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Equity - Hyperinflation additional information (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of equity [Line Items] |  |  |  |
Total equity | € 53,698 | € 55,628 | € 57,004 | € 52,802
Currency translation reserve | (1,986) | (2,527) | (2,395) |
Retained earnings | 36,243 | 40,299 | 41,538 |
Opening balance after adjustment, cumulative effect at date of initial application | IAS 29 |  |  |  |
Disclosure of equity [Line Items] |  |  |  |
Total equity | 50 | 54 | 100 |
Currency translation reserve | 202 | 284 | 1,011 |
Retained earnings | 0 | 0 | (563) |
Other reserves | 4 | 3 | (17) |
Net result (before non-controlling interests) | € (156) | € (234) | € (331) |

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