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Operations Classified as Held for Sale - Narrative (Details) € in Millions, $ in Millions | Jan. 13, 2022 USD ($) | Jan. 13, 2022 EUR (€) | Oct. 14, 2021
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Telefónica Centroamérica Inversiones ,S.L. | Telefónica, S.A. |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of voting rights held in subsidiary (as a percent) |  |  | 60.00%
Telefónica Centroamérica Inversiones ,S.L. | Corporacion Multi Inversiones, SA |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of voting rights held in subsidiary (as a percent) |  |  | 40.00%
Telefónica El Salvador | General International Telecom El Salvador, S.A. De C.V. | Telefónica Centroamérica Inversiones ,S.L. |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of voting equity transferred (as a percent) | 9930.00% | 9930.00% |
Consideration received | $ 139 | € 121 |

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- Definition The proportion of the voting rights in a subsidiary held by the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2022-03-24 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2022-03-24 + Details
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