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Derivative Financial Instruments and Risk Management Policies - Country Risk (Details) € in Millions | 12 Months Ended
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Dec. 31, 2022 EUR (€)
Disclosure of financial liabilities [line items] |
Borrowings | € 26,687
Proportion of net financial debt held (as a percent) | 9.20%
Net repatriation of funds from dividends received | € 652
Telefonica Hispanoamerica |
Disclosure of financial liabilities [line items] |
Borrowings | 2,462
Net repatriation of funds to Spain | € 693

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