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Cash Flow Detail - Financing Activities, Debt (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on issue of debentures and bonds and other debts | € 1,746 | € 561 | € 4,011
Proceeds on loans, borrowings and promissory notes | 839 | 3,085 | 4,516
Cancellation of debentures and bonds, and other debts | (3,541) | (5,847) | (6,728)
Repayments of loans, borrowings and promissory notes | (3,077) | (4,146) | (2,852)
Lease principal payments (Note 20) | (1,996) | (1,782) | (1,787)
Financed spectrum licenses payments | (549) | (57) | (60)
Payments for investments in spectrum use licenses financed without explicit interest (Notes 2 and 21) | (108) | (108) | (87)
Payments to suppliers with extended payment terms | (41) | (108) | (235)
Financed operating payments and investments in property, plant and equipment and intangible assets payments | (698) | (273) | (382)
Bilateral loans of Telefonica S.A. |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 150 | 200 | 350
Repayments of loans, borrowings and promissory notes | (117) | 0 | 0
Syndicated provision of 750 million euros by Telefónica Germany GmbH |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 0 | 750 | 0
Syndicated bilateral loan of Telxius Telecom, S.A. |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 100 | 0 | 0
Repayments of loans, borrowings and promissory notes | (70) | 0 | 0
Telefónica Brazil |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 199 | 0 | 0
Syndicated provision of Bluevia Fibra S.L.U. |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 245 | 0 | 0
Debt hedging derivatives |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 89 | 0 | 1,119
Repayments of loans, borrowings and promissory notes | (715) | (34) | (139)
Disposal bilateral loans and syndicated loan of Colombia Telecomunicaciones, S.A, ESP BIC |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 0 | 0 | 436
Others |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on loans, borrowings and promissory notes | 56 | 2,135 | 2,611
Repayments of loans, borrowings and promissory notes | (2,175) | (3,162) | (2,713)
Syndicated amortization by Telefónica, S.A. |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Repayments of loans, borrowings and promissory notes | 0 | (750) | 0
Syndicated amortization by Colombia Telecomunicaciones, S.A. ESP BIC |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Repayments of loans, borrowings and promissory notes | 0 | (200) | 0
Telefonica Emisiones EMTN Bond |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on issue of debentures and bonds and other debts | 1,100 | 0 | 3,500
Telefónica Emisiones, S.A.U. |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on issue of debentures and bonds and other debts | 0 | 535 | 0
Colombia Telecomunicaciones S.A. E.S.P. |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on issue of debentures and bonds and other debts | 0 | 0 | 408
Others |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on issue of debentures and bonds and other debts | 18 | 26 | 103
Telefónica Brazil |  |  |
Disclosure of fair value measurement of equity [line items] |  |  |
Proceeds on issue of debentures and bonds and other debts | € 628 | € 0 | € 0

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