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Share-Based Payment - Summary of Detailed Information About RSUs and SEBIRs Outstanding and Exercise Prices (Detail) - SEBIRs/RSU [member] shares in Thousands	12 Months Ended
	Dec. 31, 2022 shares € / shares	Dec. 31, 2021 shares	Dec. 31, 2020 shares
Disclosure of detailed information about RSUs and SEBIRs outstanding and exercise prices [Line Items]
Number of other equity instruments outstanding in share-based payment arrangement	8,008	8,008	4,591
September 22, 2029 [member]
Disclosure of detailed information about RSUs and SEBIRs outstanding and exercise prices [Line Items]
Exercise price, share options granted | € / shares	€ 1
Number of other equity instruments outstanding in share-based payment arrangement	4,168	4,168
September 22, 2029 [member]
Disclosure of detailed information about RSUs and SEBIRs outstanding and exercise prices [Line Items]
Exercise price, share options granted | € / shares	€ 2.04
Number of other equity instruments outstanding in share-based payment arrangement	423	423
September 22, 2031 [member]
Disclosure of detailed information about RSUs and SEBIRs outstanding and exercise prices [Line Items]
Exercise price, share options granted | € / shares	€ 2.04
Number of other equity instruments outstanding in share-based payment arrangement	3,417	3,417

X

- Definition

The exercise price of share options granted.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 47
-Subparagraph a
-Clause i
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-URIDate 2022-03-24

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- Definition

The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 45
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-URIDate 2022-03-24

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- Definition

Disclosure of detailed information about RSUs and SEBIRs outstanding and exercise prices.

+ References

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