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Other Current Financial Assets - Summary (Details) € in Millions, R$ in Millions | Dec. 31, 2022 EUR (€) | Dec. 31, 2022 BRL (R$) | Dec. 31, 2021 EUR (€)
--- | --- | --- | ---
Disclosure of financial assets [line items] |  |  |
Other current financial assets | € 2,444 |  | € 3,835
Short-term credits |  |  |
Disclosure of financial assets [line items] |  |  |
Other current financial assets | 128 |  | 1,306
Short-term deposits and guarantees |  |  |
Disclosure of financial assets [line items] |  |  |
Other current financial assets | 439 |  | 760
Short-term deposits and guarantees | Telefónica Brasil, Claro S.A. And TIM S.A. |  |  |
Disclosure of financial assets [line items] |  |  |
Other current financial assets | 94 | R$ 522 |
Short-term derivative financial assets (Note 19) |  |  |
Disclosure of financial assets [line items] |  |  |
Other current financial assets | 712 |  | 995
Other current financial assets |  |  |
Disclosure of financial assets [line items] |  |  |
Other current financial assets | € 1,165 |  | € 774

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