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Lease Liabilities - Narrative (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of finance lease and operating lease by lessee [Line Items] |  |  |
Additions related to fixed asset sale and leaseback transactions | € 12 | € 21 |
Capital gains arising from sale and leaseback transactions | 17 | 105 | € 381
Telefónica Germany |  |  |
Disclosure of finance lease and operating lease by lessee [Line Items] |  |  |
Lease liabilities not yet commenced | € 2,606 | € 1,117 |

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- Definition The gains (losses) arising from sale and leaseback transactions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2024-01-01 -Paragraph 53 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_53_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Additions to Lease Liabilities related to Fixed Asset Sale and Leaseback Transaction + References No definition available. + Details
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- Definition [Line Items] for Disclosure of finance lease and operating lease by lessee [Table] + References No definition available. + Details
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- Definition Exposure Arising From Leases Not Yet Commenced To Which Lessee Is Committed + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Period Type: |