2,056
U.S. Dollars |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total Borrowings | 1,044 | 1,012 |
Euro |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total Borrowings | 845 | 849 |
Other currencies |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Total Borrowings | € 6 | € 7 |

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=cstm_OtherCurrenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |