XML 258 R239.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Tax Matters - Tax Payables And Receivables Narrative (Details) - EUR (€) € in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Current income taxes payable | € 658 | € 769
Telefónica Peru |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |
Current income taxes payable | € 549 | € 660

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current Income Taxes Payable + References No definition available. + Details
Name: | tef_CurrentIncomeTaxesPayable
Namespace Prefix: | tef_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=tef_TelefonicaPeruMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |