XML 141 R122.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Goodwill - After-Tax Discount Rates Applied to the Cash Flow Projections (Details) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Telefónica Spain |  |
Disclosure of detailed information about intangible assets [line items] |  |
Before-tax discount rates applied to cash flow projections (as a percent) | 8.60% | 9.10%
After-tax discount rates applied to cash flow projections (as a percent) | 6.60% | 7.00%
Telefónica Brazil |  |
Disclosure of detailed information about intangible assets [line items] |  |
Before-tax discount rates applied to cash flow projections (as a percent) | 13.90% | 14.80%
After-tax discount rates applied to cash flow projections (as a percent) | 11.50% | 12.00%
Telefónica Germany |  |
Disclosure of detailed information about intangible assets [line items] |  |
Before-tax discount rates applied to cash flow projections (as a percent) | 8.00% | 8.40%
After-tax discount rates applied to cash flow projections (as a percent) | 5.50% | 5.80%

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2024-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2024-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | instant

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_DisclosureOfIntangibleAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount Rate Applied To Cash Flow Projections, Before Tax + References No definition available. + Details
Name: | tef_DiscountRateAppliedToCashFlowProjectionsBeforeTax
Namespace Prefix: | tef_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_SegmentsAxis=tef_TelefonicaSpainMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tef_TelefonicaBrazilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tef_TelefonicaGermanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |