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Financial Assets and Liabilities - Movements in Level 3 Fair Value Measurements (Detail) - EUR (€) € in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Reconciliation of changes in fair value measurement, liabilities [abstract]
Beginning balance	€ 256,231
Ending balance	290,482
Level 3 [member]
Reconciliation of changes in fair value measurement, liabilities [abstract]
Beginning balance	256,231	€ 150,670
Remeasurement recognized in finance (income) or expense	34,251	23,911
Ending balance	€ 290,482	€ 174,581

X

- Definition

Derivative financial liabilities at fair value remeasurement recognized in financial income or expense.

+ References

No definition available.

+ Details

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X

- Definition

The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

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X

- References

No definition available.

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