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Equity - Translation Differences (Details) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of reserves within equity [line items] |  |  |
Accumulated contribution of translation differences | € (21,279) | € (20,686) | € (20,723)
Brazilian real |  |  |
Disclosure of reserves within equity [line items] |  |  |
Accumulated contribution of translation differences | (15,786) | (13,612) | (14,031)
Pound sterling |  |  |
Disclosure of reserves within equity [line items] |  |  |
Accumulated contribution of translation differences | 309 | (97) | (322)
Venezuelan bolivar |  |  |
Disclosure of reserves within equity [line items] |  |  |
Accumulated contribution of translation differences | (3,253) | (3,686) | (3,734)
Argentine peso |  |  |
Disclosure of reserves within equity [line items] |  |  |
Accumulated contribution of translation differences | (1,112) | (2,011) | (1,364)
Other currencies |  |  |
Disclosure of reserves within equity [line items] |  |  |
Accumulated contribution of translation differences | € (1,437) | € (1,280) | € (1,272)

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- Definition A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2024-01-01 -Paragraph 52 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2024-en-r&anchor=para_52_b&doctype=Standard -URIDate 2024-03-27 + Details
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