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Finance debt - Fair value of long-term debt (Details) - EUR (€) € in Millions	Dec. 31, 2023	Dec. 31, 2022
Borrowings
Financial liabilities, at fair value	€ 24,243	€ 21,011
Long-term and current portion of long-term ordinary bonds and sustainability-linked bond
Borrowings
Financial liabilities, at fair value	21,025	18,167
Long-term and current portion of long-term convertible sustainability-linked bonds
Borrowings
Financial liabilities, at fair value	1,061
Long-term and current portion of long-term bank debt
Borrowings
Financial liabilities, at fair value	1,652	2,733
Long-term and current portion of long-term debt with other financial institutions
Borrowings
Financial liabilities, at fair value	€ 505	€ 111

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- 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.

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No definition available.

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- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2023-01-01
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