XML 168 R152.htm IDEA: XBRL DOCUMENT
v3.22.4

Equity - Translation Differences (Details) - EUR (€) € in Millions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 01, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of reserves within equity [line items] |  |  |  |
Accumulated contribution of translation differences |  | € (20,723) | € (21,892) | € (25,980)
Telxius Towers |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Foreign exchange loss |  | 37 |  |
Telefónica de Costa Rica TC, S.A. |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Foreign exchange loss |  | 21 |  |
VMO2 |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Foreign exchange loss | € 3,135 |  |  |
Brazilian real |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Accumulated contribution of translation differences |  | (14,031) | (15,292) | (15,365)
Pound sterling |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Accumulated contribution of translation differences |  | (322) | 309 | (3,344)
Venezuelan bolivar |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Accumulated contribution of translation differences |  | (3,734) | (3,755) | (3,754)
Argentine peso |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Accumulated contribution of translation differences |  | (1,364) | (1,702) | (2,178)
Other currencies |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Accumulated contribution of translation differences |  | € (1,272) | € (1,452) | € (1,339)

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

X
- Definition The gross loss arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2022-03-24 -Paragraph 52 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2022-en-r&anchor=para_52_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 35 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_35&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ForeignExchangeLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2022-03-24 -Paragraph 52 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2022-en-r&anchor=para_52_b&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_ReserveOfExchangeDifferencesOnTranslation
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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

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

X
- Details
Name: | srt_CurrencyAxis=currency_BRL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_GBP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_VES
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_ARS
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=tef_OtherCurrenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |