XML 139 R123.htm IDEA: XBRL DOCUMENT
v3.22.4

Rights of Use - Narrative (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Business combinations | € 111 | € 8 |
Rights of use | 8,279 | 7,579 | € 4,982
Right-of-use assets, sale of disposal group |  | 2,500 |
Transfers and others | 20 | 48 |
Oi Group |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Business combinations | 105 |  |
Incremental Group Limited |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Business combinations | 1 |  |
BE-terna |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Business combinations | 5 |  |
Cancom Ltd. |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Business combinations |  | 8 |
Telefónica El Salvador |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Transfers and others |  | 36 |
Telefónica México |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Increase in amortization, right-of-use assets | € 17 | 40 |
Telxius Group |  |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |  |
Rights of use |  | 2,633 |
Right-of-use assets, sale of disposal group |  | € 133 |

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

X
- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_53_j&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_RightofuseAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Inclusion Of Companies, Right-Of-Use Assets + References No definition available. + Details
Name: | tef_InclusionOfCompaniesRightOfUseAssets
Namespace Prefix: | tef_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (decrease) in depreciation, right-of-use assets + References No definition available. + Details
Name: | tef_IncreaseDecreaseInDepreciationRightOfUseAssets
Namespace Prefix: | tef_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sale Of Disposal Groups, Right-Of-Use Assets + References No definition available. + Details
Name: | tef_SaleOfDisposalGroupsRightOfUseAssets
Namespace Prefix: | tef_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Transfers and others, right-of-use assets + References No definition available. + Details
Name: | tef_Transfersandothersrightofuseassets
Namespace Prefix: | tef_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=tef_OiGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=tef_IncrementalGroupLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=tef_BETernaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=tef_CancomLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=tef_TelefonicaMovilesElSalvadorS.A.deC.V.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=tef_TelefonicaMexicoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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