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Provisions - Provisions Brazil Narrative (Details) € in Millions, R$ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 EUR (€) | Dec. 31, 2024 BRL (R$) | Dec. 31, 2023 EUR (€) | Dec. 31, 2022 EUR (€) | Dec. 31, 2024 BRL (R$) | Dec. 31, 2023 BRL (R$)
Disclosure of other provisions [line items] |  |  |  |  |  |
Other provisions | € 2,189 |  | € 2,574 |  |  |
Other expenses | 12,554 |  | 10,298 | € 10,741 |  |
Finance income | 980 |  | 1,099 | € 1,803 |  |
Regulatory proceedings |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |
Other provisions | 476 |  | 1,264 |  | R$ 3,067 | R$ 6,765
Civil Proceedings |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |
Estimated financial effect of contingent liabilities | 311 |  | 398 |  |  |
Brazil |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |
Other provisions | 877 |  | 1,229 |  |  |
Brazil | Tax contingent liability |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |
Estimated financial effect of contingent liabilities | 6,347 |  | 6,909 |  | 40,850 | 36,963
Brazil | Regulatory proceedings |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |
Other provisions | 179 |  | 329 |  | R$ 1,151 | R$ 1,761
Unused provision reversed, other provisions | 137 | R$ 792 |  |  |  |
Other expenses | 67 | 386 |  |  |  |
Finance income | 70 | R$ 406 |  |  |  |
Brazil | Vivo | Goodwill amortized for tax |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |
Other provisions | € 167 |  | € 187 |  |  |

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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 84 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_d&doctype=Standard -URIDate 2024-03-27 + Details
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