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Investments accounted for using the equity method - Summary of Share of Profit or Loss and Other Comprehensive Income of Associates and Joint Ventures (Details) - EUR (€) € / shares in Units, € in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
EUROAPI |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Stock price | € 5.73 |  |
Joint ventures |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Share of profit/(loss) from investments accounted for using the equity method | € 101 | € 74 | € 26
Share of other comprehensive income from investments accounted for using the equity method | (7) | (2) | (6)
Total | 94 | 72 | 20
Associates |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Share of profit/(loss) from investments accounted for using the equity method | (216) | (6) | 13
Share of other comprehensive income from investments accounted for using the equity method | 8 | (3) | 0
Total | (208) | € (9) | € 13
EUROAPI |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Impairment loss recognised in profit or loss | € 231 |  |

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- Definition The entity's share of the other comprehensive income of associates and joint ventures accounted for using the equity method, before tax. [Refer: Associates [member]; Investments accounted for using equity method; Joint ventures [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 91 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_91_b&doctype=Standard -URIDate 2023-03-23 + Details
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