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Investment in associates and joint ventures - Summary of changes in investments in associates and joint ventures (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of investments in associates and joint ventures [line items] |  |  |
Opening balance as at 1 January | € 1,500 |  |
Share of results | 149 | € 92 | € 141
Closing balance | 1,509 | 1,500 |
Associates and joint ventures |  |  |
Disclosure of investments in associates and joint ventures [line items] |  |  |
Opening balance as at 1 January | 1,500 | 1,587 |
Additions | 55 | 48 |
Revaluations | 4 | (8) |
Share of results | 149 | 92 |
Dividends received | (74) | (48) |
Disposals | (89) | (10) |
Impairments | (5) | (192) |
Exchange rate differences | (32) | 27 |
Other |  | 4 |
Closing balance | € 1,509 | € 1,500 | € 1,587

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- Definition The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries reported in separate financial statements] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_10&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2023-01-01 -Paragraph 28 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_28_e&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2023-01-01 -Paragraph 23 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_23_g&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 82 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_82_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Additions in investments in associates and joint ventures. + References No definition available. + Details
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