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Other Non-Current Assets (Details) - EUR (€) € in Millions	Jun. 30, 2025	Dec. 31, 2024
Disclosure Of Other Non Current Assets [Line Items]
Other financial assets at fair value through profit or loss	€ 965	€ 1,027
Pre-funded pension obligations	146	156
Long-term prepaid expenses	143	152
Long-term loans and advances and other non-current receivables	382	502
Derivative financial instruments	6	0
Other non-current assets	4,109	3,753
Trading equity securities
Disclosure Of Other Non Current Assets [Line Items]
Instruments at fair value through other comprehensive income	2,105	1,559
Debt securities
Disclosure Of Other Non Current Assets [Line Items]
Instruments at fair value through other comprehensive income	€ 362	€ 357

X

- Definition

The amount of non-current derivative financial assets. [Refer: Derivative financial assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-URIDate 2024-03-27

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- Definition

The amount of non-current financial assets at fair value through other comprehensive income. [Refer: Financial assets at fair value through other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]

+ References

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- Definition

Disclosure of other non-current assets.

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Long term prepaid expenses.

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- Definition

Non current loans and receivables

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- Definition

Other Financial Assets At Fair Value Through Profit Or Loss

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- Definition

Pre-funded pension obligations.

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