Financial Instruments - Financial assets (Details) - EUR (€) € in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Cash and cash equivalents
Cash at bank and in hand	€ 262	€ 402	€ 35
Short-term deposits with maturity of less than three months	315	39	14
Total financial assets	€ 577	€ 441	€ 49

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2025-01-01
-Paragraph 45
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-URIDate 2025-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- References

No definition available.

+ Details

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- Definition

A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents]

+ References

+ Details

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- Definition

Current financial assets other than trade and other current receivables and other current financial assets.

+ References

No definition available.

+ Details

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