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Intangible assets - Additional information (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
VIU calculation period	3 years
Percentage decrease in available cash flow	10.00%
Change in discount rate assumption	1.00%
Change in future growth rate assumption	0.00%
Impairment of an intangible asset	€ 5	€ 22
Retail Turkey
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
Goodwill impairment		32
Software | Internally generated
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]
Intangible assets other than goodwill	€ 628	€ 540

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- Definition

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 impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of impairment loss recognised in profit or loss for intangible assets other than goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets other than goodwill]

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The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]

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