XML 279 R260.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Cash Flow Detail - Operating Activities Narrative (Details) € in Millions, £ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 EUR (€) | Dec. 31, 2024 GBP (£) | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 GBP (£) | Dec. 31, 2023 EUR (€) | Dec. 31, 2022 GBP (£) | Dec. 31, 2022 EUR (€)
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |  |  |  |
Income taxes paid, classified as operating activities |  |  |  |  | € 198 |  |
Finance income received, classified as operating activities | € 211 |  |  |  | 285 |  |
VMO2 |  |  |  |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |  |  |  |
Dividends received from joint ventures, classified as investing activities |  | £ 425 | € 512 | £ 1,000 | € 1,154 | £ 800 | € 909

X
- Definition The cash inflow representing dividends received from joint ventures, classified as investing activities. [Refer: Total for all joint ventures [member]; Dividends received] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_16&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DividendsReceivedFromJointVenturesClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from finance income received, classified as operating activities. [Refer: Finance income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 31 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_31&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_FinanceIncomeReceivedClassifiedAsOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for income taxes paid, classified as operating activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2024-01-01 -Paragraph 35 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_35&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 04 -Paragraph a -Publisher SEC + Details
Name: | srt_CondensedCashFlowStatementsCaptionsLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_JointVenturesAxis=tef_VMEDO2UKLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |