Principal Accountant Fees and Services (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Non-Current Assets by Region
Audit fees	€ 13	€ 14	€ 12
Audit-related fees	1	10	7
Tax fees	0	0	0
All other fees	0	0	0
Total	14	24	19
Domestic countries
Non-Current Assets by Region
Audit fees	8	4	3
Audit-related fees	0	3	2
Tax fees	0	0	0
All other fees	0	0	0
Total	8	7	6
Foreign countries
Non-Current Assets by Region
Audit fees	5	10	8
Audit-related fees	1	7	5
Tax fees	0	0	0
All other fees	0	0	0
Total	€ 6	€ 17	€ 13

The amount of fees paid or payable to the entity's auditors.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-URIDate 2023-03-23

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The amount of fees paid or payable to the entity's auditors for auditing services.

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The amount of fees paid or payable to the entity's auditors for services that the entity does not separately disclose in the same statement or note.

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