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Cash Flow Detail - Financing Activities, Dividends and Shares (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Dividends [Line Items] |  |  |
Dividends paid | € (1,397) | € (3,630) | € (1,296)
Proceeds from share capital increase with minority interest | 1,022 | 0 | 323
(Payments)/proceeds of treasury shares and other operations with shareholders and with minority interests | (555) | (604) | (223)
Operations with other equity holders | (268) | (354) | (1,020)
Undated deeply subordinated securities |  |  |
Dividends [Line Items] |  |  |
Operations with other equity holders | 750 | 1,750 | 500
Acquisition of undated deeply subordinated securities (Note 17) | (750) | (1,750) | (385)
Payments for equity | 0 | 0 | (808)
Coupon related to undated deeply subordinated securities |  |  |
Dividends [Line Items] |  |  |
Payments for equity | (268) | (354) | (327)
Telefonica Moviles Guatemala & Telefonica Celular de Nicaragua & Telefonica Moviles Panama |  |  |
Dividends [Line Items] |  |  |
(Payments)/proceeds of treasury shares and other operations with shareholders and with minority interests | (44) | 0 | 0
Dividends paid by Telefonica, S.A. |  |  |
Dividends [Line Items] |  |  |
Dividends paid | (959) | (617) | (825)
Non-controlling interests in Telefonica Brasil, S.A. |  |  |
Dividends [Line Items] |  |  |
Dividends paid | (268) | (198) | (227)
Non-controlling interests of Telefonica Deutschland |  |  |
Dividends [Line Items] |  |  |
Dividends paid | (161) | (165) | (156)
Noncontrolling interest of Telefonica Centroamerica |  |  |
Dividends [Line Items] |  |  |
Dividends paid | 0 | 0 | (39)
Payments to non-controlling interests of Telxius for the sale of the telecommunications tower divisions (see Note 17.h) |  |  |
Dividends [Line Items] |  |  |
Dividends paid | 0 | (2,603) | 0
Payments to non-controlling interests of Telxius Telecom, S.A. |  |  |
Dividends [Line Items] |  |  |
Dividends paid | 0 | (42) | (44)
Others |  |  |
Dividends [Line Items] |  |  |
Dividends paid | (9) | (5) | (5)
Share capital increase Pontel and Telxius (see Note 17.h) |  |  |
Dividends [Line Items] |  |  |
Proceeds from share capital increase with minority interest | 0 | 0 | 323
Telefónica Brasil, S.A. |  |  |
Dividends [Line Items] |  |  |
(Payments)/proceeds of treasury shares and other operations with shareholders and with minority interests | (111) | (78) | 0
Telefonica Deutschland Holding A.G. |  |  |
Dividends [Line Items] |  |  |
(Payments)/proceeds of treasury shares and other operations with shareholders and with minority interests | (48) | (51) | 0
Telefonica, S.A. |  |  |
Dividends [Line Items] |  |  |
(Payments)/proceeds of treasury shares and other operations with shareholders and with minority interests | (365) | (478) | (217)
Telefónica Hispam Norte |  |  |
Dividends [Line Items] |  |  |
(Payments)/proceeds of treasury shares and other operations with shareholders and with minority interests | 13 | 3 | (6)
Others |  |  |
Dividends [Line Items] |  |  |
Proceeds from share capital increase with minority interest | 1 | 0 | 0
Bluevia Fibra, S.L.U. |  |  |
Dividends [Line Items] |  |  |
Proceeds from share capital increase with minority interest | € 1,021 | € 0 | € 0

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