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Payables and Other Non-current Liabilities - Non-Current Debt For Spectrum Acquisistion (Details) - EUR (€) € in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Trade And Other Payables [Line Items] |  |
Payables for spectrum acquisition | € 1,293 | € 1,361
Telefónica Spain |  |
Trade And Other Payables [Line Items] |  |
Payables for spectrum acquisition | 74 | 79
Colombia Telecomunicaciones, S.A., ESP |  |
Trade And Other Payables [Line Items] |  |
Payables for spectrum acquisition | 85 | 0
Telefónica Brazil |  |
Trade And Other Payables [Line Items] |  |
Payables for spectrum acquisition | 243 | 292
Telefónica Germany |  |
Trade And Other Payables [Line Items] |  |
Payables for spectrum acquisition | € 891 | € 990

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