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Provisions - Distribution by Segment of Restructuring Costs (Details) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of operating segments [line items] |  |
Restructuring costs | € 104 | € 1,538
Telefónica Spain | Operating segments |  |
Disclosure of operating segments [line items] |  |
Restructuring costs | 27 | 1,320
Telefónica Germany | Operating segments |  |
Disclosure of operating segments [line items] |  |
Restructuring costs | (1) | 11
Telefónica Hispam | Operating segments |  |
Disclosure of operating segments [line items] |  |
Restructuring costs | 61 | 128
Other companies | Operating segments |  |
Disclosure of operating segments [line items] |  |
Restructuring costs | € 17 | € 79

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- Definition The amount of provision for restructuring, such as the sale or termination of a line of business; closure of business locations in a country or region or relocation of activities from one country or region to another; changes in management structure; and fundamental reorganisations that have a material effect on the nature and focus of the entity's operations. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 70 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_70&doctype=Standard -URIDate 2024-03-27 + Details
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