Leases - Cash flow (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of analysis of single amount of discontinued operations [line items]
Payment of principal portion of lease liabilities	€ (233)	€ (239)	€ (217)
Interest paid on lease liabilities	(31)	(27)	(25)
Total	(266)	(267)	(243)
Aggregate continuing and discontinued operations
Disclosure of analysis of single amount of discontinued operations [line items]
Payment of principal portion of lease liabilities	(233)	(239)	(217)
Interest paid on lease liabilities	€ (33)	€ (28)	€ (26)

The cash outflow for leases.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 53
-Subparagraph g
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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.

+ References

No definition available.

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- Definition

The amount of interest expense on lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2024-01-01
-Paragraph 53
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- Definition

The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
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-IssueDate 2024-01-01
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