Related Party Transactions Other Than Board Compensation (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Related Party Transactions Other Than Board Compensation
Term of commitments	6 years
Supervisory Board Members
Related Party Transactions Other Than Board Compensation
Products and services provided	€ 0	€ 0
Products and services received	2	2
Outstanding balances at year end (Vendors)	0	0
Outstanding balances at year end (Customers)	0	0
Commitments at year end	0	0
Companies controlled by Supervisory Board Members
Related Party Transactions Other Than Board Compensation
Products and services provided	1	2
Products and services received	4	4
Sponsoring and other financial support provided	5	3
Outstanding balances at year end (Vendors)	0	0
Outstanding balances at year end (Customers)	0	0
Commitments at year end	51	6
Associated Entities
Related Party Transactions Other Than Board Compensation
Products and services provided	11	6
Products and services received	93	37
Outstanding balances at year end (Vendors)	(18)	(15)
Outstanding balances at year end (Customers)	€ 4	€ 4

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

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- Definition

The amounts receivable resulting from related party transactions. [Refer: Related parties [member]]

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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.

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The amount of outstanding commitments made by the entity in related party transactions. [Refer: Related parties [member]]

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The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]]

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The amount of revenue arising from the sale of goods in related party transactions. [Refer: Revenue; Related parties [member]]

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The periods of commitments to purchase further goods or services and to provide further sponsoring and other financial support, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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This amount of related-party sponsoring and financial support made by the entity.

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