Provisions - Summary of Provisions (Detail) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Disclosure of other provisions [abstract]
Beginning balance	€ 193	€ 309
Additional provisions	28	91
Disposals	(8)	(6)
Unused amounts reversed through the income statement	(10)	0
Used during the year	(57)	(209)
Net exchange differences	5	9
Transfer to disposal groups	(52)
Ending balance	99	193
Current	89	139
Non-current	€ 10	€ 54

Increase decrease through transfer to disposal groups other provisions.

No definition available.

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- Definition

The amount of additional other provisions made. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 37
-IssueDate 2022-03-24
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- Definition

The amount of current provisions, including provisions for employee benefits. [Refer: Provisions]

+ References

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- Definition

The decrease in other provisions resulting from the transfer of those provisions to liabilities included in disposal groups classified as held for sale. [Refer: Other provisions; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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No definition available.

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- Definition

The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]

+ References

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The amount of non-current provisions, including provisions for employee benefits. [Refer: Provisions]

+ References

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The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

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- Definition

The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]

+ References

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- Definition

The amount reversed for unused other provisions. [Refer: Other provisions]

+ References

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