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Cash Flow Detail - Investing Activities (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of geographical areas [line items] |  |  |
Proceeds from the sale in property, plant and equipment and intangible assets | € 842 | € 564 | € 509
Payments on investments in property, plant and equipment and intangible assets | (6,350) | (6,728) | (7,529)
(Payments on investments)/proceeds from the sale in property, plant and equipment and intangible assets | (5,508) | (6,164) | € (7,020)
Spectrum license payments | 27 | 999 |
Telefónica Móviles Argentina, S.A. Telecommunications service provider |  |  |
Disclosure of geographical areas [line items] |  |  |
Spectrum license payments | 11 |  |
Telefonica de Espana [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Spectrum license payments | € 8 |  |
Telefónica United Kingdom |  |  |
Disclosure of geographical areas [line items] |  |  |
Spectrum license payments |  | 521 |
Telefónica Spain |  |  |
Disclosure of geographical areas [line items] |  |  |
Spectrum license payments |  | 343 |
Telefonica Chile |  |  |
Disclosure of geographical areas [line items] |  |  |
Spectrum license payments |  | € 131 |

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- Definition The cash outflow for the purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets. [Refer: Intangible assets other than goodwill; Investment property; Other non-current assets; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Proceeds From Sales Of Property, Plant, And Equipment And Intangibles, Classified As Investing Activities + References No definition available. + Details
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